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NCERT exemplar Class 10 Science solutions chapter 6 is an extension of the first chapter of Biology in Class 9. In this chapter, various life processes such as the digestive system and respiratory system are discussed. The NCERT exemplar Class 10 Science chapter 6 solutions are a rich source of detailed explanations by a highly experienced subject matter experts team. These NCERT exemplar Class 10 Science chapter 6 solutions give an extra edge to the students while attempting the problems given in NCERT Class 10 Science Book. It helps them resolve their queries. The CBSE syllabus for Class 10 chapter 6 is the connecting source for NCERT exemplar Class 10 Science solutions.
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Question:1
Which of the following statements about the autotrophs is incorrect?
(a) They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll
(b) They store carbohydrates in the form of starch
(c) They convert carbon dioxide and water into carbohydrates in the absence of sunlight
(d) They constitute the first tropic level in food chains
Answer:C
Autotrophs can convert CO2 and H2O into carbohydrates only in the presence of sunlight. Autotrophs have chlorophyll which takes sunlight and breaks water into hydrogen and oxygen and converts CO2 into carbohydrates but happens only in the presence of sunlight.Question:2
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
(a) Mushroom, green plants, Amoeba
(b) Yeast, mushroom, bread mould
(c) Paramecium, Amoeba, Cuscuta
(d) Cuscuta, lice, tapeworm
Answer: (b)
Yeast, mushroom and bread mould are saprophytes. They break down and convert complex organic molecules present in dead and decaying matter into simpler substances outside their body. These simpler substances are then absorbed by them. This is known as saprotrophic nutrition.Question:3
Select the correct statement
(a) Heterotrophs do not synthesise their own food
(b) Heterotrophs utilise solar energy for photosynthesis
(c) Heterotrophs synthesise their own food
(d) Heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Answer:(a)
Heterotrophs are those organisms which cannot make their own food from inorganic substance like CO2 and water. They depend on autotrophs.Question:4
Which is the correct sequence of parts in human alimentary canal?
(a) Mouth stomach
small intestine
oesophagus
large intestine
(b) Mouth oesophagus
stomach
large intestine
small intestine
(c) Mouth stomach
oesophagus
small intestine
large intestine
(d) Mouth oesophagus
stomach
small intestine
large intestine
Answer:(d)
The food enters trough mouth then passes to the stomach via Oesophagus then to the small intestine and then to the large intestine.Question:5
If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?
(a) Proteins breaking down into amino acids
(b) Starch breaking down into sugars
(c) Fats breaking down into fatty acids and glycerol
(d) Absorption of vitamins
Answer:(b)
Salivary amylase is an enzyme which breaks down starch present in the food in the mouth. If this is absent, it will affect the breakdown of starch.Question:6
The inner lining of stomach is protected by one of the following from hydrochloric acid. Choose the correct one
(a) Pepsin
(b) Mucus
(c) Salivary amylase
(d) Bile
Answer:(b)
Pepsin is a stomach enzyme that serves to digest proteins found in ingested food.Question:7
Which part of alimentary canal receives bile from the liver?
(a) Stomach
(b) Small intestine
(c) Large intestine
(d) Oesophagus
Answer: (b)
Bile is a liquid that is made and delivered by the liver and put away in the gallbladder.Question:8
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains
(a) complex proteins
(b) simple proteins
(c) fats
(d) starch
Answer:(d)
Starch solution on addition of iodine turns blue-black in colour and this test is used as conformation test for iodine.Question:9
In which part of the alimentary canal food is finally digested?
(a) Stomach
(b) Mouth cavity
(c) Large intestine
(d) Small intestine
Answer:(d)
The food is finally digested in the small intestine due to microvilli which increases the surface area and has a lot of blood vessels which absorbs food and delivers to all the other parts of the body.Question:10
Choose the function of the pancreatic juice from the following
(a) trypsin digests proteins and lipase carbohydrates
(b) trypsin digests emulsified fats and lipase proteins
(c) trypsin and lipase digest fats
(d) trypsin digests proteins and lipase emulsified fats
Answer: (d)
The pancreas secretes pancreatic juice which contains:Question:11
When air is blown from mouth into a test-tube containing lime water, the lime water turned milky due to the presence of
(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) water vapour
Answer:(b)
Carbon dioxide turns lime water milky and this is a conformation test for the presence of Carbon dioxide.Question:12
The correct sequence of anaerobic reactions in yeast is
(a) Glucose Pyruvate
Ethanol + Carbon dioxide
(b) Glucose Pyruvate
Lactic acid
(c) Glucose Pyruvate
Lactic acid
(d) Glucose Pyruvate
Ethanol + Carbon dioxide
Answer:(d)
Anaerobic respiration occurs in the absence of oxygen. It is carried out by yeast and some bacteria.Question:13
Which of the following is most appropriate for aerobic respiration?
