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MCQ Questions for Class 8 Science with Answers
Q1. The supply of water to crops at different intervals is called
(i) watering
(ii) irrigation
(iii) harvesting
(iv) none of these
(ii) irrigation
Q2. Products obtained from the crops are called
(i) yield
(ii) produce
(iii) crop
(iv) fertilisers
(ii) produce
Q3. Cutting mature crop manually or by a machine is called:
(i) Irrigating
(ii) Harvesting
(iii) Breeding
(iv) Weeding
(ii) Harvesting
Q4. Which is pesticides?
(i) 2, 4-dichlorophenoxyacetic acid
(ii) Malathion
(iii) Metolachlor
(iv) Chloroform
(ii) Malathion
Q5. Now a days seed is sown in the field using
(i) Seed Tractor
(ii) Seed drill
(iii) Seed Tiller
(iv) Seed Plough
(iv) Seed Plough
Q6. The sources of irrigation are:
(i) wells
(ii) damr
(iii) canals
(iv) all of these
(iv) all of these
Q7. The unwanted plants that grow along with the crops are called
(i) fertilisers
(ii) manure
(iii) weeds
(iv) kharif crops
(iii) weeds
Q8. The medium of growth for plants is :
(i) Cell
(ii) Soil
(iii) Water
(iv) Air
(ii) Soil
Q9. Rabi crop is harvested in
(i) January
(ii) March
(iii) October
(iv) September
(ii) March
Q10. Growing different crops alternately on the same land is technically called
(i) Crop Alternation
(ii) Crop Rotation
(iii) Crop Revolution
(iv) Crop Change
(ii) Crop Rotation
Q11. Winnowing is a method of separating:
(i) soil from chaff
(ii) grain from chaff
(iii) soil from grain
(iv) none of these
(ii) grain from chaff
Q12. Which of the following is an example of rabi crop?
(i) Potato
(ii) Onion
(iii) Jute
(iv) Pulses
(i) Potato
Q13. The rearing of honey bees on large scale is called:
(i) sericulture
(ii) tissue culture
(iii) pisciculture
(iv) apiculture
(iv) apiculture
Q14. Maize grow well during
(i) June
(ii) January
(iii) April
(iv) September
(i) June
Q15. The farm appliance ‘Combine’ is a combined
(i) Plough and Harvester
(ii) Seed drill cum Thresher
(iii) Harvester and Thresher
(iv) Harvester cum Sprayer
(iii) Harvester and Thresher
Q16. The plant roots containing nitrogen fixing bacteria are:
(i) maize
(ii) potato
(iii) pea
(iv) onion
(iii) pea
Q17. Levelling of soil helps to prevent
(i) soil erosion
(ii) cultivation
(iii) sowing
(iv) drought
(i) soil erosion
Q18. Watering the crops is called:
(i) sowing
(ii) manuring
(iii) tilling
(iv) irrigation
(iv) irrigation
Q19. The agricultural instrument used for removal of weed is
(i) sickle
(ii) khurpi
(iii) seed drill
(iv) plough
(ii) khurpi
Q20. The tool used for removing weeds is:
(i) plough
(iii) hoe
(ii) leveller
(iv) none of these
(iv) none of these
Q21. Before storing, the grains are properly dried in the:
(i) sun
(ii) air
(iii) fan
(iv) none of these
(i) sun
Q22. Which of the following are agricultural implements?
(i) Seed drills
(ii) Silos
(iii) Harrow
(iv) All of these
(iv) All of these
Q23. The manure prepared from green plants is :
(i) FYM
(ii) Compost
(iii) Green manure
(iv) all the above
(iii) Green manure
Q26. Which of the following can make their own food:
(i) humans
(ii) animals
(iii) plants
(iv) all of these
(iii) plants
Q27. The process of separating grains from chaff is known as:
(i) threshing
(ii) harvesting
(iii) winnowing
(iv) transplantation
(i) threshing
Q28. The chemical substances rich in nutrients are called
(i) fertilisers
(ii) weedicides
(iii) pesticides
(iv) herbicides
(i) fertilisers
Q29. Peas are rich in:
(i) vitamins
(ii) carbohydrates
(iii) proteins
(iv) fats
(iii) proteins
Q30. The soil matter formed by decayed organic matter is called
(i) pesticide
(ii) fertiliser
(iii) humus
(iv) biocide
(iii) humus
Q31. Which of the following is not a fertiliser:
(i) urea
(ii) cow-dung
(iii) potash
(iv) super phosphate
(iii) potash
Q32. Agriculture can be defined as:
(i) art of growing vegetables
(ii) art of growing fruits
(iii) art of growing flowers
(iv) all of these
(iv) all of these
Q33. Which of the following is an important factor for the growth of crops?
(i) Temperature
(ii) Flumidity
(iii) Rainfall
(iv) All of the above
(iv) All of the above
Q34. Wheat and gram belong to
(i) Rabi crops
(ii) Kharif crops
(iii) Both of these
(iv) None of these
(i) Rabi crops
Q35. Which simple tool is used to remove weeds?
(i) Sickle
(ii) Plough
(iii) Hoe
(iv) Seed drill
(iii) Hoe
Q36. Animals like horse, donkey that carries load are called
(i) Drought species
(ii) Load carrying Animals
(iii) Dairy Animals
(iv) Draught Animal
(ii) Load carrying Animals
Q37. is an organic matter.
(i) manure
(ii) fertilizer
(iii) weedicide
(iv) pesticide
(i) manure
Q38. Which of the following is used for tilling the land by cultivator?
(i) Tractor
(ii) Bullock
(iii) Buffalo
(iv) Fforse
(i) Tractor
Q39. Seed drill is used to
(i) sow the seeds
(ii) remove the weeds
(iii) remove the pest
(iv) mix manure in the soil
(i) sow the seeds
Q40. The process of separating grain from chaff is called
(i) Threshing
(ii) Weeding
(iii) Sowing
(iv) Winnowing
(iii) Sowing
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