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GeographyEasyAsked in: NDA · NDA (II) 2023, 3 Sep 2023

Which one of the following crops is generally benefitted by the rain caused by western disturbances in India?

  1. A.Rice
  2. B.Wheat
  3. C.Bajra
  4. D.Cotton

Correct answer

B. Wheat

Explanation

The correct answer is B, Wheat. Western disturbances are low-pressure systems that originate over the Mediterranean Sea and travel eastward with the subtropical westerly jet stream in winter, bringing light rain to Punjab, Haryana, western Uttar Pradesh and Delhi, and snow to the Himalaya, between December and February. Wheat is the main rabi crop, sown in October and November and harvested in March and April, and it needs cool weather and a little rain during its growing period; this winter rain, called mahawat in north India, is described as gold for wheat because it saves a round of irrigation and improves the grain. A, Rice, is a kharif crop that depends on the heavy rain of the south-west monsoon. C, Bajra, is a kharif millet of the dry areas of Rajasthan and Gujarat, grown on monsoon rain. D, Cotton, is also a kharif crop, sown at the start of the monsoon and picked in autumn. Exam tip: western disturbances bring the winter rain of north-west India, which is good for the rabi crops wheat, barley, gram and mustard.

Practice Questions

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Q2.GeographyAsked in: CDS · CDS-II 2017, GKMedium

Which of the following statements is/are correct? 1. Himalayan rivers have their origin in the snow-covered areas, hence are dry in winter season. 2. Rivers of the Peninsular Plateau have reached maturity. 3. Himalayan rivers depict all the three stages of normal cycle of erosion. Select the correct answer using the code given below.

  1. A.2 only
  2. B.1 and 3 only
  3. C.2 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: C. 2 and 3 only

Himalayan rivers are perennial, so statement 1 is wrong, while statements 2 and 3 are correct. Himalayan rivers such as the Ganga, Indus and Brahmaputra rise from glaciers and snowfields and also get monsoon rain, so they flow all year round, including in winter.

Q3.GeographyAsked in: CDS · CDS-II 2017, GKMedium

Which of the following statements related to latitude are true? 1. Rainfall, temperature and vegetation vary with latitude. 2. The difference between the longest day and the shortest day increases with latitude. 3. Indira Point is located approximately at 6°45' N latitude. Select the correct answer using the code given below.

  1. A.1 and 2 only
  2. B.1 and 3 only
  3. C.2 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: D. 1, 2 and 3

All three statements about latitude are true. Latitude decides how directly the Sun's rays strike a place, so temperature, rainfall and the type of vegetation change from the equator towards the poles, from hot, wet rainforests to cold tundra.

Q4.GeographyAsked in: CDS · CDS-II 2017, GKMedium

Which of the following lakes is/are situated in Ladakh? 1. Tso Kar 2. Pangong Tso 3. Tsomgo 4. Tso Moriri Select the correct answer using the code given below.

  1. A.1 only
  2. B.2 and 3
  3. C.1, 2 and 4
  4. D.2 and 4 only
Show answer
Correct answer: C. 1, 2 and 4

Tso Kar, Pangong Tso and Tso Moriri are high-altitude lakes of Ladakh, while Tsomgo lies in Sikkim. Pangong Tso, at about 4,350 metres, is a long, narrow lake that stretches from Ladakh into Tibet, and most of its length lies on the Chinese side.