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21
If it rains only for two months which of the following will yield maximum crop per hectare?
Discuss
Answer & Solution
Answer: Option D
Solution:
If it rains only for two months Millets will yield maximum crop per hectare. The crop is favored due to its productivity and short growing season under dry, high-temperature conditions. Millets are indigenous to many parts of the world. The most widely grown millet is pearl millet, which is an important crop in India and parts of Africa.
22
Which one of the following is the correct sequence of crop rotation with a view to increasing soil fertility?
Discuss
Answer & Solution
Answer: Option C
Solution:
Barley, Pea, Wheat, Potato is the correct sequence of crop rotation with a view to increasing soil fertility.
23
The Practice of shifting cultivation is used in
Discuss
Answer & Solution
Answer: Option D
Solution:
The Practice of shifting cultivation is used in Nagaland. Shifting cultivation is mainly practiced by tribal people of north east region. It is known by different names such as jhumming, slash and burn agriculture.
24
The type of crop which is able to fix nitrogen from air is known as
Discuss
Answer & Solution
Answer: Option A
Solution:
The type of crop which is able to fix nitrogen from air is known as Legume. When the plant stores the nitrogen in the roots, it produces a lump on the root called a nitrogen nodule. This is harmless to the plant but very beneficial to your garden.
25
Which of the following is/are correct about shifting cultivation ?
I. It involves no ploughing
II. It is slash and burn agriculture
III. It involves crop rotation
IV. It is combined with transhumance
Discuss
Answer & Solution
Answer: Option D
Solution:
The following that are correct about shifting cultivation are It involves no ploughing and It is slash and burn agriculture.
26
Consider the following crops:
1. Cotton
2. Groundnut
3. Maize
4. Mustard
Which of the above are the Kharif crops?
Discuss
Answer & Solution
Answer: Option B
Solution:
Cotton, Groundnut and Maize are the Kharif crops.
27
The remedy for soil erosion region is-
1. Bordering the region
2. Crop regulation
3. Deforestation
4. Allowing animals for grazing
Discuss
Answer & Solution
Answer: Option A
Solution:
Here 1 and 2 are correct whereas deforestation and allowing animals for grazing exposes the topmost layer of soil to external agents lik soil and wind to easily erode it.
28
Which of the following is NOT a cash crop?
Discuss
Answer & Solution
Answer: Option D
Solution:
Bajara is NOT a cash crop. It is a cereal crop.
29
Which of the following is not a food crop?
Discuss
Answer & Solution
Answer: Option D
Solution:
Cotton is not a food crop. It is a cereal crop. Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose.
30
Which of the following is not a rabi crop?
Discuss
Answer & Solution
Answer: Option B
Solution:
Maize is not a rabi crop. It is a kharif crop. Rabi crops includes-wheat, barley, mustard, peas, gram etc.