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NCERT exemplar Class 12 Biology solutions chapter 8 are the complete study materials for any student preparing for board exams. The NCERT exemplar Class 12 Biology chapter 8 solutions provide the extra edge as well as the right guidance to the students. In addition to the board exams, the Class 12 Biology NCERT exemplar solutions chapter 8 will help students to prepare for upcoming competitive exams such as NEET as well. The questions are designed by professional experts with immense knowledge and in accordance with the CCE guidelines.
Question:1
The term 'Health' is defined in many ways. The most accurate definition of health would be:
a. Health is the state of body and mind in a balanced condition
b. Health is the reflection of a smiling face
c. Health is a state of complete physical, mental and social well-being
d. Health is a symbol of economic prosperity.
Answer:
The answer is the option (c) health is a state of complete physical, mental, and social well-being
Explanation: To lead a quality life, physical fitness alone is not sufficient. Mental and Social well-being hold equal importance
Question:2
The organisms which cause diseases in plants and animals are called:
a. Pathogens
b. Vectors
c. Insects
d. Worms
Answer:
The answer is the option (a) Pathogens
Explanation: Only some insects and worms cause diseases. Vectors are just carriers of disease causing organisms.
Question:3
The clinical test that is used for the diagnosis of typhoid is:
a. ELISA
b. ESR
c. PCR
d. Widal
Answer:
The answer is the option (d) Widal-Test
Explanation: ELISA is used to diagnose AIDS. PCR amplifies gene copies to obtain a particular gene sequence. ESR test determines the sedimentation rate of RBCs and is used as a diagnostic tool for inflammation. Widal test is used to diagnose typhoid.
Question:4
Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify infectious diseases.
i. Cancer
ii. Influenza
iii. Allergy
iv. Smallpox
(a) i and ii (b) ii and iii (c) iii and iv (d)ii and iv
Answer:
The answer is the option (d) (ii) and (iv)
Explanation: Cancer and allergy are non-infectious diseases.
Question:5
The sporozoites that cause infection when a female Anopheles mosquito bites a person, are formed in:
a. liver of the person
b. RBCs of mosquito
c. salivary glands of mosquito
d. gut of mosquito
Answer:
The answer is the option (d) intestine of mosquito
Explanation: intestine of mosquito
Question:6
The disease chikungunya is transmitted by:
a. house fly
b. Aedes mosquito
c. cockroach
d. female Anopheles
Answer:
The answer is the option (b) Aedes mosquitoes
Question:7
Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?
a. Difficulty in respiration, fever, chills, cough, headache
b. Constipation, abdominal pain, cramps, blood clots
c. Nasal congestion and discharge, cough, constipation, headache
d. High fever, weakness, stomach pain, loss of appetite and constipation
Answer:
The answer is the option (a) Difficulty in respiration, fever, chills, cough, headache
Explanation: Symptoms in 'b' and'd' are related to digestive system. Symptoms in 'c' are related to common cold.
Question:8
Cancer-causing genes are called:
a. structural genes
b. expressed genes
c. oncogenes
d. regulatory genes
Answer:
The answer is the option (c) oncogenes
Explanation: The term 'onco' is related to cancer
Question:9
In malignant tumours, the cells proliferate, grow rapidly and move to other parts of the body to form new tumours. This stage of the disease is called:
a. metagenesis
b. metastasis
c. teratogenesis
d. mitosis
Answer:
The answer is the option (b) metastasis
Explanation: Metagenesis is related to alternation of generation. Teratogenesis is related to congenital deformities. And mitosis is a type of cell division.
Question:10
When a healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that:
a. the patient was not efficient at his work
b. the patient was not economically prosperous
c. the patient shows behavioural and social maladjustment
d. he does not take an interest in sports
Answer:
The answer is the option (c) the patient shows behavioural and social maladjustment
Explanation: Option a, b and d cannot indicate a disease when taken in isolation.
