Our Environment Mock Tests

Which of the following is a biodegradable waste?

Which of the following is a biodegradable waste?

Which of the following is an example of abiotic component of an ecosystem?

Which gas is primarily responsible for the depletion of the ozone layer?

In a food chain consisting of grass, grasshopper, frog, and snake, if the energy available to grasshopper is 1000 J, the energy available to the snake according to the 10% law is:

Which of the following processes contributes most to the recycling of nutrients in an ecosystem?

In an ecosystem, which trophic level consists of organisms that make their own food?

In a food chain, the second trophic level is always occupied by: