Crop Production and Management MCQ

Crop Production and Management MCQ Chapter 1 objective questions science Science Class 8 

1. How plant make their food?

  • a. Photosynthesis.
  • b. Engulfing.
  • c. Eating.
  • d. None.
Answer
a. Photosynthesis.

2. Various functions that happen in our body are:

  • a. Digestion.
  • b. Respiration.
  • c. Excretion.
  • d. All
Answer
d. All
Explanation
we absorb food in our bod through digestion. Breathing in and out is respiration. Removal of unwanted and undigested substance is excretion.

3. We get our food from:

  • a. Plants.
  • b. Animals.
  • c. Both.
  • d. None.
Answer
c. Both.

4. How can we complete the food demands of a large number of people.

  • a. Crop rotation.
  • b. Large Scale Crop production.
  • c. Both.
  • d. None.
Answer
b. Large Scale Crop production.

5. Till 10000 b.c. humans were:

  • a. Crop producer.
  • b. Food gatherer.
  • c. Nomadic.
  • d. None.
Answer
c. Nomadic.
Explanation
Old humans were nomadic. They did not have home and did not knew farming. Once there was no fruit and animals, they switched to another area.

6. A crop is a production of :

  • a. Wheat.
  • b. Plants of the same kind.
  • c. Plants of any kind.
  • d. Harvest of will plants.
Answer
b. Plants of same kind.

7. We sow this crop in the rainy season.

  • a. Rabi.
  • b. Kharif.
  • c. Both.
  • d. None.
Answer
b. Kharif.
Explanation
June to September

8. Rabi crow grows in:

  • a. Winter.
  • b. October to March.
  • c. June to September.
  • d. a and b.
Answer
d. a and b.

9. Which of the following is a Rabi crop?

  • a. Wheat
  • b. Gram and linseed
  • c. Pea and mustard
  • d. All
Answer
d. All

10. Which of the following is a Kharif crop?

  • a. Paddy and maize.
  • b. Soyabean and groundnut.
  • c. Cotton.
  • d. All.
Answer
. All

11. Cultivation of crop requires numerous activities/practices. These agricultural practices are:

  • a. Soil preparation and sowing of seeds.
  • b. Irrigation and addition of manure.
  • c. Weed removal and storage.
  • d. All of the above.
Answer
d. All of the above.

12. Loosen soil helps in the growth of:

  • a. Earthworm.
  • b. Plant friendly microbes
  • c. Both.
  • d. None.
Answer
c. Both.

13. The process of loosening or turning of soil is:

  • a. Tilling or plowing.
  • b. Sowing.
  • c. harvesting.
  • d. Storage.
Answer
a. Tilling or plowing.

14. Big clump of soil formed during plowing is

  • a. Rock stone
  • b. Sand dust.
  • c. Crumb.
  • d. None
Answer
c. Crumb.

15.Some gram seed float on the surface of the water. They are:

  • a. Heavy seeds.
  • b. High-quality seeds.
  • c. Low-quality seeds.
  • d. None.
Answer
c. Low quality seeds.
Explanation
Damaged seeds become hollow from inside. They float on water.

16. Why do we use fertilizer

  • a. Soil is scarce in our country
  • b. Fertilizers increase crop production.
  • c. Fertilizer keeps disease-causing organisms away.
  • d. They eliminate other unwanted plants (weeds)
Answer
b. Fertilizers increase crop production.

17. How do we produce fertilizer

  • a. through decomposing the cow dung.
  • b. By chemical process in factories.
  • c. Occurs naturally.
  • d. None
Answer
b. By chemical process in factories.
?

18. Which among these will produce the highest crop production

  • a. Moong with soil and some decompost.
  • b.Moong seeds with organic manure.
  • c. Moong with soil and some urea.
  • d. All will have same production
Answer
c. Moong with soil an some urea.
Explanation
Decompost and organic manure increase the crop production but amount of nutrient is lesser than what plant get from fertilizers like urea, NPK etc. So growth and production is higher with urea.

19. Following is/are the method to increase crop production:

  • a. Use of fertilizer.
  • b. Crop rotation.
  • c. Mixed cropping.
  • d. All three.
Answer
d. All three.

20.The traditional method of irrigation among these are:

  • a. Moat (pulley system)
  • b. Dekhli.
  • c. Chain pump and rahat.
  • d. All three.
Answer
d. All three.

21. Modern method of irrigation includes:

  • a. Sprinkler system
  • b. Drip
  • c. Rahat
  • d. a and b
Answer
d. a and b

22. 2, 4-D is:

  • a. Fertilizer
  • b. Manure
  • c. Weedicide
  • d. Compost
Answer
c. Weedicide

23. The use of Combine is in:

  • a. Plantation
  • b. Weed removal
  • c. Harvesting and thrashing
  • d. None
Answer
c. Harvesting and thrashing

24. Removal of seed from the chaff is:

  • a. Plantation
  • b. Weed removal
  • c. Harvesting
  • d. Thrashing
Answer
d. Thrashing

25. Farmers store a large amount of produced grains in

  • a. Silos
  • b. Granaries.
  • c. Tank.
  • d. a and b
Answer
d. a and b

26. Animal husbandry is:

  • a. Large scale rearing of animals in farms.
  • b. Rearing of animals at home.
  • c. Rearing of bees.
  • d. None.
Answer
a. Large scale rearing of animals in farms.

See also: Crop Production and Management Paheli Boojho Answer

Science class 8 MCQ

Crop Production and Management MCQ Chapter 1 objective questions science

Ref: Ncert.

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