Deforestation Test

Deforestation

This is online test 02 for CBSE class 12 Biology Environmental Issues (Deforestation).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
Chipko movement is connected with
  • A
    Conservation of natural resources
  • B
    Plant/forest conservation
    Correct
  • C
    Project tiger
  • D
    Plant breeding
2
Deforestation is the conversion of
  • A
    Non-forested areas to forested area.
  • B
    Removal of top soil by flood
  • C
    Planting of trees on deserts
  • D
    Forested areas to non-forested ones.
    Correct
3
Almost 40% of forest is lost in
  • A
    Equatorial regions
  • B
    Polar regions
  • C
    Temperate regions
  • D
    Tropical regions
    Correct
4
Jhum cultivation is also known as
  • A
    Temporary agriculture
  • B
    Transfer agriculture
  • C
    Slash and burn agriculture
    Correct
  • D
    Short and hot agriculture
5
The process of restoring a forest that once existed but was removed at some point of time is called
  • A
    Reforestation
    Correct
  • B
    Horticulture
  • C
    Deforestation
  • D
    Agro culture
6
Deforestation is the major causal agent of
  • A
    Environmental pollution
  • B
    Depletion of natural resources
  • C
    Genetic erosion
  • D
    Desertification of habitat
    Correct
7
Social forestry is
  • A
    Growing and management of useful plants on common lands.
    Correct
  • B
    Management of forest by cooperative societies.
  • C
    Growing one type of trees.
  • D
    Growing different types of plants together.
8
If we remove half of the forest cover of earth, the crisis that will
  • A
    The remaining forest will correct the imbalance.
  • B
    Population, pollution and ecological imbalance will rise.
    Correct
  • C
    Energy crisis will commence
  • D
    Many species may become extinct.
9
Assertion: Deforestation causes loss of biodiversity. Reason: Loss of biodiversity occurs due to habitat loss of organisms.
  • A
    Assertion is correct but reason is incorrect.
  • B
    Reason do not explain the assertion correctly.
  • C
    Both assertion and reason are correct.
    Correct
  • D
    Both assertion and reason are incorrect.
10
Major consequence of deforestation includes I. Enhanced carbon dioxide concentration in atmosphere. II. Loss of biodiversity III. Soil erosion IV. Flood and drought
  • A
    All statements are correct.
  • B
    Statement II, III and IV are correct.
  • C
    Statement I, II and IV are correct only.
  • D
    Statement I, II and III are correct only.
    Correct