(a) Glucose Pyruvate
(b) Glucose Pyruvate
(c) Glucose Pyruvate + Energy
(d) Glucose Pyruvate + Energy
Answer: (b)
Aerobic respiration uses oxygen for respiration. It takes place in the mitochondria. After glycolysis, pyruvate (from the cytoplasm) enters mitochondria and is oxidized in a series of reaction to formQuestion:14
Which of the following statement(s) is (are) true about respiration?
(i) During inhalation, ribs move inward and diaphragm is raised
(ii) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air
(iii) Haemoglobin has greater affinity for carbon dioxide than oxygen
(iv) Alveoli increase surface area for exchange of gases
(a) (i) and (iv) (b) (ii) and (iii)
(c) (i) and (iii) (d) (ii) and (iv)
Answer:(d)
During inhalation, diaphragm pulls downward which induces the lower ribs to move upward and forward. Hence the given statement is false. The alveoli are the place where the lungs and the blood trade oxygen and carbon dioxide during the way toward breathing in and breathing out. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air. This statement is true.Question:15
Which is the correct sequence of air passage during inhalation?
(a) Nostrils larynx
pharynx
trachea
lungs
(b) Nasal passage trachea
pharynx
larynx
alveoli
(c) larynx nostrils
pharynx
lungs
(d) Nostrils pharynx
larynx
trachea
alveoli
Answer:(d)
Air is drawn into our body through the nostrils, then it goes into nasal passage from there it enters pharynx then to larynx to trachea to finally alveoli where the final oxygen and carbon dioxide are exchanged.Question:16
During respiration exchange of gases take place in
(a) trachea and larynx
(b) alveoli of lungs
(c) alveoli and throat
(d) throat and larynx
Answer:(b)
Alveoli is the place where the exchange of carbon dioxide and oxygen takes place.Question:17
Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of body while right atrium receives deoxygenated blood from lungs
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body
(a) (i)
(b) (ii)
(c) (ii) and (iv)
(d) (i) and (iii)
Question:18
What prevents back flow of blood inside the heart during contraction?
(a) Valves in heart
(b) Thick muscular walls of ventricles
(c) Thin walls of atria
(d) All of the above
Answer:(a)
Valves ensure there is no backflow of blood inside the heart during contraction they close and separate oxygenated and deoxygenated blood from mixing.Question:19
Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by
(a) Labeo, Chameleon, Salamander
(b) Hippocampus, Exocoetus, Anabas
(c) Hyla, Rana, Draco
(d) Whale, Dolphin, Turtle
Answer:(b)
Animal group Heart ExamplesQuestion:20
In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
(a) Pisces and amphibians
(b) Amphibians and reptiles
(c) Amphibians only
(d) Pisces only
Answer:(d)
Fishes have a single closed circulatory system. In this, blood is contained inside blood vessels and circulates in a single direction. Blood flows from the heart around the systemic circulatory route, then returns to the heart again.Question:21
Choose the correct statement that describes arteries.
(a) They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart
(b) They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body
(c) They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body
(d) They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.
Answer: (d)
Arteries are the vessels which carry blood away from the heart to various organs of body. As the blood flows away from heart with very high-pressure, arteries have thick walls.Question:22
The filtration units of kidneys are called
(a) ureter
(b) urethra
(c) neurons
(d) nephrons
Answer:.(d)
Nephrons are the structural unit of kidneys. It is the structural unit of a kidney.Question:23
Oxygen liberated during photosynthesis comes from
(a) water
(b) chlorophyll
(c) carbon dioxide
(d) glucose
Answer:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.Question:24
The blood leaving the tissues becomes richer in
(a) carbon dioxide
(b) water
(c) heamoglobin
(d) oxygen
Answer:
Blood leaving the tissue is enriched with carbon dioxide. The aorta carries oxygenated blood from the heart to the organs. When this blood passes through the capillaries of body organs, it gives oxygen to the body cells.Question:25
Which of the following is an incorrect statement?
