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NCERT Solutions for Class 10 Science Chapter 15 - Our Environment
Solutions of CBSE NCERT class 10 science chapter 15 our environment explains all the questions related to this chapter. Since CBSE class 10 is a board class it is extremely important to understand topics carefully, therefore, CBSE NCERT solutions for class 10 science chapter 15 our environment will give solutions to all the topic related doubts mentioned in NCERT book. Latest: Trouble with homework?� CBSE NCERT solutions class 10 science chapter 15 our environment topic How do our activities affect the environment? Q. 1. What is ozone and how does it affect any ecosystem? Answer� Latest Articles. CBSE 10th Result Date Announced - Check CBSE Class 10 Res CBSE 10th Result - CBSE will release the Class 10 board e 13 hours ago. In our �Our Environment Class 10 NCERT Solutions� you will learn about many things related to the environment, food chain, pollution and how to create a better environment. Our Environment Class 10 extra questions are there too, to help you understand about each of the aspects of the chapter. These are the things that you will learn� Our solutions focus on building the fundamental knowledge of the students on environment. That is why we have given a detailed explanation on the structure of Ozone before discussing about its helpfulness. Rest assured, your basic knowledge in environment and the things that affect it. Our NCERT solutions for Class 10 science Chapter 15 are short and to the point. We have not prolonged our answers unnecessarily. NCERT Class 10 Science Solutions. In Text Questions. Page No: � Biodegradable substances affect the environment by: > The biodegradable substances such as tree leaves, plant parts, and kitchen wastes can be used as humus after composting. This will enhance the soil fertility. > The biodegradable substances mainly contain carbon. These substances after decomposition release that carbon back into the atmosphere. 3. Give any two ways in which non-biodegradable substances would affect the environment. Answer. Non-biodegradable substances affect the environment by: > They contaminate soil and water resources as they cannot be decomposed by micro-organisms. > Th.

Why are some substances biodegradable and some non-biodegradable? Answer Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Substances that are broken down into simple soluble forms are called biodegradable substances and the substances that are not decomposed by microorganisms into harmless substances are called non biodegradable substances. Give any two ways in which biodegradable substances would affect the environment.

This will enhance the soil fertility. These substances after decomposition release that Ncert Solutions Class 10th Our Environment Editor carbon back into the atmosphere. Give any two ways in which non-biodegradable substances would affect the environment. Page No: 1. What are trophic levels? Give an example of a food chain and state the different trophic levels in it. Answer The various links or steps in a food chain at which the transfer of food and energy takes place are called trophic levels.

The producers form the first trophic level as they manufacture food. The primary consumers form the second trophic level, the secondary consumers form the third, and the tertiary consumers form the fourth trophic level. In the above fig. Grass is the producer which is eaten by the grasshooper known as primary consumer. Then the grasshooper is eaten by shrew, secondary consumer and lastly shrew eaten up by owl, tertiary conusmer. The levels of biomagnification will be different at different trophic levels.

For example, in a pond of water, DDT was sprayed and the producers were found to have 0. Since many types of planktons are eaten by some fishes and clams, their body accumulates 0.

Sea gull that feeds on clams accumulates more DDT as one sea gull eats many clams. Hawk, the top carnivore, has the highest concentration of DDT. Previous Post Next Post. Contact form. LinkList ul li ul'. Tabify by Templateify v1.

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