Question:11
Which of the following is the reason(s) for Rheumatoid arthritis? Choose the correct option.
i. The ability to differentiate pathogens or foreign molecules from self cells increases.
ii. The body attacks self cells
iii. More antibodies are produced in the body
iv. The ability to differentiate pathogens or foreign molecules from self cells is lost
(a) i and ii (b) ii and iv (c) iii and iv (d) I and iii
Answer:
The answer is the option (b) (ii) and (iv)
Explanation: (b) (ii) and (iv)
Question:12
AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?
a. Transfusion of contaminated blood
b. Sharing the infected needles
c. Shaking hands with infected person
d. Sexual contact with infected persons
Answer:
The answer is the option (c) Shaking hands with infected persons
Explanation: HIV can only transmit through the exchange of body fluids
Question:13
'Smack' is a drug obtained from the:
a. latex of Papaver somniferum
b. leaves of Cannabis sativa
c. flowers of Dhatura
d. fruits of Erythroxylum coca
Answer:
The answer is the option (a) latex of Papaver somniferum
Explanation: (a) latex of Papaver somniferum
Question:14
The substance produced by a cell in a viral infection that can protect other cells from further infection are:
a. serotonin
b. colostrum
c. interferon
d. histamine
Answer:
The answer is the option (c) interferon
Explanation: Interferon is a protein which prevents a healthy cell from being infected by a virus.
Question:15
Transplantation of tissues/organs to save certain patients often fails due to the rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
a. auto-immune response
b. humoral immune response
c. physiological immune response
d. cell-mediated immune response
Answer:
The answer is the option (d) cell-mediated immune response
Question:16
Antibodies present in colostrum which protect the newborn from certain diseases are of
a. IgG type
b. Ig A type
c. Ig D type
d. Ig E type
Answer:
The answer is the option (b) IgA type
Question:17
Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be:
a. Nicotine
b. Tannic acid
c. Curamin
d. Catechin
Answer:
The answer is the option (a) Nicotine
Question:18
Antivenom against snake poison contains:
a. Antigens
b. Antigen-antibody complexes
c. Antibodies
d. Enzymes
Answer:
The answer is the option (c) Antibodies
Question:19
Which of the following is not a lymphoid tissue?
b. Tonsils
c. Pancreas
d. Thymus
Answer:
The answer is the option (c) Pancreas
Question:20
Which of the following glands is large-sized at birth but reduces in size with ageing?
a. Pineal
b. Pituitary
c. Thymus
d. Thyroid
Answer:
The answer is the option (c) Thymus
Question:21
Haemozoin is a:
a. precursor of haemoglobin
b. the toxin released from Streptococcus infected cells
c. the toxin released from Plasmodium-infected cells
d. the toxin released from Haemophilus infected cells
Answer:
The answer is the option (c) toxin released from Plasmodium infected cells
Explanation: Haemozoin is responsible for episode of chills and fevers in a malaria patient.
Question:22
Which of the following is not the causal organism for ringworm?
a. Microsporum
b. Trichophyton
c. Epidermophyton
d. Microsporum
Answer:
The answer is the option (d) Macrosporum
Question:23
A person with sickle cell anaemia is
a. more prone to malaria
b. more prone to typhoid
c. less prone to malaria
d. less prone to typhoid
Answer:
The answer is the option (c) less prone to malaria
Explanation: Due to the different shape of RBCs, people suffering from sickle cell anaemia show higher resistance to malaria.
Question:1
Certain pathogens are tissue/organ-specific. Justify the statement with suitable examples.
Answer:
Yes, some pathogens are tissue/organ-specific. For instance, Rhinovirus only infects the nasal passage and respiratory tract only but not the lungs. Ringworm causing fungi only infect the skin.
Question:2
The immune system of a person is suppressed. In the ELISA test, he was found positive to a pathogen.
a. Name the disease the patient is suffering from.
b. What is the causative organism?
c. Which cells of the body are affected by the pathogen?
Answer:
(a) AIDS
(b) Human Immuno Deficiency Virus
(c) T-lymphocytes
Question:3
Where are B-cells and T-cells formed? How do they differ from each other?