(a) Organisms grow with time
(b) Organisms must repair and maintain their structure
(c) Movement of molecules does not take place among cells
(d) Energy is essential for life processes
Answer:
Organisms grow with time - trueQuestion:26
The internal (cellular) energy reserve in autotrophs is
(a) glycogen
(b) protein
(c) starch
(d) fatty acid
Answer:C
Autotrophs comprise of green plants that photosynthesize their own food. In autotrophs the energy reserve is stored in the form of starch but in heterotrophs food is stored in the form of glycogen.Question:27
Which of the following equations is the summary of photosynthesis?
(a)
(b)
(c)
(d)
Answer: (c)
Photosynthesis is a multi-step process that requires sunlight, carbon dioxide, and water as substrates.Question:28
Choose the event that does not occur in photosynthesis
(a) Absorption of light energy by chlorophyll
(b) Reduction of carbon dioxide to carbohydrates
(c) Oxidation of carbon to carbon dioxide
(d) Conversion of light energy to chemical energy
Answer: (c)
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Carbon dioxide is used in photosynthesis for the production of food.Question:29
The opening and closing of the stomatal pore depends upon
(a) oxygen
(b) temperature
(c) water in guard cells
(d) concentration of in stomata
Answer:
Closing and opening of guard cells depends on the water content in the cells. If there is water in the cells the pores get opened and if there is less water, the cell shrinks and the pore gets closed.Question:30
Choose the forms in which most plants absorb nitrogen
(i) Proteins
(ii) Nitrates and Nitrites
(iii) Urea
(iv) Atmospheric nitrogen
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)
Answer:(b)
Nitrogen is essential element to form proteins and it is observed in the form of nitrates, nitrites and urea. Sometimes we add urea in the soil and plants have adopted a lot to overcome nitrogen deficiency, for example, Carnivorous plants.Question:31
Which is the first enzyme to mix with food in the digestive tract?
(a) Pepsin
(b) Cellulase
(c) Amylase
(d) Trypsin
Answer:(c)
Salivary amylase is the first enzyme which is present in the saliva which gets mixed with the food in the mouth which starts breaking the starch in the food.Question:32
Which of the following statement(s) is (are) correct?
(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) Fermentation takes place in aerobic bacteria
(iii) Fermentation takes place in mitochondria
(iv) Fermentation is a form of anaerobic respiration
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)
Answer:(c)
Fermentation is a form of anaerobic respiration. Pyruvate can be converted into ethanol and CO2 in yeast during fermentation. Since this process takes place in the absence of air (Oxygen), it is called anaerobic respiration.Question:33
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to
(a) conversion of pyruvate to ethanol
(b) conversion of pyruvate to glucose
(c) non conversion of glucose to pyruvate
(d) conversion of pyruvate to lactic acid
Answer:d
Question:34
Choose the correct path of urine in our body
(a) kidney ureter
urethra
urinary bladder
(b) kidney urinary bladder
urethra
ureter
(c) kidney ureters
urinary bladder
urethra
(d) urinary bladder kidney
ureter
urethra
Answer:C
The urine formed in each kidney eventually enters a long tube ureter which connects kidney with urinary bladder. Urine is stored in urinary bladder which passes out through urethra.Question:35
During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the
(a) cytoplasm
(b) chloroplast
(c) mitochondria
(d) golgi body
Answer:
The pyruvate formed from glycolysis goes into the Kreb's cycle as acetyl co-enzyme and creates a pool of chemical energy (ATP, NADH and FADH2). One of the substitute destinies of pyruvic acid in cellular respiration is that it can be changed over into lactic acid. This regularly happens in the cytoplasm of solid tissue under exhausting condition. Hence Pyruvic acid is converted into lactic acid in the cytoplasm of muscle cells during deficiency of oxygen in human beings.Name the following
(a) The process in plants that links light energy with chemical energy
(b) Organisms that can prepare their own food
(c) The cell organelle where photosynthesis occurs
(d) Cells that surround a stomatal pore
(e) Organisms that cannot prepare their own food
(f) An enzyme secreted from gastric glands in stomach that acts on proteins.
Answer:
a) Photosynthesis: the process using which green plants transform light energy into chemical energyQuestion:37
Answer:
“All plants give out oxygen during day and carbon dioxide during night”Question:38
How do the guard cells regulate opening and closing of stomatal pores?
