Page 107 - IT_Play_V1.0 Class9
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4. Why is controlled grazing important in soil conservation?
i. It promotes overuse of the land ii. It prevents overgrazing and soil degradation
iii. It destroys natural vegetation iv. It increases soil erosion
5. Which method helps conserve water in agriculture?
i. Judicious water use ii. Overwatering crops
iii. Reducing irrigation iv. Excessive use of pesticides
6. Which is an example of a non-renewable energy resource?
i. Solar energy ii. Wind energy iii. Coal iv. Geothermal energy
7. What does well-managed (sustainable) transport aim to reduce?
i. Human mobility ii. Environmental damage and costs
iii. Car manufacturing iv. Population growth
8. Bio-toilets are designed to help:
i. Decrease food waste ii. Improve sanitation
iii. Save water iv. Produce renewable energy
B. Fill in the blanks.
1. Water resources cover approximately .................................. of Earth’s surface and are vital for life.
2. High-input agriculture, though boosting food production, has caused soil and .................................. degradation.
3. .................................. is derived from petroleum and is used for cooking and as a fuel for vehicles.
4. Encouraging and practicing green .................................. is the second category of development that helps a healthy
life for all.
5. India’s economy can “grow green” by reducing .................................. while supporting economic growth.
6. The Modern DEEP Chulha is an .................................. cooking stove created by the Society of Development and
Environment Protection.
C. State whether the following statements are true or false:
1. Repurposing materials means finding new uses for items instead of throwing them away. ......................
2. Waste management is essential for reducing pollution and managing resources responsibly. ......................
3. Watershed management supports vegetation and ensures sustainable water use. ......................
4. Rainwater harvesting systems are useful only in urban areas. ......................
5. Preservation techniques reduce the shelf life of food. ......................
Section B (Subjective Type Questions)
A. Answer the following questions:
1. Differentiate between renewable and non-renewable resources. Give examples.
2. How does industrialisation contribute to environmental degradation?
3. What is global warming, and what are its primary causes?
4. List two ways to conserve energy.
5. List the sectors where green job exist.
21 st
B. Application-based question. Century #Critical Thinking
Skills
1. Sunita’s family has the option to install a solar water heater or continue using an electric geyser. Discuss the
environmental and economic benefits of choosing a solar water heater over the electric geyser.
2. Priya noticed that her kitchen taps were leaking, and she found that she was using more water than necessary.
How can Priya conserve water in her daily activities?
Green Skills-I 105

