Our Environment...

The animal which eats both plants and other animals is called______.

Biodegradable wastes should be separated and kept in .............. colour bins for garbage collectors.

The ozone layer in our atmosphere protects us from the bad effects of:

Identify the organisms that may be found at (a), (b), (c), and (d) position in the food web shown above.

In the given food web, an insecticide is sprayed to kill the caterpillars. In which organisms will the highest level of insecticide accumulate after a period of time?

Read the following statements.
I.  In a food chain, there is a multidirectional flow of energy from the sun to producers, consumers, and decomposers.
II. Shorter food chains provide more energy as compared to longer food chains.
III. In an ecosystem, no food chain is independent.
IV. The energy available at each successive trophic level increases.
Which of these statements are correct?

A decrease in the grass population will most immediately decrease the available energy for the:

The given figure shows four food chains with humans as a top consumers. Which two of these chains supply the maximum amount of energy to the human?

Ultraviolet radiation from sunlight causes the reaction that produces:

In a food chain, lions occupy which trophic level?