Natural Resources Test

Natural Resources

This is Natural Resources Test-02 for CBSE class 09 Science.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Match the following with correct response. (1) Prevention of soil erosion (2) Water borne disease (3) Mineral in soil (4) Most fertile layer (A) Cholera (B) Top soil (C) Weathering of parent rock (D) Afforestation
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-B, 2-D, 3-A, 4-C
  • C
    1-D, 2-A, 3-C, 4-B
    Correct
  • D
    1-C, 2-B, 3-D, 4-A
2
Which of the following increases soil erosion A Raising forests B Overgrazing by animals C Step farming D Deforestation
  • A
    (b) and (d) are correct
    Correct
  • B
    All of these
  • C
    (a), (b) and (c) are correct
  • D
    (a) and (b) are correct
3
Weathering of rocks occurs by- A Lichens B Frost C Fossil fuels D fungi
  • A
    (a), (b) and (c) are correct
  • B
    (b) and (c) are correct
  • C
    All of these
  • D
    (a) and (b) are correct
    Correct
4
Which of the following is a non-biodegradable pollutant?
  • A
    Plastic
    Correct
  • B
    Leaves
  • C
    Mud
  • D
    Fruits and vegetables
5
Which of the following is not the cause of water pollution?
  • A
    Bio magnifications
  • B
    Eutrophication
  • C
    Pesticidal toxicity
  • D
    None of these
    Correct
6
Which one is not correct for the use of large amount of fertilizers and pesticides
  • A
    They destroy the soil fertility
  • B
    They affect the useful component from the soil
  • C
    They are eco-friendly
    Correct
  • D
    They turn the fields barren after some time
7
The major cause of ozone depletion has been
  • A
    Pesticides
  • B
    Chlorofluro carbons
    Correct
  • C
    All of the above
  • D
    fertilizers
8
Find the correct statement
  • A
    Water hyacinth can be exploited to control water pollution.
    Correct
  • B
    Forest do not check flood and soil erosion
  • C
    Corbett National park is in the state of U. P.
  • D
    Coal is the common source of energy in Indian Villages.
9
What is ODS?
  • A
    Oxygen decaying substance
  • B
    Oxygen depleting substance
  • C
    Ozone decaying substance
  • D
    Ozone depleting substance
    Correct
10
Toxic chemical released by paper industry is
  • A
    Calcium
  • B
    Nickel.
  • C
    Mercury
    Correct
  • D
    Lead
11
Long exposure of uv light to man cause-
  • A
    Skin cancer
    Correct
  • B
    Loss of hair
  • C
    Loss of vision
  • D
    Loss if skin colour
12
Lichens are sensitive to which component of air pollution?
  • A
    \({\text{N}}{{\text{O}}_{\text{2}}}{\text{ }}\)
  • B
    \({\text{C}}{{\text{O}}_{\text{2}}}{\text{ }}\)
  • C
    CO
  • D
    \({\text{S}}{{\text{O}}_{\text{2}}}\)
    Correct
13
Statement A: Ozone hole was first noticed over Antarctica in 1985. Statement B: Xenobiotic are man – made substances which can easily be degraded by natural process. Which of the two statement is true
  • A
    Both a and b
  • B
    None of these
  • C
    Statement A
    Correct
  • D
    Statement B
14
Match the following with correct response. (1) Water Pollution (2) Air pollution (3) Soil Pollution (4) Thermal pollution (A) Hot water (B) Acid rain (C) Eutrophication (D) Soil erosion
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-C, 2-B, 3-D, 4-A
    Correct
  • C
    1-B, 2-D, 3-A, 4-C
  • D
    1-D, 2-A, 3-C, 4-B
15
Match the following with correct response. (1) Inexhaustible (2) Exhaustible (3) Clean fuel (4) Hot air (A) Minerals (B) Winds (C) CNG (D) Solar energy
  • A
    1-B, 2-D, 3-A, 4-C
  • B
    1-C, 2-B, 3-D, 4-A
  • C
    1-A, 2-C, 3-B, 4-D
  • D
    1-D, 2-A, 3-C, 4-B
    Correct