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Geography Practice Quiz 70
10 questions · 12 minutes
12:00
Q1.Which of the following is NOT a major factor of soil formation?
Explanation: Parent rock, climatic factors, topography, organic material, and time as major factors; soil colour is a property determined by parent rock, not a factor itself.
Q2.What determines the colour, texture, and chemical properties of soil?
Explanation: Parent rock 'determines colour, texture, chemical properties, mineral content, permeability.'.
Q3.In the method of mulching, the bare ground between plants is covered with which material?
Explanation: The bare ground between plants is covered with a layer of organic matter like straw.
Q4.What is the purpose of contour barriers?
Explanation: Contour barriers are built along contours and trenches are made in front to collect water, preventing soil loss.
Q5.Which soil conservation method involves making broad flat steps on steep slopes?
Explanation: Terrace farming as making 'broad flat steps or terraces on the steep slopes' to reduce surface run-off and soil erosion.
Q6.In intercropping, how are different crops arranged?
Explanation: Different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash.
Q7.Shelter belts are primarily used in which regions?
Explanation: In the coastal and dry regions, rows of trees are planted to check the wind movement to protect soil cover.
Q8.Which soil conservation method uses rocks piled up to slow down water flow?
Explanation: The text defines rock dam as: 'Rocks are piled up to slow down the flow of water. This prevents gullies and further soil loss.'
Q9.What is the percentage of fresh water on Earth?
Explanation: Fresh water accounts for only about 2.7 per cent.
Q10.Nearly 70% of fresh water occurs as ice sheets and glaciers in which regions?
Explanation: Nearly 70 per cent of this occurs as ice sheets and glaciers in Antarctica, Greenland and mountain regions.
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