Change in Yield

Q.

Groundwater will not be depleted due to.

1. Afforestation

2. Thermal power plant.

3. Loss of forest, and decreased rainfall

4. Cropping of high water demanding crops.

Q.

Can bananas be grown hydroponically?

Q. Which of the following methods helps farmers improve the overall soil quality besides enriching the soil with nutrients?

1. Plantation of drought-tolerant crops
2. Drip irrigation system
3. Labour rotation method
4. Crop rotation method

Q.

What causes depletion of micronutrients in soil?

Q. Which of the following activities is categorised as seasonal employment activity?

1. Jill teaches Economics at the Government School.
2. Will is a baker and specialises in Christmas cakes.
3. Rohan is a farmer who cultivates rice.
4. Mohan is a tailor who specialises in school uniforms.

Q. Identify the modern methods used by farmers to ensure high yield under unfavourable conditions like cultivation in dry land areas where the possibility of irrigation is minimal.

1. Labour rotation method
2. Using seeds of cash crops
3. Modernised irrigation system
4. Planting drought-tolerant crops

Q. Due to which of the following reasons has the production of foodgrains increased in the past?

1. Use of fertilisers
2. Use of pesticides
3. Use of traditional irrigation system
4. Use of traditional seeds

Q. Which of the following crops are genetically modified and need less amount of water than other crops?

1. Drought-tolerant crops
2. Cash crops
3. Plantation crops
4. Horticulture crops

Q. From the options given below, identify the cause of depletion of the underground water level.

1. Extensive use of chemicals
2. High usage of fertilisers
3. Excessive irrigation
4. High involvement of manpower

Q. Which of the following can cause degradation in the quality of soil?

1. Extensive use of chemicals
2. High usage of fertilisers
3. Crop rotation
4. Excessive irrigation