atmosphere & climatology section 4 MCQ Questions & Answers Detailed Explanation

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The following question based on Atmosphere & Climatology topic of indian geography mcq

Questions : Which among the following statements characterized EI Nino?
  1. It occurs at irregular intervals
  2. It carriers warmer water
  3. It carries less saline water
  4. Its atmospheric equivalent is southern oscillation.
Select the correct, answer using the code given below

(a) II and III only

(b) I and II only

(c) I, II, III and IV

(d) III and IV only

The correct answers to the above question in:

Answer: (c)

EL Nino, unusual warming of surface ocean waters in the eastern tropical Pacific is part of southern oscillation.

Scientists do not know exactly how El Nino forms. It is said that El Nino may have contributed to the 1993 Mississippi and 1995 California floods. The average period length of EL Nino is 5 years.

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Read more atmosphere climatology Based Indian Geography Questions and Answers

Question : 1

Highest altitude clouds are

a) Altostratus

b) Altocumulus

c) Cirrostratus

d) Cumulus

Answer: (c)

Question : 2

Which of the following does not affect the distribution of insolation?

a) Angle of sun’s rays

b) Altitude

c) Ocean currents

d) Length of the day

Answer: (c)

Question : 3

The clouds of the highest altitude are

a) Altostratus

b) Altocumulus

c) Cirrostratus

d) Cumulus

Answer: (c)

The clouds of the highest altitude are Cirrostratus. Cirrostratus cloud is a high, thin, generally uniform stratiform genus-type, composed of ice crystals.

It is difficult to detect and is capable of forming halos when the cloud takes the form of thin cirrostratus nebulosus. The cloud has a fibrous texture with no halos if it is thicker cirrostratus fibratus.

Question : 4

Which one among the following is not a factor that affects direction of wind?

a) Friction

b) Pressure gradient

c) Coriolis effect

d) Magnetism

Answer: (d)

Magnetism is not related with wind direction.

Question : 5

Wind is often found to blow in a hot summer day due to

a) radiation from the soil

b) conduction of heat between air and soil on the Earth

c) None of the above

d) convection current of air

Answer: (b)

Wind is often found to blow in a hot summer day due to conduction of heat between air and soil on the Earth.

Question : 6

Which of the following are not a planetary wind?

a) Westerlies

b) Easterlies

c) Trade winds

d) Drainage winds

Answer: (d)

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