Answer:
Guard cells regulate the opening and closing of the stomatal pores by swelling and shrinking normally. Guard cells will swell by absorbing water and opens the pores and by shrinking the guard cells will close the pores. When guard cells are turgid, stomatal pore is open while in flaccid conditions, the stomatal aperture closes.
Question:39
Answer:
The plant placed in the dark will die as it cannot perform photosynthesis and within a few time, the whole chamber will be filled with carbon dioxide. On the other hand the plant in the open sunlight will perform photosynthesis (and produces oxygen required for its respiration) and this plant lives for a longer duration.Question:40
Answer:
Photosynthesis and respiration are two independent processes.Question:41
Why do fishes die when taken out of water?
Answer:
Respiration in fishes takes place using gills.Question:42
Differentiate between an autotroph and a heterotroph.
Answer:
Autotrophs HeterotrophsQuestion:43
Is ‘nutrition’ a necessity for an organism? Discuss.
Answer:
Yes, all living organisms need nutrition as it provides the energy required for all the metabolic processes in a living organism.Question:44
What would happen if green plants disappear from earth?
Answer:
Green plants are predominant autotrophs which provide food for all the heterotrophs on this planet. These organisms occupy the first trophic level in the food chain and serve as source of food and energy for all other organisms of higher trophic levels (heterotrophs). They also balance the carbon dioxide and oxygen levels in the atmosphere so if green plants disappear then the life on this planet will cease to exist.Question:45
Answer:
When the leaves of a healthy plant are coated with vaseline it will block the stomatal pores. This will not allow the oxygen and carbon dioxide exchange so the plant will not live healthy for a long time. Plant will not be able to take in oxygen for respiration and carbon dioxide for photosynthesis.Question:47
Match the words of Column (A) with that of Column (B)
Column (A) Column (B)
(a) Phloem (i) Excretion
(b) Nephron (ii) Translocation of food
(c) Veins (iii) Clotting of blood
(d) Platelets (iv) Deoxygenated blood
Answer:
(a) Phloem: Translocation of foodQuestion:49
What are the adaptations of leaf for photosynthesis?
Answer:
Adaptation of leaves:Question:50
Why is small intestine in herbivores longer than in carnivores?
Answer:
Herbivores get their nourishment from plants which thus makes cellulose main component of their diet Herbivorous animals which eat grass need longer intestine to absorb the cellulose in the food whereas meat-eating animals can digest as there is no cellulose to digest.Question:51
What will happen if mucus is not secreted by the gastric glands?
Answer:
Gastric juice is produced by the gastric glands of stomach. It contains pepsinogen, HCl, and mucus. HCl imparts highly acidic pH to stomach which thus bolsters transformation of idle pepsinogen into dynamic pepsin.Question:52
What is the significance of emulsification of fats?
Answer:
Emulsification refers to the breakdown of fat globules in the duodenum into tiny droplets. This provides a larger surface area on which the enzyme pancreatic lipase can act to digest the fats into fatty acids and glycerol. Hence, it facilitates digestion of fats.
Question:53
What causes movement of food inside the alimentary canal?
Answer:
Peristalsis causes movement of food inside the alimentary canal.Question:54
Why does absorption of digested food occur mainly in the small intestine?
Answer:
Digestion of food takes place in the small intestine because it has small projections on the surface called as villi which increases the surface area. The small intestine is richly supplied with blood vessels which takes the absorbed food to all the cells of the body.Question:55
Match Group (A) with Group (B)
Group (A) Group (B)
(a) Autotrophic nutrition (i) Leech
(b) Heterotrophic nutrition (ii) Paramecium
(c) Parasitic nutrition (iii) Deer
(d) Digestion in food vacuoles (iv) Green plant
Answer:
Question:56
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Answer:
Fishes absorb dissolved oxygen from water through gills. As the amount of dissolved oxygen in water is low and to compensate that low oxygen, the organisms has faster breathing rate as compared to that of terrestrial organisms.Question:57
Why is blood circulation in human heart called double circulation?
Answer:
In humans, blood passes through the heart twice during one complete cardiac cycle of the body. Once through the right ventricle to the left auricle of the heart, called pulmonary circulation. Second through the left ventricle to right auricle of the heart through body tissues, called systemic circulation.Question:58
What is the advantage of having four chambered heart?
Answer:
Four chambers of heart are as follows:Question:59
Mention the major events during photosynthesis
Answer:
Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy.Question:60
In each of the following situations what happens to the rate of photosynthesis?
