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) Plant life of an area is called fauna.ii) Animal community of a particular habitat is called vulnerable community.
  • A
    both are correct
  • B
    statement ii) is correct but i) is wrong
  • C
    both are wrong
    Correct
  • D
    statement i) is correct but ii) is wrong
2
A miserly use of resources refers to :
  • A
    biodiversification
  • B
    migration
  • C
    conservation
    Correct
  • D
    threatening resources
3
Read the following statements :i) Conservation provides individual or commercial benefits.ii) Conservation is same as preservation.
  • 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
Which of the following factors are responsible for wearing away of top soil?
  • A
    wind
  • B
    overgrazing
  • C
    water
  • D
    all of these
    Correct
5
Different types of animals, plants and microbes in a particular area constitutes its:
  • A
    flora and fauna
  • B
    biodiversity
    Correct
  • C
    conservation and variation
  • D
    global richness index
6
Read the following statements :i) restocking of destroyed forest is done by planting new trees.ii) reforestation is done by planting new trees.
  • A
    both are correct
    Correct
  • B
    statement i) is correct but ii) is wrong
  • C
    statement ii) is correct but i) is wrong
  • D
    both are wrong
7
Read the following statements :i) When we kill a small sized animal loss can be ignored.ii) We have food webs in ecosystem that compensate for loss of species always.
  • A
    statement i) is correct but ii) is wrong
  • B
    both are wrong
    Correct
  • C
    both are correct
  • D
    statement ii) is correct but i) is wrong
8
The term which represents richest biodiversity is :
  • A
    biodiversity hot spots
  • B
    tropical biodiversity
  • C
    global biodiversity
    Correct
  • D
    continental biodiversity
9
Read the following statements :i) Global warming is a threat to biodiversity.ii) Coral reefs will be all lost if global warming stops.
  • 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
10
Conservational biology is closely related to :
  • A
    biomagnification
  • B
    waste management
  • C
    bioremediation
  • D
    ecology
    Correct
11
Most biodiversity hotspots are located in the :
  • A
    none of them
  • B
    tropics
    Correct
  • C
    temperate areas
  • D
    polar regions
12
Read the following statements :i)Conservation is replacing present resources with new ones.ii) Conservation can be done ex situ as well as in situ.
  • A
    statement ii) is correct but i) is wrong
    Correct
  • B
    statement i) is correct but ii) is wrong
  • C
    both are wrong
  • D
    both are correct
13
Size of an animal will represent its :
  • A
    none of these
    Correct
  • B
    evolutionary trend
  • C
    energy level
  • D
    social life
14
Read the following statements :i) Loss of biodiversity has contributed to poverty.ii) To conserve biodiversity we must take lessons from paeleontological past.
  • A
    statement i) is correct but ii) is wrong
  • B
    both are wrong
  • C
    statement ii) is correct but i) is wrong
  • D
    both are correct
    Correct
15
The biosphere consists of a extensive network of inter-connected :-
  • A
    food chains
  • B
    continents
  • C
    forests
  • D
    ecosystems
    Correct