Answer:
B-cells are formed in the bone marrow and are responsible for the production of antibodies. T-cells are formed in the thymus, and they help B-cells in the production of antibodies.
Question:4
a. Virus | cold |
b. Salmonella | Typhoid |
c. Microsporum | Filariasis |
d. Plasmodium | malaria |
Answer:
c) Microsporum causes ringworm and not filariasis.
Question:5
What would happen to the immune system, if thymus gland is removed from the body of a person?
Answer:
Thymus is responsible for maturation of lymphocytes and is one of the primary lymphoid organs. As enough T-cells are generated during the foetal stage (pre-birth), their removal does not impact immunity significantly. However, if thymus is removed during infancy, there may be some effect on the individual's immunity
Question:6
Answer:
Most microbial pathogens are eliminated due to mucus secreted by the inner lining of the alimentary canal. Pathogens which survive it, are killed in the stomach due to the acidic pH.
Question:7
Why is the mother's milk considered the most appropriate food for a newborn infant?
Answer:
For a few days after birth, the mother's milk is rich in antibodies (IgA) which protects the infant against many diseases.
Question:8
What are interferons? How do interferons check infection of new cells?
Answer:
Interferon is a protein secreted by virus-infected cells, which act like cytokinine barriers and protects other cells from infection.
Question:9
Answer:
A: Antigen binding site, B: Light chain, C: Heavy chain
Question:10
Four withdrawal symptoms that an addicted person shows are:
Anxiety
Shakiness
Nausea
Sweating
Question:11
Answer:
Germs, which can cause infectious diseases to float in the air during changing weather. Their presence is especially high in closed, crowded, and air-conditioned places. This is why we should avoid such places during changing weather.
Question:12
Answer:
People suffering from sickle cell anaemia are less prone to malaria. According to a report from the CDC, in areas with a higher number of cases of malaria, cases of sickle cell anaemia is also higher.
Question:13
Lymph nodes are secondary lymphoid organs. Explain the role of lymph nodes in our immune response.
Answer:
Microbes and antigens, which make their way into lymph and tissue field are trapped by lymph nodes. These trapped antigens, in turn, activate lymphocytes triggering the immune response.
Question:14
Why is an antibody molecule represented as H2L2 ?
Answer:
An antibody molecule is represented as H2L2 because they have four peptide chains -
a. Light Chains - These two chains are small
b.Heavy Chains -These two chains are long
Question:15
What does the term 'memory' of the Immune system mean?
Answer:
Our body gains immunity against certain pathogens after they attack the body the first time. This is called the primary response and is characterised by low intensity.
However, when the same pathogens make their way in again, our immune system responds with higher intensity due to 'memory'. This more intense response is called a secondary response.
Question:16
Answer:
If a patient is advised Anti-Retroviral Therapy, he is likely to suffer from AIDS. Human Immunodeficiency Virus (HIV) is the causative organism.
Question:1
Differentiate between active immunity and passive immunity.
Answer:
Active Immunity | Passive Immunity |
The body prepares antibodies in response to a pathogen or foreign material. | Antibodies are deliberately put into the body by artificial means. |
It is slow and takes time to respond. | It is fast and responds quickly. |
Question:2
Differentiate between a benign tumour and malignant tumour.
Answer:
Benign Tumour | Malignant Tumour |
They usually do not spread to other parts of the body and remain confined to their original location | They spread to other parts of the body as well |
They can't start a new tumour at a new place | They may start a new tumour at a new place |
They cause little damage | They cause severe damage |
Question:3
Do you consider passive smoking is more dangerous than active smoking? Why?
Answer:
Although active smokers are at more risk of smoking-related diseases, passive smoking is still more dangerous than active smoking. It is because the person is not intentionally doing it, but is forced by his/her situation to inhale the smoke, while an active smoker is aware of the danger, they are in.
Question:4
"Prevention is better than cure". Comment.
Answer:
Prevention is better than cure as the cure entails various costs - physical, emotional, and monetary. It adds a huge financial burden to the individual's family. Prevention generally costs a fraction of the cure and also prevents loss in economic productivity.
