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Mention one advantage of using tank as a means of irrigation.
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Read the table and identify the pair that is correctly matched:
| Natural Vegetation Belt | Tree | |
| P | Tropical evergreen | Babool |
| Q | Tropical deciduous | Teak |
| R | Littoral | Ebony |
| S | Mountain forest | Banyan |
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Mention one disadvantage of using tank irrigation.
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Name a forest conservation method that involves the local community.
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Name the process which involves planting two saplings for each tree that is felled.
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Mention one advantage of using tank irrigation.
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What is meant by relief?
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State the three methods used to show the earth’s relief features on a map.
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Distinguish between Inundation canals and Perennial canals or Why are Perennial canals more important than inundation canals?
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Give a reason to explain the following:
North India has more area under canal irrigation.
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Distinguish between Inundation Canals and Perennial Canals.
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Give one reason for the following:
Although expensive, yet, sprinkler irrigation is gaining popularity in recent times.
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What is the advantage of using Drip irrigation?
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Why is Drip irrigation not practiced on a large scale in India?
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Study the extract of the Survey of India Map sheet No. G43S7 and answer the following question:
What do you understand by .10r in 2709?
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Give the term used in contour for the following:
A number preceded by a dot.
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Give the term used in contour for the following:
A number preceded by a triangle.
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Give the term used in contour for the following:
The accurate height of some point marked above the ground.
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Give two points of difference between bench mark and spot height.
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Why do the contour of different heights not cross each other?
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