Our Environment...

Select the mismatched pair in the following.
(a) Biomagnification- Accumulation of chemicals at the successive trophic levels of a food chain.
(b) Ecosystem- Biotic components of the environment.
(c) Aquarium- A man-made ecosystem.
(d) Parasites- Organisms which obtain food from other living organisms.

Food web ensures survival of all types of trophic levels.

Biodegradable wastes should be separated and kept in which coloured bin for garbage collectors?

Not all materials are recycled in the environment.

The food web consists of:

An example of a producer in the aquatic food web would be

Each step in a food chain is called

Which type of waste is represented by the given figure?

Above figures represent.................type of waste.

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about: