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GeographyMediumAsked in: Bihar · BPSC 68th CCE Pre, 12 Feb 2023

Phalgu, a sacred river flowing in Bihar, is formed by the confluence of which of the following rivers?

  1. A.Mohana and Lilajan rivers
  2. B.Lilajan and Son rivers
  3. C.Son and Mohana rivers
  4. D.More than one of the above

Correct answer

A. Mohana and Lilajan rivers

Explanation

The correct answer is A, Mohana and Lilajan rivers. The Lilajan and the Mohana meet a few kilometres below Bodh Gaya, and from there the combined stream is called the Phalgu. The Lilajan is the old Niranjana, on whose bank the Buddha attained enlightenment at Bodh Gaya. The Phalgu then flows past the city of Gaya, where the Vishnupad temple stands on its bank and Hindus offer pind-daan to their ancestors. For much of the year its bed looks like dry sand, with water flowing beneath it, so it is often called an underground river. Option B is wrong because the Son is a large separate tributary of the Ganga that rises at Amarkantak and joins the Ganga near Patna. Option C is wrong for the same reason, as the Son plays no part in forming the Phalgu. Option D is wrong because only one pair, the Lilajan and the Mohana, forms it. Exam tip: Lilajan plus Mohana make the Phalgu, flowing from Bodh Gaya to Gaya.

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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.