Page 136 - Computer - 9(A&B)

F. Short answer type questions.

1. Defi ne environment and its various components.
2. What is the difference between physical environment and social environment?
3. Each ecosystem is unique but all ecosystems consist of three primary components. Comment.
4. Why do we need to conserve the natural resources?
5. How can we control water pollution?

6. What is green economy and why is it important for us?
7. What do you understand by green jobs?
8. What are green projects? Name any two of them.

G. Long answer type questions.

1. What is environment? Explain the composition of biotic and abiotic factors in the environment with
suitable examples.

2. Can development and conservation of environment go hand-in-hand? Justify your answer.
3. Write a short note on different types of ecosystems. What are the factors that cause imbalance in an
ecosystem?
4. What do you understand by natural resource conservation? Discuss different ways of conserving
natural resources.
5. What is green economy? Explain the key dimensions of green economy for a green planet.

Experiential Learning
DIY in the LabIY in the Lab
D Experiential Learning
 Hold a group discussion on various factors that infl uence our environment.
 Visit an industrial area and notice various causes of pollution to the environment. Prepare a report on
your fi ndings.
 Prepare a project on various aspects of green skills.
 Is green economy important for sustainable development? Divide the class in two groups and hold a
debate on the above topic.
 Prepare a presentation on different ecosystems and how they are benefi cial for the environment.

Life Skills/Critical ThinkingThinking
Fun Time Life Skills/Critical
Fun Time
 Ritu lives in a slum where the residents are facing an acute water crisis. Suggest some ways to Ritu to
conserve water.
 Mahavir uses pesticides and insecticides excessively in his farm to get a good crop. He is not aware of
the harmful effects of these chemicals on the environment. Suggest some alternative eco-friendly ways
to overcome this problem.
 Ramwati uses cow-dung cakes as fuel in her kitchen. She is not aware that these fuels pollute the
environment. Suggest some alternative eco-friendly fuel to her to avoid air pollution.
 Near Ramkhilawan’s village is a chemical factory and the waste from the factory is released in the nearby
river. The villagers drink water from the river. What should the villagers do?
 Deenu is a farmer. The remaining stubble of his crop covers most of his fi elds. Before sowing the next
crop, he has to remove that stubble. Is it advisable to burn that stubble? Justify your answer.

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