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GeographyMediumAsked in: NDA · NDA (II) 2024, 1 Sep 2024

In which among the following states in India, the Sun rays are never perpendicular? 1. Bihar 2. Chhattisgarh 3. Manipur 4. Rajasthan

  1. A.1 and 2
  2. B.1 and 3
  3. C.2 and 3
  4. D.2 and 4

Correct answer

B. 1 and 3

Explanation

The correct answer is B, 1 and 3, that is Bihar and Manipur. The Sun is overhead, with its rays vertical at noon, only at places between the Tropic of Cancer (23.5 degrees N) and the Tropic of Capricorn (23.5 degrees S). The Tropic of Cancer crosses India through eight states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram. Any state lying wholly north of this line never gets vertical rays. Bihar stretches roughly from 24.3 to 27.5 degrees N and Manipur from about 23.8 to 25.7 degrees N, so both lie entirely north of the tropic and the Sun is never directly overhead there. A and C are wrong because they include Chhattisgarh, and D is wrong because it includes Rajasthan; the Tropic of Cancer passes through both, so their southern parts do receive vertical rays around 21 June. Exam tip: memorise the eight tropic states, Gujarat, Rajasthan, MP, Chhattisgarh, Jharkhand, West Bengal, Tripura, Mizoram; states such as Bihar, UP, Punjab, Manipur and Assam lie north of the line.

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.