Question:5
Explain any three preventive measures to control microbial infections.
Answer:
Three preventive measures to control microbial infections are:
(a) Avoiding contaminated food and water: Many infections spread through contaminated food and water and can be easily prevented by avoiding contaminated food and water.
(b) Preventing vectors: Some diseases spread through vectors like a mosquito. These diseases can be prevented by putting a check on the breeding grounds for these vectors.
(c) Maintaining hygiene: Many diseases like Coronavirus are transmitted through water droplets that come out of our nose and mouth. Maintaining personal hygiene is the best way to avoid contracting such diseases
Question:6
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
a. Fill in (1) and (2)
b. Why the virus called retrovirus?
c. Can the infected cell survive while viruses are being replicated and released?
Answer:
1: viral DNA is produced; 2: Viral RNA is produced by the host cell
A virus which has an envelope enclosing RNA genome is called a retrovirus.
Yes.
Question:7
Answer:
Maintaining personal hygiene ensures the non-transmission of many infectious diseases to a great extent. Especially diseases which transmit through air, droplets, and skin infections.
Lack of public hygiene is the biggest contributor to the spread of many diseases like cholera, typhoid, malaria and many more. Ensuring cleanliness of your surrounding can lead to a drastic reduction in incidences of many such diseases.
Question:8
The following table shows certain diseases, their causative organisms and symptoms. Fill the gaps.
| Name of the diease | Causative organism | Symptoms |
(i) | Ascariasis | Ascaris | _______ |
(ii) | _______ | Trichophyton | Appearance of dry,scaly lesions on various parts of body |
(iii) | Typhoid | Salmonella typhi | High fever,weakness,headache, stomach pain,constipation |
(iv) | Pneumonia | Streptococcus pneumoniae | _______ |
(v) | _______ | Rhino viruses | Nasal congestion and discharge, sore throat,cough, headache |
(vi) | Filarisis | _______ | Inflamation in lower limbs |
Answer:
Name of diseases | Causative Organism | Symptoms |
Ascariasis | Ascaris | Internal bleeding, muscular pain, anaemia, fever, blockage of intestinal passage |
Ringworm | Trichophyton | Appearance of dry, scaly lesions on various parts of the body |
Typhoid | Salmonella Typhi | High fever, weakness, headache, stomach pain, constipation |
Pneumonia | Streptococcus pneumoniae | Fluid in lungs, fever, difficulty in breathing |
Common cold | Rhinoviruses | Nasal congestion and discharge, sore throat, cough, headache |
Filariasis | Wuchereria | Inflammation in lower limbs |
Question:9
The outline structure of a drug is given below.
a. Which group of drugs does this represent?
b. What are the modes of consumption of these drugs?
c. Name the organ of the body, which is affected by the consumption of these drugs.
Answer:
Cannabinoids
Inhalation and oral ingestion
Cardiovascular system
Question:10
Give the full form of CT and MRI. How are they different from each other? Where are they used?
Answer:
CT | MRI |
It stands for Computed Tomography | It stands for Magnetic Resonance Imaging |
It uses X-ray for imaging | It uses a magnetic field and non-ionising radiations |
It generates a 3-D image of the internals of an object | It detects pathological and physiological changes in living tissues |
Question:11
Answer:
Drugs like morphine and codeine (opium) have strong medical applications where morphine is a very strong painkiller, and codeine is effective in suppressing cough. Unfortunately, the flip-side to both these medicines is that they are highly intoxicating and thus are misused for this purpose. Such drug abuse makes a person hallucinogenic.
Question:12
Why are cannabinoids banned in sports and games?
Answer:
Cannabinoids are used as a performance enhancer in sports as they reduce the sensation of pain and thus increases the endurance of the athlete.
Question:13
Answer:
There are some pathways and small molecule products of metabolism, which are not essential for the survival of the organism. These are known as secondary or specialised metabolism.
Question:14
Drugs and alcohol give short-term 'high' and long-term 'damages', Discuss.
Answer:
Drugs and alcohol are intoxicating, and people use them to get 'high' but have serious long term repercussions. Ex- Liver cirrhosis (a life-threatening ailment) is common among long term alcohol addicts.
Question:15
Answer:
It is tough to maintain public hygiene in overcrowded places. Consider for example - Shared washrooms are common in overcrowded places. Compared to an individual's washroom, such washrooms will be highly unhygienic. Moreover, being densely populated, even simple diseases like common cold spread to many people very quickly.
Question:16
Answer:
Cannabinoids are obtained from Cannabis sativa. Marijuana and hashish are examples of cannabinoids. They affect the cardiovascular system.
Question:17
Answer:
Many children are protected from the external environment early in their life because of which their immunity is low against hazardous environmental factors, especially in metropolitan areas. This is the main cause of allergic reactions in children.Some symptoms of an allergic reaction are; coughing, sneezing, breathlessness, etc.
Question:18
Answer:
Vaccination works on the principle of 'memory' of the immune system. Vaccines help the immune system to fight future attacks from a pathogen. Antibodies are created by the body in response to the vaccine, and these antibodies jump into action when the pathogen attacks again. Yeast is used to producing the Hepatitis B vaccine.
Question:19
Uncontrolled cell division which leads to the formation of a tumour is called cancer. Unlike a normal cell, which loses its ability to divide in a few iterations, cancer cells continue to divide endlessly. Generally, the normal cell stops diving when it comes in contact with other cells. This ability is known as contact inhibition, and cancerous cells are abnormal as they do not possess this ability.
Question:20
Answer:
This condition is called allergy. Such a reaction is caused by mast cells; and basophils (white blood cells). To prevent such allergic reactions, one should avoid the substances to which they are allergic. Allergies against pollen are very common, and an allergic person should avoid going near such flowers.
Question:21
For an organ transplant, it is an advantage to have an identical twin. Why?
Answer:
Immune system always tries to reject any foreign substance. Unfortunately, this may lead to tissue rejection in Organ transplant. However, most of the tissues are identical in identical twins, and this reduces the chances of tissue rejection.
Question:22
What are lifestyle diseases? How are they caused? Name any two such diseases.
Answer:
Lifestyle diseases occur because of faulty lifestyle. Overeating and sedentary lifestyle are the major causes of such diseases.Ex-Diabetes and hypercholesterolemia.
Question:23
Answer:
Compared to DNA, RNA replication is more susceptible to errors, and thus are more susceptible to mutations.
Question:1
Represent schematically the life cycle of a malarial parasite.
Answer:
Question:2
Answer:
People in Urban Areas | People in Rural Areas |
Most of the people do jobs which involve sitting for long hours. | Most of people do jobs which involve manual work |
Have a sedentary lifestyle | Have an active lifestyle |
Can easily avail processed food | Primarily eat unprocessed and homemade |
Environmental pollution is high | Environmental pollution is low |
High risk of Diabetes and cardiovascular | Low risk of Diabetes and cardiovascular |
Can receive quality medical attention | May not receive quality medical attention |
Question:3
Why do some adolescents start taking drugs? How can this be avoided?
Answer:
Many adolescents who start taking drugs do so because of their curiosity and adventure-seeking nature. Moreover, under peer pressure, many adolescents end up taking drugs to experiment, and continued use leads to addiction.
Question:4
Answer:
A person addicted to alcohol may avoid socialising, may become easily irritable and suffers from spells of rage and depression. Some people even resort to petty crimes if they are unable to afford the money to buy alcohol.
To address the situation:
A qualified counsellor should be pressed into service.
People closest to them should spend more time with the person
The person must get help to reduce or totally withdraw from any alcohol consumption
Question:5
Answer:
Following are the methods of cancer detection:
Biopsy: A small fragment of the concerning tissue is extracted and then goes through histopathological study.
Blood Test and Bone Marrow Test: Increased levels of cell count can be gauged from this test.
Imagery Technique: Internal organs can be diagnosed by X-ray, CT scan and MRI.
Apart from the above mentioned techniques, antibodies against cancer-specific antigens and molecular biotechnology are also used in certain cases.
Common approaches of treatment involve surgery, radiotherapy, and immunotherapy:
Surgery: It can be used to remove the tumour.
Radiotherapy: Radioactive rays can be utilised to destroy cancerous cells, with minimal impact to normal cells
Immunotherapy: Chemotherapeutic drugs are used to destroy cancer cells. It involves the use of Interferon alfa, which helps the body's immune system to respond to cancer.
Question:6
Answer:
Adverse Effects of LSD: Most common side-effect of LSD is depression. Other side-effects include Schizophrenia or sever uterine contractions (in female)
Adverse Effects of Barbiturates: Side-effects of Barbiturates include -
Tolerance - Person needs higher doses as time passes
Dependence - Person cannot live without this drug.
Adverse Effects of Amphetamines: Mental depression and bouts of hallucinations are common side effects.
Question:7
Answer:
Pulse Polio: Launched in 1995-96, it is a mass immunisation programme aimed at eradicating the poliomyelitis virus from India. This programme has been undertaken with active cooperation from government agencies, NGOs, UNICEF, and CDC.
Key Objectives of Pulse Polio:
Not a single child should be missed.
High level of surveillance.
Reporting of any new case within 14 days.
To cover all the children below age 5, Polio booths are established throughout the country and volunteers are hired to administer the polio vaccine.
OPV (Oral Polio Vaccine): OPV is an attenuated vaccine, which is produced at a sub-physiological temperature by the passage of the virus through non-human cells. This produces spontaneous mutation in the viral genome. A single vial of OPV usually contains 10-20 doses.
India was declared a Polio free nation on 27th March 2014 as there were no new cases in the previous three years.
Question:8
What are recombinant DNA vaccines? Give two examples of such vaccines. Discuss their advantages.
Answer:
In recombinant DNA vaccine, only one or two antigen is inserted into the DNA of a suitable host. Recombinant DNA technology enables to make vaccines on a larger scale with least chances of contamination. These are cheaper. Examples include Hepatitis B and HPV Vaccine
Cell culture is used to do large scale production. A suitable animal (ex - horse) is injected with strains of pathogen and antigens are produced in the horse's cells. Antigens are then extracted from horse's serum. However, there are many shortcomings to this method –
Due to the possibility of contamination, there are chances of contracting other diseases
The method is challenged by Animal Rights Activists.
Recombinant DNA technology can address these issues as yeast is required to produce the vaccine, and large scale production can be done at a lower cost.
Health is an important part of our existence. In fact, the term health is frequently used in all fields of life. But what does Health really mean? As explained in the NCERT exemplar solutions for Class 12 Biology chapter 8, health is not simply the absence of disease or physical fitness. When people are healthy, they are more efficient, active, and productive. Health is defined as complete physical, mental and social well-being of the body.
In NCERT exemplar Class 12 Biology solutions chapter 8, the various aspects related to health be it the influence of different diseases, the immunity of the organism and fatal diseases like AIDS and Cancer are well explained.
In NCERT exemplar Class 12 Biology chapter 8 solutions, the students will learn about different aspects of health as an important factor. Awareness about diseases and their effects on various body functions along with the precautions and cure are detailed in this chapter of NCERT Class 12 Biology Solutions.
Besides being highly informative the NCERT exemplar solutions for Class 12 Biology chapter 8 is fun and interesting as it talks about various vital topics like vaccinations, fatal disease like Cancer and AIDS, their diagnosis, cure and prevention.
The chapter also explain the importance of avoiding drugs as well as their impacts on adolescence.
NCERT exemplar Class 12 Biology solutions chapter 8 can be a student’s best companion in the stressful time of exams as it helps the students to overcome fear before the exam with practice, improves their management skills and develops accuracy.
The impact of various environmental factors like vectors, diet, drugs on the health of living organisms are explained in the class 12 Biology NCERT exemplar solutions chapter 8.
Different diseases that threaten the well-being of humankind, their causes, symptoms and prevention are explained in this chapter which helps students to grasp the concepts well.
