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
Read the following statements:i. Field must be left fallow for some time.ii. During field fallow only green manure plants should be grown but no crops.
  • A
    both are wrong
  • B
    both are correct
  • C
    Statement i) is correct and ii) is wrong
    Correct
  • D
    Statement ii) is correct and i) is wrong
2
The type of crop shown in the following image is:
Question 2 figure 1
  • A
    pulses
  • B
    fibre crop
    Correct
  • C
    spices
  • D
    beverage crop
3
Vegetables may have coating of pesticides hence must be :
  • A
    eaten raw after washing
  • B
    not consumed ever
  • C
    washed properly
    Correct
  • D
    cooked without washing
4
Chemical pesticides are poisonous hence following precaution should be taken :
  • A
    consuming medicine before going to field.
  • B
    keeping nose and mouth covered.
    Correct
  • C
    spraying with filters on the sprayer.
  • D
    applying antiseptic cream on exposed areas.
5
Read the following statements :i) Paddy do not need standing water.ii) Gram needs continuous irrigation hence planted in standing water.
  • A
    Statement ii) is correct and i) is wrong
  • B
    Statement i) is correct and ii) is wrong
  • C
    both are correct
  • D
    both are wrong
    Correct
6
Weeds compete with crop plants for:
  • A
    minerals
  • B
    water
  • C
    all of these
    Correct
  • D
    sunlight
7
Fodder crop examples are :
  • A
    Amaranthus & Alfalfa
  • B
    Chenopodium & Alfalfa
  • C
    Burseem & Alfalfa
    Correct
  • D
    Parthenium & Amaranthus
8
CAN & NPK are :
  • A
    green manures
  • B
    pesticides
  • C
    mixed fertilisers
    Correct
  • D
    biofertilizer
9
The method in which seeds are dropped in localised pits :
  • A
    dibbling method
    Correct
  • B
    drilling method
  • C
    broadcasting method
  • D
    transplantation method
10
Read the following statements :i) Traditional methods of irrigation use manpower or animal power.ii) Modern methods of irrigation are based on economic use of water.
  • A
    Statement i) is correct and ii) is wrong
  • B
    both are correct
    Correct
  • C
    both are wrong
  • D
    Statement ii) is correct and i) is wrong
11
The best way for protection against plant disease is :
  • A
    spraying pesticides
  • B
    proper irrigation via modern methods.
  • C
    sowing disease resistant seed variety
    Correct
  • D
    putting a scarecrow in the field
12
Read the following statements :i) Seed drill sows seeds non uniformly.ii) Seed drill covers seeds with soil after sowing.
  • A
    Statement ii) is correct and i) is wrong
    Correct
  • B
    both are wrong
  • C
    Statement i) is correct and ii) is wrong
  • D
    both are correct
13
Select the crop sown in june/july and harvested in September/October :
  • A
    barley
  • B
    gram
  • C
    potato
  • D
    pulses
    Correct
14
Seeds that float over water should not be used for sowing because :
  • A
    they are hollow
  • B
    they are light
  • C
    they are damaged
  • D
    all options are correct
    Correct
15
Match the following :agricultural practice…………..implement usedi) breaking crumbs……………a) drillii) harvesting…………………..b) spadeiii) tilling………………………..c) khurpaiv) sowing seeds……………...d) ploughv) digging soil…………………e) soil plank
  • A
    i.e,ii.c,iii.d, iv.a, v.b
    Correct
  • B
    i.d,ii.a,iii.b, iv.e, v.c
  • C
    i.c,ii.e,iii.d, iv.a, v.b
  • D
    i.b,ii.d,iii.e, iv.c, v.a