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GeographyMediumAsked in: NDA · NDA-II 2022, GAT

Consider the following statements : 1. The Sharavati river creates Jog Falls. 2. The Brahmani river is formed by the confluence of the Kosi and Sankh rivers. 3. The Tamraparni is a river of Tirunelveli district of Tamil Nadu. How many of the above statements is/are correct?

  1. A.1
  2. B.2
  3. C.3
  4. D.None

Correct answer

B. 2

Explanation

The correct answer is B, 2. Statements 1 and 3 are correct; statement 2 is wrong because the Brahmani is formed by the South Koel and the Sankh, not the Kosi.

Jog Falls in Shivamogga district of Karnataka is formed where the Sharavati drops about 253 m in four streams known as Raja, Rani, Roarer and Rocket. The Brahmani begins at Vedvyas near Rourkela in Odisha, where the South Koel and the Sankh meet, and flows to the Bay of Bengal, forming a common delta with the Baitarani. The Tamraparni (Thamirabarani) rises in the Agasthyamalai hills of the Western Ghats and flows through Tirunelveli and Thoothukudi to the Gulf of Mannar; it is one of the few perennial rivers of Tamil Nadu.

A is wrong because two statements, not one, are correct. C is wrong because statement 2 is incorrect. D is wrong because statements 1 and 3 are correct.

Exam tip: Brahmani = South Koel + Sankh at Vedvyas (Rourkela); Jog Falls = Sharavati; Kosi is the "Sorrow of Bihar", a Ganga tributary.

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.