Class 7 Forests Our Lifeline CBSE Questions & Answers

Class 7 · Forests Our Lifeline

This is Science Class 7 Forests Our Lifeline CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
If forest disappear, the amount of carbon dioxide increase that cause
  • A
    Decrease the earth temperature
  • B
    Increase the rainfall
  • C
    Increase the ground water
  • D
    Increase the earth temperature
    Correct
2
Forests are reservoir of
  • A
    Carbon dioxide
  • B
    Oxygen
  • C
    Nutrients
  • D
    Living world
    Correct
3
Decaying leaves and dropping in forest increase the
  • A
    Soil erosion
  • B
    Soil fertility
    Correct
  • C
    Soil nesting
  • D
    Soil formation
4
If forest disappear
  • A
    Amount of carbon dioxide in air increase
    Correct
  • B
    Amount of nitrogen in air decrease
  • C
    Amount of oxygen in air increase
  • D
    Amount of carbon dioxide in air decrease
5
Which of the following is an incorrect statement?
  • A
    Forest purify the air
  • B
    Plants increase soil erosion
    Correct
  • C
    Plants decrease soil erosion
  • D
    Forest influence the climate
6
Mushroom and micro-organisms eat
  • A
    Soil
  • B
    Rice
  • C
    Humus
    Correct
  • D
    Wax
7
What was the aim of Chipko movement?
  • A
    Human right
  • B
    Agricultural exposition
  • C
    Political right
  • D
    Forest conservation
    Correct
8
The Buxa tiger reserve is situated in
  • A
    West Bengal
    Correct
  • B
    Gujarat
  • C
    Madhya Pradesh
  • D
    Assam
9
Mithun is an example of
  • A
    Endemic species
    Correct
  • B
    Endangered species
  • C
    Extinct species
  • D
    Rare species
10
Sound of birds and animals are
  • A
    Common in forests
    Correct
  • B
    In agricultural field
  • C
    In gardens
  • D
    All of these
11
Which community in India is famous for protecting black buck?
  • A
    Bishnois
    Correct
  • B
    All of these
  • C
    Santhali
  • D
    Dogras
12
Forest are life line for
  • A
    Peasants
  • B
    Government
  • C
    Forest dwelling communities
    Correct
  • D
    Industrialist
13
Forest influence
  • A
    Climate and water cycle only
  • B
    Climate, water cycle and air quality
    Correct
  • C
    Climate and air quality only
  • D
    Water cycle and air quality only
14
Insects, butterfly, honey bee and birds help the flowering plants in
  • A
    Fertilization
  • B
    Evolution
  • C
    Transportation
  • D
    Pollination
    Correct
15
Forest is the purifier of
  • A
    Water and soil
  • B
    Air and soil
  • C
    Climate and weather
  • D
    Air and water
    Correct