ncertmate
Open navigation menu
Class 10
Subjects
Mathematics Science Social Science Civics Social Science Economics Social Science Geography Social Science History
Search
Important Questions

Our Environment

5 priority revision questions selected from the existing 5-mark and hard-level question metadata for this chapter.

Back to chapter hub

Important Questions

5
Q2
Long Answer (5 Marks)

What are producers, consumers, and decomposers? Explain the role of each in the ecosystem with examples. How are these groups interdependent?

Study Answer
Q5
Long Answer (5 Marks)

Explain the flow of energy in an ecosystem. State the 10 percent law and explain why food chains rarely have more than four trophic levels.

Study Answer
Q7
Long Answer (5 Marks)

What is ozone? How is it formed, and what is its role in protecting life on Earth? Explain how CFCs cause ozone depletion and what steps have been taken to address this problem.

Study Answer
Q9
Long Answer (5 Marks)

What are the problems caused by non-biodegradable waste? Explain different methods of waste disposal. How can individuals contribute to reducing the waste management problem?

Study Answer
Q10
Long Answer (5 Marks)

What would happen if all organisms of one trophic level are removed from an ecosystem? Will the impact be the same at every trophic level? Explain with an example.

Study Answer

Other Chapters