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Our environment is a very important chapter of the NCERT our environment from an exam point of view. The NCERT Class 10 Science Chapter 15 notes give you a basic idea of the chapter our environment. The main topics covered in NCERT Class 10 Science notes are definition, ecosystems—what are its components, food chains and webs, how do our activities affect the environment, and ozone layer depletion. Download the CBSE Notes for Class 10 Science, Chapter 15, PDF to use offline anywhere. Students must go through each topic in our environment Class 10 Notes Science, in the easiest and most effective way possible with the help of NCERT Notes for Class 10.
Class 10 Science chapter 15 notes also cover all the important concepts, like decomposers and consumers, biodegradable and non-biodegradable, related to this chapter, which are useful in various competitive exams. Our environment NCERT Notes Class 10 Science helps you revise these major concepts given in the NCERT Book in no time during Class 10 CBSE Board exam preparation. CBSE Class 10 Science Chapter 15 notes will help you with quick revision. Our Environment Chapter 15 Science Class 10 Notes covers all headings of the NCERT Book. CBSE Class 10 Science chapter 15 notes also contain important examples that have been frequently asked in the various exams. Having revision notes and NCERT Solutions for Class 10 Science Chapter 15 handy is beneficial to save you time. The NCERT Class 10 notes PDF can be downloaded through the link given below.
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Each level of the food chain forms a trophic level-
Producers, consumers, and decomposers
Organisms are classified as producers, consumers, or decomposers depending on how they receive their food from the environment.
Producers-
Producers are all organisms that can prepare their own food through photosynthesis using the sun's radiant energy received by the chlorophyll in the leaves.
Consumers-
Decomposers-
UV rays break up molecular oxygen (O2) into free oxygen (O) atoms, which mix with the molecular oxygen (O2) to generate ozone (O3).
O2 →O + O
O+O2 →O3
Producers
Producers are all organisms that can prepare their own food through photosynthesis using the sun's radiant energy received by the chlorophyll in the leaves.
Consumers
Consumers are organisms that consume the food produced, either directly or indirectly.
Based on their manner of feeding, consumers can be classed as primary, secondary, or tertiary.
Primary consumers include all herbivores and some parasites.
Rabbits, for example, consume grass.
Secondary consumers include many tiny carnivores and parasites.
A snake that eats rabbits is an example.
Tertiary consumers include larger carnivores and omnivores.
An owl, for example, eats snakes.
Biodegradable substances
Our waste materials are discharged into the environment as a result of our daily activities.
Biodegradable compounds are those that can be broken down by biological processes.
Plant and animal organic materials, for example
Non-biodegradable substances
Non-biodegradable compounds are those that are not broken down by bacteria or saprophytes.
Plastics are a good example.
Decomposers
Decomposers are creatures that break down the dead remnants and waste products of other organisms.
Decomposers in the soil break down complex organic chemicals into simple inorganic substances that plants can utilise.
No, the NCERT notes for Class 10 Science chapter 15 do not include all of the important derivations. This NCERT note provides a summary of the chapter's main concepts and equations and can be used to review the chapter.
From the notes for Class 10 Science chapter 15, students should expect 4 to 6 mark
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