Also, the immunity that protects a living and helps them fight back the disease is also mentioned in NCERT exemplar solutions for Class 12 Biology chapter 8.
Chapter 1 | |
Chapter 2 | |
Chapter 3 | |
Chapter 4 | |
Chapter 5 | |
Chapter 6 | |
Chapter 7 | |
Chapter 8 | |
Chapter 9 | |
Chapter 10 | |
Chapter 11 | |
Chapter 12 | |
Chapter 13 | |
Chapter 14 | |
Chapter 15 | |
Chapter 16 |
The Class 12 Biology NCERT exemplar solutions chapter 8 are prepared by the experts according to the CCE guidelines and are completely based on NCERT books.
One can download the solutions in PDF format by using the webpage to PDF tools available online.
Application Date:09 September,2024 - 14 November,2024
Application Date:09 September,2024 - 14 November,2024
Admit Card Date:04 October,2024 - 29 November,2024
Admit Card Date:04 October,2024 - 29 November,2024
Hello there! Thanks for reaching out to us at Careers360.
Ah, you're looking for CBSE quarterly question papers for mathematics, right? Those can be super helpful for exam prep.
Unfortunately, CBSE doesn't officially release quarterly papers - they mainly put out sample papers and previous years' board exam papers. But don't worry, there are still some good options to help you practice!
Have you checked out the CBSE sample papers on their official website? Those are usually pretty close to the actual exam format. You could also look into previous years' board exam papers - they're great for getting a feel for the types of questions that might come up.
If you're after more practice material, some textbook publishers release their own mock papers which can be useful too.
Let me know if you need any other tips for your math prep. Good luck with your studies!
It's understandable to feel disheartened after facing a compartment exam, especially when you've invested significant effort. However, it's important to remember that setbacks are a part of life, and they can be opportunities for growth.
Possible steps:
Re-evaluate Your Study Strategies:
Consider Professional Help:
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Focus on NEET 2025 Preparation:
Seek Support:
Remember: This is a temporary setback. With the right approach and perseverance, you can overcome this challenge and achieve your goals.
I hope this information helps you.
Hi,
Qualifications:
Age: As of the last registration date, you must be between the ages of 16 and 40.
Qualification: You must have graduated from an accredited board or at least passed the tenth grade. Higher qualifications are also accepted, such as a diploma, postgraduate degree, graduation, or 11th or 12th grade.
How to Apply:
Get the Medhavi app by visiting the Google Play Store.
Register: In the app, create an account.
Examine Notification: Examine the comprehensive notification on the scholarship examination.
Sign up to Take the Test: Finish the app's registration process.
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Get Results: In just two days, the results are made public.
Verification of Documents: Provide the required paperwork and bank account information for validation.
Get Scholarship: Following a successful verification process, the scholarship will be given. You need to have at least passed the 10th grade/matriculation scholarship amount will be transferred directly to your bank account.
Scholarship Details:
Type A: For candidates scoring 60% or above in the exam.
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Scholarships can range from Rs. 2,000 to Rs. 18,000 per month, depending on the marks obtained and the type of scholarship exam (SAKSHAM, SWABHIMAN, SAMADHAN, etc.).
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Hope you find this useful!
hello mahima,
If you have uploaded screenshot of your 12th board result taken from CBSE official website,there won,t be a problem with that.If the screenshot that you have uploaded is clear and legible. It should display your name, roll number, marks obtained, and any other relevant details in a readable forma.ALSO, the screenshot clearly show it is from the official CBSE results portal.
hope this helps.
Hello Akash,
If you are looking for important questions of class 12th then I would like to suggest you to go with previous year questions of that particular board. You can go with last 5-10 years of PYQs so and after going through all the questions you will have a clear idea about the type and level of questions that are being asked and it will help you to boost your class 12th board preparation.
You can get the Previous Year Questions (PYQs) on the official website of the respective board.
I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.
Thank you and wishing you all the best for your bright future.
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As per latest 2024 syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
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