Science Questions

Which layer of the atmosphere protects us from harmful UV rays?

Organisms that can produce their own food are called:

The interlinked network of several food chains is called:

Which of these is a renewable source of energy?

The study of interactions between organisms and their environment is:

Which animal is an example of an omnivore?

What does a pyramid of numbers represent?

World Environment Day is celebrated on:

The percentage of nitrogen gas in the Earth's atmosphere is approximately:

Which of these is a biotic component of a pond ecosystem?

Which of the following is NOT a greenhouse gas?

Animals that depend on other animals for food are called:

The gradual change in species composition in a given area is called:

Vulture and hyena are examples of:

Which of the following is a threat to biodiversity?

Acid rain is mainly caused by the oxides of:

Which part of Nepal is famous for One-horned Rhinoceros?

The term 'Ecology' was first coined by:

A food chain always starts with:

The living components of an ecosystem are called: