Class 8 Conservation Of Plants And Animals CBSE Questions & Answers

Class 8 · Conservation Of Plants And Animals

This is Science Class 8 Conservation of Plants and Animals 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) Biodiversity consists of all non-living components.ii) Decrease in snake population will decrease the population of frogs too.
  • A
    statement ii) is correct but i) is wrong
  • B
    both are correct
  • C
    statement i) is correct but ii) is wrong
  • D
    both are wrong
    Correct
2
Extinction of plants and animals will cause?
  • A
    evolution of new species
  • B
    rapid depletion of resources
  • C
    damage to food chain
    Correct
  • D
    loss of natural habitat
3
Read the following statements :i) Siberian cranes are migratory birds.ii) They normally move in winter from India to Siberia.
  • A
    statement ii) is correct but i) is wrong
  • B
    statement i) is correct but ii) is wrong
    Correct
  • C
    both are correct
  • D
    both are wrong
4
We need to protect forests to conserve :
  • A
    water
  • B
    all of these
    Correct
  • C
    air
  • D
    land
5
Causes of habitat destruction for sure includes:
  • A
    all of them
  • B
    construction of dams
    Correct
  • C
    drought
  • D
    Volcanic eruptions
6
If we cut a few trees we must :
  • A
    add fertilizers
  • B
    plant more trees
    Correct
  • C
    practice crop rotation
  • D
    add manure to soil
7
A protected area that combines benefits of both conservation and sustainable use of resource is:
  • A
    national park
  • B
    sanctuary
  • C
    biosphere reserve
    Correct
  • D
    botanical garden
8
Finest teak of India is obtained from:
  • A
    Forests of Satpura
    Correct
  • B
    Forests of Kaziranga national park
  • C
    Forests of Kanha national park
  • D
    Sunderbans
9
We need to protect environment for:
  • A
    cycling of nutrients
  • B
    production of food
  • C
    survival
    Correct
  • D
    cleanliness
10
Some people visited a forest and cooked food in an area where trees shed leaves result was:
  • A
    food poisoning
  • B
    reforestation
  • C
    forest fire
    Correct
  • D
    soil erosion
11
Species is a group of population capable of:
  • A
    interfeeding
  • B
    intercommunication
  • C
    interequilibrium
  • D
    interbreeding
    Correct
12
Crop failure occurred in Mohan
  • A
    desertification
  • B
    drought
    Correct
  • C
    acid rain
  • D
    endangered rain
13
Read the following statements :i) Overexploitation of a wild species is a threat to wild flora.ii) Introduction of other species into a habitat doesn
  • A
    statement i) is correct but ii) is wrong
    Correct
  • B
    both are correct
  • C
    statement ii) is correct but i) is wrong
  • D
    both are wrong
14
We conserve biodiversity by:
  • A
    biosphere reserve
  • B
    all of these
    Correct
  • C
    botanical gardens
  • D
    sanctuaries
15
Some popular activities that are dependent upon biodiversity are:
  • A
    aquarium
  • B
    herbarium
  • C
    gardening
  • D
    all of these
    Correct