Rainfall

Total Questions: 28

11. Consider the following statements and select the correct answer using the codes given below: [U.P.P.C.S. (Pre) 2008]

Assertion (A) : Inland waterways are not well developed in India.
Reason (R) : Most parts of India receive rainfall only for four months in a year.
Code:

(a) ) Both (A) and (R) are true, and (R) is the correct explanation of (A)
(b) Both (A) and (R) are true, but (R) is NOT the correct explanation of (A).
(c) (A) is true, but (R) is false
(d) (A) is false, but (R) is true

Correct Answer: (a) ) Both (A) and (R) are true, and (R) is the correct explanation of (A)

Solution:Inland waterways are not well developed in India and one of the important reasons for that is India receives rainfall only for four months in a year. Due to less availability of water in rivers waterways are not properly developed. Hence both (A) and (R) are true and (R) is the correct explanation of (A).

12. Cherrapunji is situated: [Chhattisgarh P.C.S.(Pre) 2019]

(a) Naga Hills
(b) Garo Hills
(c) Khasi Hills
(d) Mikir Hills

Correct Answer: (c) Khasi Hills

Solution:Cherrapunji is situated on the Khasi hills in the state of Meghalaya. It's on the windward side of the Khasi hills and receives heavy rainfall from the Bay of Bengal branch of the monsoon. Cherrapunji is located on a plateau that's 600 meters above the surrounding valleys. The terrain around Cherrapunji is undulating with pockets of shrubs. The steep slopes in the gorges are covered by tropical rain forests. Cherrapunji was once considered the wettest place on Earth, but nearby Mawsynram now holds that distinction. Cherrapunji still holds the record for the most rainfall in a calendar month and in a year.

13. Which one of the following places has the lowest rainfall during the South-West Monsoon? [U.P.P.C.S.(Pre) 2016]

(a) Kolkata
(b) Mangalore
(c) Chennai
(d) Delhi

Correct Answer: (c) Chennai

Solution:South-western monsoon is active from 1 June to 30 September. Maximum rainfall in India occurs due to this monsoon. Chennai receives the lowest rainfall from the south-western monsoon. Chennai receives maximum rainfall from north-eastern monsoon.

14. India gets maximum rainfall mainly from- [48th to 52nd B.P.S.C.(Pre) 2008]

(a) North-East Monsoon
(b) Retreating Monsoon
(c) South-West Monsoon
(d) Convectional rainfall

Correct Answer: (c) South-West Monsoon

Solution:During April and May when the Sun Shines between equator and the Tropic of Cancer (North Hemisphere), the large land mass in the north of Indian Ocean gets intensely heated. This causes the formation of intense low pressure in the northwestern part of the subcontinent followed by the northward shift in the position of Inter Tropical Convergence Zone (ITCZ). The south-west monsoon may thus, be seen as the continuation of the southeast trades deflected towards the Indian subcontinent after crossing the Equator. Southwest monsoon enters India in two rain-bearing systems. First originates in the Bay of Bengal causing rainfall over the plains of north India. Second is the Arabian Sea current of the south-west monsoon which brings rain to the west coast of India. According to data provided by Indian Meteorological Department for the year 2021, south-west monsoon supplies almost the entire rainfall.

15. The state which receives maximum rainfall due to North-East monsoon is: [U.P.P.C.S.(Pre) 2009]

(a) Assam
(b) West Bengal
(c) Tamil Nadu
(d) Odisha

Correct Answer: (c) Tamil Nadu

Solution:Tamil Nadu, located in south-east peninsular India, receives the major part of its annual rainfall during the North-East monsoon season. Tamil Nadu receives about 50-60% of its annual rainfall during Northeast monsoon.

16. Which amongst the following States gets the highest average annual rainfall? [U.P.P.C.S.(MAINS) 2016]

(a) Arunachal Pradesh
(b) Sikkim
(c) Kerala
(d) Jammu and Kashmir

Correct Answer: (b) Sikkim

Solution:When the question was asked option (b) was correct, but according to data provided by Metrological department for the year 2021.

State/UTs	Average Annual Rainfall (mm)
Arunachal Pradesh	2083.8
Sikkim	3043.3
Kerala	3606.3
Jammu and Kashmir	894.7

Notably, the highest average annual rainfall occurs in Goa (3947.2mm).

17. Which among the following pairs of places have most marked differences in total annual rainfalls even though located approximately along the same latitude? [I.A.S. (Pre) 1993]

(a) Bengaluru and Chennai
(b) Mumbai and Vishakhapatnam
(c) Ajmer and Shillong
(d) Nagpur and Kolkata.

Correct Answer: (c) Ajmer and Shillong

Solution:Among the given pairs Ajmer and Shillong are located along the same latitude i.e.,26°-27°North. But according to data of rainfall statistics of India, 2021 Ajmer is 587mm per annum whereas in Shillong (East Khasi District), rainfall is 5160.8 mm per annum.

18. The average annual temperature of a meteorological station is 26°C, its average annual rainfall is 63cm and the annual range temperature is 9°C. The station in question is: [I.A.S. (Pre) 2002]

(a) Allahabad
(b) Chennai
(c) Cherrapunji
(d) Kolkata

Correct Answer: (b) Chennai

Solution:According to Indian Meteorology Station data, the average temperature of Chennai is 24°C in winter whereas 30°C in summer. The average rainfall is 60-70 cm. The average temperature of Tamil Nadu for the whole year is 26°C. its annual range temperature is 8 to 9°C. So the correct answer is option (b).

19. Which one of the following is the correctly sequence of the given Indian cities in the decreasing order of their normal annual rainfall? [I.A.S. (Pre) 2005]

(a) Kochi-Kolkata-Delhi-Patna
(b) Kolkata-Kochi-Patna-Delhi
(c) Kochi-Kolkata-Patna-Delhi
(d) Kolkata-Kochi-Delhi-Patna

Correct Answer: (c) Kochi-Kolkata-Patna-Delhi

Solution:When the question was asked option (c) was correct, According to data of Rainfall Statistics, the correct sequence of the annual rainfall of the given cities in the year 2021 in descending order was-

Place	Rainfall(mm)
Kochi (Ernakulum)	3931.9
Kolkata	2451.5
Patna	1099.6
Delhi (New Delhi)	904.4 (1187.1)

It is notable that the highest rainfall in India occurs at Mawsynram, Meghalaya.

20. Mango shower is - [43rd B.P.S.C. (Pre) 1994]

(a) Shower of mangoes
(b) Dropping of mangoes
(c) Rainfall in March-April in Bihar and Bengal
(d) Crop of mango

Correct Answer: (c) Rainfall in March-April in Bihar and Bengal

Solution:Mango shower is the name of pre-monsoon showers in Karnataka and Kerala that helps in the ripening of mangoes, It is also known as April rains or summer showers. The reason for the Mango showers is the thunderstorms over the Bay of Bengal. The shower prevents mangoes from dropping prematurely.

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