Class 8th Science MCQs | Chapter 1 Crop Production and Management

1. In agriculture, broadcasting is used for:

(a) ploughing the fields

(b) rotating the crops

(c) removing the weeds

(d) sowing the seeds

Correct Option: ( d )

2. Fish liver oil is rich in :

A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D

(a) A and B

(b) B and C

(c) A and D

(d) only D

Correct Option: ( c )

3. Which of the following cannot be provided to the soil by a chemical fertiliser ?

(a) nitrogen

(b) humus

(c) potassium

(d) phosphorus

Correct Option: ( b )

4. Which of the following is not grown by transplantation ?

(a) chillies

(b) tomatoes

(c) paddy

(d) papaya

Correct Option: ( d )

5. The Rhizobium bacteria present in the root nodules of pea plants can fix one of the following from the atmosphere. This one is :

(a) hydrogen

(b) oxygen

(c) nitrogen

(d) halogen

Correct Option: ( c )

6. The food obtained from animals is very rich in:

(a) fats

(b) carbohydrates

(c) minerals

(d) proteins

Correct Option: ( d )

7. The Government Agency responsible for purchasing grains from the farmers, safe storage and distribution is:

(a) CBI

(b) FBI

(c) FCI

(d) FDI

Correct Option: ( c )

8. The process of removing unwanted plants from a crop field is called:

(a) breeding

(b) weeding

(c) transplanting

(d) harvesting

Correct Option: ( b )

9. The two crops which are not grown by sowing their seeds directly into the soil in large fields are: A. Peas B. Tomatoes C. Chillies D. Maize

(a) A and B

(b) B and C

(c) A and C

(d) only C

Correct Option: ( b )

10. The best technique of watering the fruit plants and trees is:

(a) chain pump system

(b) sprinkler system

(c) moat (pulley system)

(d) drip system

Correct Option: ( d )

11. Which of the following methods is not a traditional method of irrigation?

(a) Drip irrigation

(b) Moat

(c) Chain pump

(d) Dhekli

Correct Option: ( a )

12. Broadcasting is a method of

(a) irrigation

(b) levelling the soil

(c) sowing seeds

(d) harvesting

Correct Option: ( c )

13. A combine is used for

(a) levelling

(b) ploughing

(c) harvesting

(d) sowing seeds

Correct Option: ( c )

14. Which of these is not a fertiliser?

(a) CAN (Calcium Ammonium Nitrate)

(b) Diammonium phosphate

(c) Urea

(d) Manure

Correct Option: ( a )

15. Which of these is not a pesticide?

(a) DDT

(b) BHC

(c) Gammaxene

(d) MCPA

Correct Option: ( d )

16. Field fallow is done

(a) in the winter season only

(b) so that farmers can grow other crops in the same field

(c) to replenish the lost nutrients in the soil by natural means

(d) to kill weeds

Correct Option: ( c )


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