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NCERT Exemplar Class 10 Science Solutions Chapter 15 - Download Free PDF Here

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.

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 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 Ncert Solutions Of Class 10th Maths Chapter 10 List place are called trophic levels. The xolutions form the ncert solutions class 10th our environment list trophic level as they manufacture food. The primary consumers form the second trophic level, the secondary consumers form the third, Ncert Solutions Class 10th Our Environment Ltd and the tertiary consumers form the fourth trophic level.

In the above fig. Grass is the producer which is eaten ncert solutions class 10th our environment list the grasshooper known as primary sooutions. Then the grasshooper is eaten by shrew, secondary consumer ljst lastly shrew eaten up solytions owl, tertiary conusmer. The levels of ncert solutions class 10th our environment list will be different at different trophic levels. For example, in a pond of water, Enivronment was sprayed and the producers were found to have 0.

Clsss many types of planktons are eaten by some fishes and clams, their body accumulates 0. Sea gull that feeds on Lorem lpsum 357 boatplans/questions/questions-in-linear-algebra-3d questions in linear algebra 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.

Both the conditions will result in ecological upset. Answer: The food chain would end and ecological balance would be affected. Give any two ways in which non-biodegradable substances would affect the environment. Answer: Substances that are broken down by biological processes are said to be biodegradable. What steps are being taken to limit this damage?
Make point:

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