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Forests: Our Lifeline Mock Tests

23 questions available

Forests: Our Lifeline Mock Test 1

Questions: 23

Sample Questions

Class 7 Science
Forests play a key role in maintaining the balance of which two gases in the atmosphere?
A Oxygen and Nitrogen
B Oxygen and Carbon dioxide
C Carbon dioxide and Nitrogen
D Oxygen and Hydrogen
Class 7 Science
Trees absorb which gas from the atmosphere during photosynthesis?
A Carbon dioxide
B Nitrogen
C Hydrogen
D Helium
Class 7 Science
Which forest product is used for making natural rubber?
A Teak
B Gum
C Latex
D Sandalwood
Class 6 Science
Forest fires cause all of the following EXCEPT: a) Loss of trees and wildlife b) Air pollution c) Increase in rainfall d) Soil erosion
A Loss of trees and wildlife
B Air pollution
C Increase in rainfall
D Soil erosion
Class 7 Science
Which layer of the forest provides food and shelter to a large variety of animals?
A Canopy layer
B Ground layer
C Understory
D Root layer
Class 7 Science
In a forest, which group of organisms breaks down dead plants and animals into manure?
A Herbivores
B Decomposers
C Producers
D Scavengers
Class 6 Science
Decomposers in a forest convert dead organisms into:
A Carbon dioxide only
B Humus (nutrient-rich material)
C Oxygen only
D Mineral water
Class 6 Science
In a forest, the layer of vegetation that grows directly beneath the tall trees is called the:
A Canopy
B Shrub layer
C Soil layer
D Root layer

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