6. Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant
1. It helps in controlling soil erosion and in preventing desertification.
2. It is a rich source of biodiesel.
3. It has nutritional value and is well-adapted to live in cold areas of high altitudes.
4. Its timber is of great commercial value. Which of the statements given above is/are correct?
a) 1 only
b) 2, 3, and 4 only
c) 1 and 3 only
d) 1, 2, 3 and 4
Answer. c)
7. Which of the following is the chief characteristic of ‘mixed farming’?
a) Cultivation of both cash crops and food crops.
b) Cultivation of two or more crops in the same field.
c) Rearing of animals and cultivation of crops together.
d) None of the above.
Answer. c)
8. A particular State in India has the following characteristics:
1. It is located on the same latitude which passes through northern Rajasthan.
2. It has over 80% of its area under forest cover.
3. Over 12% of forest cover constitutes a Protected Area Network in this State.
Which one among the following States has all the above characteristics?
a) Arunachal Pradesh
b) Assam
c) Himachal Pradesh
d) Uttarakhand
Answer. A)
9. Consider the following factors:
1. Rotation of the Earth
2. Air pressure and wind
3. Density of ocean water
4. Revolution of the Earth
Which of the above factors influences the ocean currents?
a) 1 and 2 only
b) 1, 2 and 3
c) 1 and 4
d) 2, 3 and 4
Answer. b)
10. With reference to the wetlands of India, consider the following statements:
1. The country’s total geographical area under the category of wetlands is recorded more in Gujarat as compared to other States.
2. In India, the total geographical area of coastal wetlands is larger than that of inland wetlands.
Which of the statements given above is/are correct?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Answer. a)
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