(a) Cloudy days
(b) No rainfall in the area
(c) Good manuring in the area
(d) Stomata get blocked due to dust
Answer:
Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy.Question:61
Name the energy currency in the living organisms. When and where is it produced?
Answer:
Energy currency of living organisms is ATP (Adenosine triphosphate).Question:62
What is common for cuscuta, ticks and leeches?
Answer:
Cuscuta, ticks and leeches all are parasites with parasitic mode of nutrition where the organism absorbs food from the host without giving any benefit to the host. Parasites are harmful to host organism.Question:63
Explain the role of mouth in digestion of food.
Answer:
Role of mouth in digestion of foodQuestion:65
Match the terms in Column (A) with those in Column (B)
Column (A) Column (B)
(a) Trypsin (i) Pancreas
(b) Amylase (ii) Liver
(c) Bile (iii) Gastric glands
(d) Pepsin (iv) Saliva
Answer:
Question:66
Name the correct substrates for the following enzymes
(a) Trypsin
(b) Amylase
(c) Pepsin
(d) Lipase
Answer:
Question:67
Why do veins have thin walls as compared to arteries?
Answer:
Blood emerges from heart with a high pressure. Arteries are thick walled because they are responsible to carry high pressure blood to other body organs.Question:68
What will happen if platelets were absent in the blood?
Answer:
Main objective of platelets is to form a blood clot in case of an injury. In the absence of platelets, the process of clotting will not take place which will lead to blood loss. Excessive loss of blood might be fatal in many cases.Question:69
Plants have low energy needs as compared to animals. Explain.
Answer:
All the movements in plants are cellular. Plants do not move physically as humans or animals. Sclerenchyma is the tissue which makes the plant hard and stiff. It is known as a supporting tissue. They provide strength to the plant making energy requirements low for the plant.Question:70
Why and how does water enter continuously into the root xylem?
Answer:
Water is required by plants for photosynthesis. Transpiration is the process of water movement through a plant and its evaporation.Question:71
Why is transpiration important for plants?
Answer:
Transpiration is the process of water movement through a plant and its evaporation.
Question:72
How do leaves of plants help in excretion?
Answer:
1) Stomata are the tiny openings present on the epidermis of leaves. Gaseous waste of respiration and photosynthesis are removed through stomata.Question:73
Explain the process of nutrition in Amoeba.
Answer:
Question:74
Describe the alimentary canal of man.
Answer:
Alimentary canal of man: It measures about 8 to 10 meters starting from mouth and extends till anus.Question:75
Explain the process of breathing in man.
Answer:
Inspiration: When we breathe in, diaphragm contracts and lungs expands. When air is sucked in from the outside into the lungs, lungs get filled with air.Question:76
Explain the importance of soil for plant growth.
Answer:
Importance of soil for plant growth.Question:78
How do carbohydrates, proteins and fats get digested in human beings?
Answer:
Digestion of carbohydrates:Question:79
Explain the mechanism of photosynthesis.
Answer:
The process in which green plants convert carbon dioxide and water into glucose in the presence of chlorophyll and sunlight is called photosynthesis.Question:80
Explain the three pathways of breakdown in living organisms.
Answer:
Glucose is a 6-carbon molecule, while pyruvate is a 3-carbon molecule. In all organisms, glucose is first converted into pyruvate in the cytoplasm.Question:81
Describe the flow of blood through the heart of human beings.
Answer:
Flow of blood through heart:Question:82
Describe the process of urine formation in kidneys.
The below-mentioned topics are covered in NCERT exemplar Class 10 Science solutions chapter 6:
These Class 10 Science NCERT exemplar chapter 6 solutions are an extension to the understanding of life processes which was studied in Class 9.
These solutions are available to use as supporting material as well as practice content for students while they go through the Life Processes-based practice problems.
The Class 10 Science NCERT exemplar solutions chapter 6 Life Processes is adequate to try and solve books such as NCERT Class 10 Science, Biology question bank etcetera.
NCERT exemplar Class 10 Science solutions chapter 6 pdf download will be provided shortly as a unique feature for the solutions of NCERT exemplar Class 10 Science chapter 6 where students will be able to check the solutions in an offline mode too.
