Class 8 Crop Production And Management CBSE Questions & Answers

Class 8 · Crop Production And Management

This is Science Class 8 Crop Production and Management CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Growing different types of crops in pre-planned succession :
  • A
    crop rotation
    Correct
  • B
    mixed cropping
  • C
    field fallow
  • D
    inter cropping
2
The method in which water enters the field through channels made between two rows of crops is :
  • A
    furrow irrigation
    Correct
  • B
    drip system
  • C
    sprinkler system
  • D
    basin irrigation
3
Cereals provide us mainly :
  • A
    fats
  • B
    carbohydrates
    Correct
  • C
    proteins
  • D
    fibre
4
Coconut provides us mainly :
  • A
    fat
    Correct
  • B
    milk
  • C
    protein
  • D
    carbohydrate
5
Peas are rich in:
  • A
    proteins
    Correct
  • B
    carbohydrates
  • C
    vitamins
  • D
    fats
6
Vegetables and fruits provide us:
  • A
    vitamins & proteins
  • B
    carbohydrates & proteins
  • C
    vitamins & minerals
    Correct
  • D
    minerals & carbohydrates
7
_____ are crops grown during winters :
  • A
    Kharif
  • B
    Pulses
  • C
    Rabi
    Correct
  • D
    Cereals
8
The manure prepared from green plants is :
  • A
    all the above
  • B
    FYM
  • C
    Green manure
    Correct
  • D
    Compost
9
Improper use of fertiliser can cause:
  • A
    soil alkalinity & soil acidity
    Correct
  • B
    soil erosion
  • C
    soil acidity only
  • D
    soil acidity and soil erosion
10
Process of watering crop plants in the field at different intervals is :
  • A
    waterlogging
  • B
    rotational watering
  • C
    broadcasting
  • D
    irrigation
    Correct
11
Read the following statements: i. Tilling uproots all unwanted plants.ii. Tilling loosens the soil and mixes fertilisers.
  • A
    both are wrong
  • B
    Statement ii) is wrong and i) is correct
  • C
    both are correct
    Correct
  • D
    Statement i) is wrong and ii) is correct
12
After tilling, soil is _____ with the help of a wooden planck.
  • A
    selected
  • B
    eroded
  • C
    levelled
    Correct
  • D
    irrigated
13
For farmers to decide which crop to be grown in the field depends upon :
  • A
    weather condition
  • B
    water supply
  • C
    soil quality
  • D
    all of these
    Correct
14
Some crops like paddy are first grown in a :
  • A
    pot
  • B
    field rich in nitrogen
  • C
    waterlogged field
  • D
    nursery
    Correct
15
In the drip irrigation method :
  • A
    drop by drop water is supplied
    Correct
  • B
    water drops are sprinkled on crop
  • C
    none of the above
  • D
    droppers are used by farmers to irrigate the field