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Natural Resources - Soil (Class - VIII)

Natural Resources - Soil, Class - VIII, science,Crops

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Soil is a/an

  1. exhaustible renewable resource
  2. exhaustible non-renewable resource
  3. inexhaustible resource
  4. inexhaustible non-renewable resource
Question 2 Multiple Choice (Single Answer)

Erosion in deserts takes place by

  1. water
  2. wind
  3. human traffic
  4. sliding
Question 3 Multiple Choice (Single Answer)

Erosion by landslides is more common in

  1. deserts
  2. hills
  3. rivers
  4. forests
Question 4 Multiple Choice (Single Answer)

What kind of soil management method is lay farming?

  1. Mechanical method
  2. Biological method
  3. Agrostological method
  4. Dry farming method
Question 5 Multiple Choice (Single Answer)

What is the loss of upper fertile layer of soil called?

  1. Soil profile
  2. Soil erosion
  3. Stratification
  4. Soil conservation
Question 6 Multiple Choice (Single Answer)

Protection of soil erosion by preparation of field with alternate furrows and ridges is called

  1. mulching
  2. jigsawing
  3. contour farming
  4. ploughing
Question 7 Multiple Choice (Single Answer)

A plant used in agrostological method of soil conservation is

  1. cotton stalk
  2. tobacco stalk
  3. cynodon doctylon
  4. maize stalk
Question 8 Multiple Choice (Single Answer)

How do mulch plants help in preventing erosion?

  1. By reducing run-off erosion
  2. By decreasing soil loss
  3. By checking the flow of water
  4. By reducing soil moisture evaporation
Question 9 Multiple Choice (Single Answer)

What happens in wind strip cropping?

  1. Strips are planted parallel to each other.
  2. Strips are planted in straight parallel rows at 90 degree to the direction of prevailing land.
  3. Strips are planted along the contour at 90 degree to the direction of the slope.
  4. Strips are planted 45 degree to the direction of prevailing land.
Question 10 Multiple Choice (Single Answer)

What does contour terracing involve?

  1. Construction of small basins
  2. Construction of channels at suitable intervals
  3. Preparation of furrows and ridges in the field
  4. Planting the crops in strips
Question 11 Multiple Choice (Single Answer)

Which method of soil conservation puts a check on velocity of wind in deserts?

  1. Decreasing soil pollution
  2. Gully control
  3. Afforestation
  4. Stream bank protection
Question 12 Multiple Choice (Single Answer)

Which process would be controlled by decreased use of weedicides?

  1. Deforestation
  2. Soil pollution
  3. Contour farming
  4. Gully control
Question 13 Multiple Choice (Single Answer)

What is the soil transported by air called?

  1. Eolian sediments
  2. Alluvial
  3. Colluvial
  4. Glacial soil
Question 14 Multiple Choice (Single Answer)

A practical method to control soil erosion is

  1. increasing the population of birds
  2. building more water bodies
  3. increasing the population of plants
  4. decreasing the velocity of wind
Question 15 Multiple Choice (Single Answer)

Which of the following is a wrong match?

  1. Basin listing-Construction of small basins
  2. Agrostological method-Cynodon
  3. Gully control-Preparation of field with alternate furrows and ridges
  4. Mulch-Potato top
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