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
Exotic species create _____ for endemic species:
  • A
    competition
    Correct
  • B
    excess food
  • C
    liberation
  • D
    community mutualism
2
One of the most important causes of biodiversity is :
  • A
    varied human populations
  • B
    varied developmental levels of nations
  • C
    varied climatic zones
    Correct
  • D
    varied interrelationships among organisms
3
Most of the biodiversity hotspots are :
  • A
    deserts
  • B
    forests
    Correct
  • C
    grasslands
  • D
    oceans
4
Which of these is a well known migratory species?
  • A
    Dodo
  • B
    golden finches
  • C
    Albatross
    Correct
  • D
    Archaeopteryx
5
Identify animal in the given image :
Question 5 figure 1
  • A
    Endangered elephant species
  • B
    African Elephant
  • C
    Mammoth
    Correct
  • D
    Indian Elephant
6
A habitat change may:
  • A
    create many endemic species
  • B
    cause destruction of the new habitat
  • C
    increase the number of a given species
  • D
    decrease the number of a given species
    Correct
7
Which extinct animal it is :
Question 7 figure 1
  • A
    Tasmanian panda
  • B
    Tasmanian hyena
  • C
    Tasmanian tiger
    Correct
  • D
    Tasmanian cheetah
8
Removal of fertile top soil will cause:
  • A
    extinction
  • B
    desertification
    Correct
  • C
    biofortification
  • D
    nitrogen fixation
9
Read the following statements: i)Tiger and lion both are big cats. ii)Gir forest is a lion reserve.
  • A
    both are wrong
  • B
    statement i) is correct but ii) is wrong
  • C
    statement ii) is correct but i) is wrong
  • D
    both are correct
    Correct
10
Maintaining the nature as it is, refers to:
  • A
    reforestation
  • B
    conservation
  • C
    preservation
    Correct
  • D
    migration
11
Read the following statements :i) Function of ecosystem is to allow flow of energy through abiotic components.ii) Ecosystem maintains transfer of organic matter.
  • A
    statement i) is correct but ii) is wrong
  • B
    both are correct
  • C
    statement ii) is correct but i) is wrong
    Correct
  • D
    both are wrong
12
Which of the following tiger species is/are already extinct :
  • A
    Caspian tiger
  • B
    Siberian tiger
  • C
    Javan tiger
  • D
    both Javan tiger & Caspian tiger
    Correct
13
Read the following statements :i) Animals cannot be maintained outside their habitats.ii) Plants can be maintained outside their habitats in botanical gardens.
  • A
    both are wrong
  • B
    both are correct
  • C
    statement i) is correct but ii) is wrong
  • D
    statement ii) is correct but i) is wrong
    Correct
14
The existence of endemic species is under threat due to:
  • A
    increasing human population
  • B
    exotic species
  • C
    all of these
    Correct
  • D
    habitat destruction
15
Read the following statements :i) A species is exotic when no member of that species is still alive.ii) Passenger pigeon became extinct in 1914.
  • A
    statement i) is correct but ii) is wrong
  • B
    both are wrong
  • C
    statement ii) is correct but i) is wrong
    Correct
  • D
    both are correct