Check NCERT Solutions for questions given in the book
Chapter No. | Chapter Name |
Chapter 1 | Chemical Reactions and Equations |
Chapter 2 | Acids, Bases, and Salts |
Chapter 3 | Metals and Non-metals |
Chapter 4 | Carbon and its Compounds |
Chapter 5 | Periodic Classification of Elements |
Chapter 6 | Life Processes |
Chapter 7 | Control and Coordination |
Chapter 8 | How do Organisms Reproduce? |
Chapter 9 | Heredity and Evolution |
Chapter 10 | Light Reflection and Refraction |
Chapter 11 | The Human Eye and The Colorful World |
Chapter 12 | Electricity |
Chapter 13 | Magnetic Effects of Electric Current |
Chapter 14 | Sources of Energy |
Chapter 15 | Our Environment |
Chapter 16 | Sustainable Management of Natural Resources |
Must check NCERT Solution Subject Wise
Read more NCERT Notes Subject Wise
A1. Carbohydrates are sugar and they are a source of energy in living beings. They are generally found in foods like vegetables, fruits, and milk products.
A2. Yes, Fibre is a complex structured carbohydrate. It is one of the forms of carbohydrates other than sugar and starch.
A3. The heart valve prevents the backward flow of blood when the heart contracts.
A4. Approximately 8-10 % marks of the whole paper are accounted for from the chapter Life Processes. NCERT exemplar Class 10 Science solutions chapter 6 are prepared accordingly to aid the students score high marks in this chapter.
A5. Exocoetus is a kind of fish that is also known as flying fish.
A6. There are four chambers in the human heart and they are named as:
Atria - 2 upper chamber
Ventricle- 2 lower chamber
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Application Date:20 November,2023 - 19 December,2023
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A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.
The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.
Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.
Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.
The role of geotechnical engineer starts with reviewing the projects needed to define the required material properties. The work responsibilities are followed by a site investigation of rock, soil, fault distribution and bedrock properties on and below an area of interest. The investigation is aimed to improve the ground engineering design and determine their engineering properties that include how they will interact with, on or in a proposed construction.
The role of geotechnical engineer in mining includes designing and determining the type of foundations, earthworks, and or pavement subgrades required for the intended man-made structures to be made. Geotechnical engineering jobs are involved in earthen and concrete dam construction projects, working under a range of normal and extreme loading conditions.
A career as a Finance Executive requires one to be responsible for monitoring an organisation's income, investments and expenses to create and evaluate financial reports. His or her role involves performing audits, invoices, and budget preparations. He or she manages accounting activities, bank reconciliations, and payable and receivable accounts.
An Investment Banking career involves the invention and generation of capital for other organizations, governments, and other entities. Individuals who opt for a career as Investment Bankers are the head of a team dedicated to raising capital by issuing bonds. Investment bankers are termed as the experts who have their fingers on the pulse of the current financial and investing climate. Students can pursue various Investment Banker courses, such as Banking and Insurance, and Economics to opt for an Investment Banking career path.
Bank Branch Managers work in a specific section of banking related to the invention and generation of capital for other organisations, governments, and other entities. Bank Branch Managers work for the organisations and underwrite new debts and equity securities for all type of companies, aid in the sale of securities, as well as help to facilitate mergers and acquisitions, reorganisations, and broker trades for both institutions and private investors.
Treasury analyst career path is often regarded as certified treasury specialist in some business situations, is a finance expert who specifically manages a company or organisation's long-term and short-term financial targets. Treasurer synonym could be a financial officer, which is one of the reputed positions in the corporate world. In a large company, the corporate treasury jobs hold power over the financial decision-making of the total investment and development strategy of the organisation.
A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.
An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.
A career as Bank Probationary Officer (PO) is seen as a promising career opportunity and a white-collar career. Each year aspirants take the Bank PO exam. This career provides plenty of career development and opportunities for a successful banking future. If you have more questions about a career as Bank Probationary Officer (PO), what is probationary officer or how to become a Bank Probationary Officer (PO) then you can read the article and clear all your doubts.
Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.
A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.
A Conservation Architect is a professional responsible for conserving and restoring buildings or monuments having a historic value. He or she applies techniques to document and stabilise the object’s state without any further damage. A Conservation Architect restores the monuments and heritage buildings to bring them back to their original state.
A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.
A Team Leader is a professional responsible for guiding, monitoring and leading the entire group. He or she is responsible for motivating team members by providing a pleasant work environment to them and inspiring positive communication. A Team Leader contributes to the achievement of the organisation’s goals. He or she improves the confidence, product knowledge and communication skills of the team members and empowers them.
