1.
What is the main benefit of using drip irrigation in agriculture?
2.
What is the primary source of indoor air pollution in rural areas of developing countries?
3.
Which farming practice helps in maintaining soil fertility and reducing erosion?
4.
Which soil conservation technique involves planting across the slope to reduce soil erosion?
5.
Which of the following is the cleanest burning fossil fuel?
6.
Which process involves the movement of water from plant leaves to the atmosphere?
7.
Which of the following human activities has contributed most to the enhanced greenhouse effect?
8.
Which of the following is a natural source of methane emissions?
9.
Which human activity is a major cause of soil erosion?
10.
Which process in the carbon cycle is responsible for the release of carbon dioxide into the atmosphere from dead organisms?
11.
Which of the following is a primary air pollutant?
12.
Which gas has the highest global warming potential (GWP)?
13.
Which of the following fossil fuels is formed from the remains of marine organisms?
14.
Which strategy is most effective for conserving biodiversity?
15.
Which of the following is a method to recharge groundwater?
16.
Which of the following is a disadvantage of wind energy?
17.
Which of the following practices can improve urban air quality?
18.
Which process in the nitrogen cycle involves the conversion of atmospheric nitrogen into ammonia by bacteria?
19.
Which pollutant is primarily responsible for the formation of acid rain?
20.
Which of the following is a significant threat to freshwater resources?
21.
Which renewable energy source relies on the gravitational pull of the moon and sun?
22.
Which of the following practices can reduce water pollution?
23.
Which of the following elements is essential for plant growth and is often a component of fertilizers?
24.
Which type of water pollution is caused by excessive nutrient runoff from agriculture?
25.
Which of the following renewable resources is derived from living or recently living organisms?