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GeographyEasyAsked in: NDA · NDA-I 2019, GAT

Which one of the following ocean currents is NOT a cold ocean current ?

  1. A.Canary current
  2. B.California current
  3. C.Kuroshio current
  4. D.Oyashio current

Correct answer

C. Kuroshio current

Explanation

The correct answer is C, Kuroshio current. The Kuroshio is a warm current that flows north-east along the east coast of Japan, carrying warm tropical water from the North Equatorial Current.

Its name means 'black current' in Japanese, from the deep blue colour of its water. It is the Pacific counterpart of the Gulf Stream in the Atlantic, and like it, it keeps the coasts it washes milder. Off north-east Japan it meets the cold Oyashio, and the mixing of warm and cold water creates one of the world's richest fishing grounds. Warm currents generally flow on the eastern coasts of continents in low and middle latitudes, and cold currents on the western coasts.

A is wrong because the Canary current is a cold current off north-west Africa. B is wrong because the California current is a cold current flowing south along the west coast of North America. D is wrong because the Oyashio, also called the Kurile current, is a cold current flowing south from the Arctic side of the North Pacific.

Exam tip: Kuroshio (warm) meets Oyashio (cold) off Japan, as the Gulf Stream meets the Labrador off Newfoundland.

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.