A Structural Engineer designs buildings, bridges, and other related structures. He or she analyzes the structures and makes sure the structures are strong enough to be used by the people. A career as a Structural Engineer requires working in the construction process. It comes under the civil engineering discipline. A Structure Engineer creates structural models with the help of computer-aided design software.
Individuals in the architecture career are the building designers who plan the whole construction keeping the safety and requirements of the people. Individuals in architect career in India provides professional services for new constructions, alterations, renovations and several other activities. Individuals in architectural careers in India visit site locations to visualize their projects and prepare scaled drawings to submit to a client or employer as a design. Individuals in architecture careers also estimate build costs, materials needed, and the projected time frame to complete a build.
Having a landscape architecture career, you are involved in site analysis, site inventory, land planning, planting design, grading, stormwater management, suitable design, and construction specification. Frederick Law Olmsted, the designer of Central Park in New York introduced the title “landscape architect”. The Australian Institute of Landscape Architects (AILA) proclaims that "Landscape Architects research, plan, design and advise on the stewardship, conservation and sustainability of development of the environment and spaces, both within and beyond the built environment". Therefore, individuals who opt for a career as a landscape architect are those who are educated and experienced in landscape architecture. Students need to pursue various landscape architecture degrees, such as M.Des, M.Plan to become landscape architects. If you have more questions regarding a career as a landscape architect or how to become a landscape architect then you can read the article to get your doubts cleared.
An expert in plumbing is aware of building regulations and safety standards and works to make sure these standards are upheld. Testing pipes for leakage using air pressure and other gauges, and also the ability to construct new pipe systems by cutting, fitting, measuring and threading pipes are some of the other more involved aspects of plumbing. Individuals in the plumber career path are self-employed or work for a small business employing less than ten people, though some might find working for larger entities or the government more desirable.
Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.
A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.
A veterinary doctor is a medical professional with a degree in veterinary science. The veterinary science qualification is the minimum requirement to become a veterinary doctor. There are numerous veterinary science courses offered by various institutes. He or she is employed at zoos to ensure they are provided with good health facilities and medical care to improve their life expectancy.
Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth.
An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.
When it comes to an operation theatre, there are several tasks that are to be carried out before as well as after the operation or surgery has taken place. Such tasks are not possible without surgical tech and surgical tech tools. A single surgeon cannot do it all alone. It’s like for a footballer he needs his team’s support to score a goal the same goes for a surgeon. It is here, when a surgical technologist comes into the picture. It is the job of a surgical technologist to prepare the operation theatre with all the required equipment before the surgery. Not only that, once an operation is done it is the job of the surgical technologist to clean all the equipment. One has to fulfil the minimum requirements of surgical tech qualifications.
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A career as Critical Care Specialist is responsible for providing the best possible prompt medical care to patients. He or she writes progress notes of patients in records. A Critical Care Specialist also liaises with admitting consultants and proceeds with the follow-up treatments.
Individuals in the ophthalmologist career in India are trained medically to care for all eye problems and conditions. Some optometric physicians further specialize in a particular area of the eye and are known as sub-specialists who are responsible for taking care of each and every aspect of a patient's eye problem. An ophthalmologist's job description includes performing a variety of tasks such as diagnosing the problem, prescribing medicines, performing eye surgery, recommending eyeglasses, or looking after post-surgery treatment.
For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs.
Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.
A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.
Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.
Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages. Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.
The career as a Talent Agent is filled with responsibilities. A Talent Agent is someone who is involved in the pre-production process of the film. It is a very busy job for a Talent Agent but as and when an individual gains experience and progresses in the career he or she can have people assisting him or her in work. Depending on one’s responsibilities, number of clients and experience he or she may also have to lead a team and work with juniors under him or her in a talent agency. In order to know more about the job of a talent agent continue reading the article.
If you want to know more about talent agent meaning, how to become a Talent Agent, or Talent Agent job description then continue reading this article.
Careers in videography are art that can be defined as a creative and interpretive process that culminates in the authorship of an original work of art rather than a simple recording of a simple event. It would be wrong to portrait it as a subcategory of photography, rather photography is one of the crafts used in videographer jobs in addition to technical skills like organization, management, interpretation, and image-manipulation techniques. Students pursue Visual Media, Film, Television, Digital Video Production to opt for a videographer career path. The visual impacts of a film are driven by the creative decisions taken in videography jobs. Individuals who opt for a career as a videographer are involved in the entire lifecycle of a film and production.
