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GeographyMediumAsked in: NDA · NDA-I 2020, GAT

The duration of monsoon in India extends for an average period of

  1. A.80-140 days
  2. B.100-120 days
  3. C.90-130 days
  4. D.100-140 days

Correct answer

B. 100-120 days

Explanation

The correct answer is B, 100-120 days. The south-west monsoon usually lasts about 100 to 120 days, from early June to about mid-September.

The monsoon reaches the Kerala coast around 1 June and spreads over almost the whole country by early to mid-July. It then begins to withdraw from north-west India in September and leaves the south of the peninsula by about December. Within this season, rain does not fall every day: wet spells alternate with dry 'breaks in the monsoon', which is why the same season can bring floods in one region and drought in another.

A is wrong because a spread of 80 to 140 days is far wider than the usual duration of the monsoon. C is wrong because 90 to 130 days is not the standard figure; the season does not begin that early or end that late on average. D is wrong because 140 days overstates the normal length; the 100-120 day range is the accepted average.

Exam tip: monsoon onset over Kerala about 1 June, average duration 100-120 days.

Practice Questions

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Q1.GeographyAsked in: CDS · CDS-II 2024, GKHard

Which of the following pairs of Himalayan Glaciers and their location is/are correctly matched?

1. Siachen - Nubra Valley Region

2. Chungphar - Kumaon-Garhwal Region

3. Zemu - Central Nepal Region

4. Gasherbrum - Pir Panjal Range

Select the answer using the code given below :

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

Only the Siachen pair is correct. The Siachen Glacier, about 76 km long, lies in the eastern Karakoram, and its meltwater gives rise to the Nubra river, which joins the Shyok; the Nubra Valley of Ladakh lies below its snout, so the glacier belongs to the Nubra Valley region.

Q2.GeographyAsked in: CDS · CDS-II 2025, GKEasy

Indore city in Madhya Pradesh is situated in which one of the following regions ?

  1. A.Bundelkhand
  2. B.Mahakoshal
  3. C.Malwa Plateau
  4. D.Nimar Region
Show answer
Correct answer: C. Malwa Plateau

Indore stands on the Malwa Plateau in western Madhya Pradesh. Malwa is a volcanic upland of basalt rock, part of the Deccan Traps, lying north of the Vindhya Range; its black soil supports soybean, wheat and cotton, and the region also takes in Ujjain, Dewas, Ratlam and Mandsaur.

Q3.GeographyAsked in: CDS · CDS-II 2016, GKHard

With regard to water transportation in India, which of the following statements are correct?

1. Headquarters of Central Inland Water Transport Corporation is located at Delhi.

2. Headquarters of Inland Waterways Authority of India is located at Noida.

3. National Inland Navigation Institute is located at Kolkata.

4. First National Inland Waterway was between Haldia and Allahabad.

Select the correct answer using the code given below.

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

Statements 2 and 4 are correct, while statements 1 and 3 name the wrong city. The Inland Waterways Authority of India (IWAI), set up in 1986, has its headquarters at Noida in Uttar Pradesh and develops and regulates the national waterways.

Q4.GeographyAsked in: CDS · CDS-I 2017, GKEasy

Which one of the following statements with regard to the Indian Railways is not correct?

  1. A.The Indian rail networks have been developed throughout the Konkan coast.
  2. B.There is very low density of railway lines in the Himalayan region.
  3. C.The north Indian plain has a dense network of railway.
  4. D.At present, India has the largest railway network in the world.
Show answer
Correct answer: D. At present, India has the largest railway network in the world.

India does not have the largest railway network in the world; the United States has the longest, followed by China and Russia, with India in fourth place.

Q5.GeographyAsked in: CDS · CDS-II 2017, GKMedium

Statement I : The interior part of Maharashtra does not receive adequate rain in the summer season.

Statement II : The interior part of Maharashtra lies in the rain shadow of the Western Ghats.

  1. A.Both the statements are individually true and Statement II is the correct explanation of Statement I
  2. B.Both the statements are individually true but Statement II is not the correct explanation of Statement I
  3. C.Statement I is true but Statement II is false
  4. D.Statement I is false but Statement II is true
Show answer
Correct answer: A. Both the statements are individually true and Statement II is the correct explanation of Statement I

Both statements are true, and the rain shadow of the Western Ghats is exactly why interior Maharashtra gets little rain.