UPSC 2001 › Geography › Atmosphere & Climatology

5 questions · 2001 · answers as per the UPSC key

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The temperature and rainfall of a meteorological station are given below: JFMAMJJASOND Temperature (°C): 9.4 10.6 11.7 12.2 13.3 13.9 13.9 14.4 15.6 15.0 13.3 10.6 Rainfall (cm): 12.2 9.1 7.9 2.5 1.8 0.3 – – 0.8 2.5 6.1 11.7 Average Temperature: 12.8 °C

Average Rainfall: 54.9 cm per annum

Identify the region having the above climatic pattern from amongst the following:

(a) Mediterranean region
(b) Monsoon region
(c) Steppe region
(d) North-West European region
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Answer: (a) Mediterranean region

Match List I with List II

and select the correct answer using the codes given below the Lists:

List I

(Local Wind)

I. Fohn II. Samun III. Santa Ana IV. Zonda

List II

(Region)

A) Argentina

B) Kurdistan

C) California

D) Alps

Codes:

(a) I-B, II-D, III-A, IV-C
(b) I-D, II-B, III-C, IV-A
(c) I-B, II-D, III-C, IV-A
(d) I-D, II-B, III-A, IV-C
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Answer: (b) I-D, II-B, III-C, IV-A

Assertion (A): Anti-cyclonic conditions are formed in winter season when atmospheric pressure is high and air temperatures are low.

Reason (R): Winter rainfall in Northern India causes development of anticyclonic conditions with low temperatures.

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

Cloudy nights are warmer compared to clear cloudless nights, because clouds

(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
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Answer: (b) reflect back heat given off by Earth

Which of the following weather conditions is indicated by a sudden fall in barometer reading?

(a) Stormy weather
(b) Calm weather
(c) Cold and dry weather
(d) Hot and sunny weather
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Answer: (a) Stormy weather