A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications.
Individuals who want to opt for a career as a Visual Communication Designer will work in the graphic design and arts industry. Every sector in the modern age is using visuals to connect with people, clients, or customers. This career involves art and technology and candidates who want to pursue their career as visual communication designer has a great scope of career opportunity.
In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism, Advertising, Marketing Management. Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook.
Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.
For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.
In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion. Ever since internet cost got reduced the viewership for these types of content has increased on a large scale. Therefore, the career as vlogger has a lot to offer. If you want to know more about the career as vlogger, how to become a vlogger, so on and so forth then continue reading the article. Students can visit Jamia Millia Islamia, Asian College of Journalism, Indian Institute of Mass Communication to pursue journalism degrees.
Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.
Advertising managers consult with the financial department to plan a marketing strategy schedule and cost estimates. We often see advertisements that attract us a lot, not every advertisement is just to promote a business but some of them provide a social message as well. There was an advertisement for a washing machine brand that implies a story that even a man can do household activities. And of course, how could we even forget those jingles which we often sing while working?
Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.
A career as social media manager involves implementing the company’s or brand’s marketing plan across all social media channels. Social media managers help in building or improving a brand’s or a company’s website traffic, build brand awareness, create and implement marketing and brand strategy. Social media managers are key to important social communication as well.
A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.
A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product.
A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.
Production Manager Job Description: A Production Manager is responsible for ensuring smooth running of manufacturing processes in an efficient manner. He or she plans and organises production schedules. The role of Production Manager involves estimation, negotiation on budget and timescales with the clients and managers.
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A Team Leader is a professional responsible for guiding, monitoring and leading the entire group. He or she is responsible for motivating team members by providing a pleasant work environment to them and inspiring positive communication. A Team Leader contributes to the achievement of the organisation’s goals. He or she improves the confidence, product knowledge and communication skills of the team members and empowers them.
A Quality Systems Manager is a professional responsible for developing strategies, processes, policies, standards and systems concerning the company as well as operations of its supply chain. It includes auditing to ensure compliance. It could also be carried out by a third party.
A career as a merchandiser requires one to promote specific products and services of one or different brands, to increase the in-house sales of the store. Merchandising job focuses on enticing the customers to enter the store and hence increasing their chances of buying a product. Although the buyer is the one who selects the lines, it all depends on the merchandiser on how much money a buyer will spend, how many lines will be purchased, and what will be the quantity of those lines. In a career as merchandiser, one is required to closely work with the display staff in order to decide in what way a product would be displayed so that sales can be maximised. In small brands or local retail stores, a merchandiser is responsible for both merchandising and buying.
The procurement Manager is also known as Purchasing Manager. The role of the Procurement Manager is to source products and services for a company. A Procurement Manager is involved in developing a purchasing strategy, including the company's budget and the supplies as well as the vendors who can provide goods and services to the company. His or her ultimate goal is to bring the right products or services at the right time with cost-effectiveness.
Individuals who opt for a career as a production planner are professionals who are responsible for ensuring goods manufactured by the employing company are cost-effective and meets quality specifications including ensuring the availability of ready to distribute stock in a timely fashion manner.
Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack
Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.
A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.
ITSM Manager is a professional responsible for heading the ITSM (Information Technology Service Management) or (Information Technology Infrastructure Library) processes. He or she ensures that operation management provides appropriate resource levels for problem resolutions. The ITSM Manager oversees the level of prioritisation for the problems, critical incidents, planned as well as proactive tasks.
.NET Developer Job Description: A .NET Developer is a professional responsible for producing code using .NET languages. He or she is a software developer who uses the .NET technologies platform to create various applications. Dot NET Developer job comes with the responsibility of creating, designing and developing applications using .NET languages such as VB and C#.
Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.
A DevOps Architect is responsible for defining a systematic solution that fits the best across technical, operational and and management standards. He or she generates an organised solution by examining a large system environment and selects appropriate application frameworks in order to deal with the system’s difficulties.
Individuals who are interested in working as a Cloud Administration should have the necessary technical skills to handle various tasks related to computing. These include the design and implementation of cloud computing services, as well as the maintenance of their own. Aside from being able to program multiple programming languages, such as Ruby, Python, and Java, individuals also need a degree in computer science.
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