NCERT Class 8 Science Chapter 1 Crop Management MCQs

NCERT Class 8 Science Chapter 1 Crop Management Multiple Choice Questions

Question 1. The system of Irrigation, where water is supplied drop by drop near the roots of plants, is called

1. Pulley system
2. Drip system
3. Sprinkler system
4. Lever system

Answer: drip system

Question 2. Weeds are the

1. Main crop plants
2. Insects and pets
3. Unwanted plants growing along the crop
4. Chemical substance

Answer: Unwanted plants along the crop

Question 3. Given below are statements about the harmful effects of wood on crop plants.

1. They interfere with harvesting.
2. They help crop plants grow healthy.
3. They compete with crop plants for water, nutrients, space, and light.
4. They affect the plant growth

Answer: They interfere with harvesting.

NCERT Class 8 Science Chapter 1 Crop Production MCQs With Answers

Choose the correct combination of statements

1. (1),  (3), and (4)
2. Only (3)
3. (3) and (4)
4. (1), (2), and (4)

Answer: 1. (1),  (3), and (4)

Question 4. 2,4-D is a

1. Pesticide
2. Insecticide
3. Fungicide
4. Weedlcide

Answer: Weedicide

Question 5. The term used for the process of separation of grains from chaff is

1. Sieving
2. Winnowing
3. Threshing
4. Hand Picking

Answer: Threshing

Question 6. Why are the grains dried in the Sun before storing them?

1. To keep the grains warm
2. To increase the size of the grains
3. To prepare the grains for germination
4. To reduce the moisture content of the grains

Answer: To reduce the moisture content of the grains

Question 7. How can food Items like milk, eggs, and meat be produced on a large scale?

1. By doing animal husbandry
2. By performing plant harvesting
3. By providing food to the animals
4. By storing grains in big godowns

Answer: By doing animal husbandry

CBSE Class 8 Science Chapter 1 Multiple Choice Questions

Question 8. Which of the following is not a Rabl crop?

1. Linseed
2. Pea
3. Gram
4. Groundnut

Answer: 4 Groundnut

Question 9. What tool should the farmer select to safeguard seeds from animal consumption while sowing?

1. Seed drill as it coats a chemical above the seeds
2. Traditional tool, as many seeds are sewn together
3. Seed drill, as it covers the seeds with soil after sowing
4. A conventional tool as seeds, passes through a funnel-shaped cube

Answer: 3 Seed drill as it covers the seeds with soil after sowing

Question 10. Which of the following statements is incorrect?

1. Freshly harvested grains must be dried before storing.
2. Organic fertiliser has a balance of all plant nutrients
3. Weeding is the process of growing weeds
4. The drip irrigation system is suitable for fruit plants

Answer: 3 Weeding is the process of growing weeds

Question 11. What advantages can the farmer expect from transitioning to using manure after a prolonged period of using fertilisers on his land?

1. It will improve the texture and water retention capacity of the soil.
2. It will decrease the number of earthworms in the soil
3. It will make the soil more compact to hold more water in the roots
4. It will increase particular chemicals in the soil to increase the yield

Answer: 1. It will improve the texture and water retention capacity of soil.

Question 12. Which of the following is not a traditional method of irrigation?

1. Moat
2. Chain pump
3. Sprinkler system
4. Dhekli

Answer: 3. Sprinkler system