Ice Crystal Theory related to precipitation was postulated by :

• Muir

• Darwin

• Bergeron

• Boven

Which is the following instrument is used for the determination of degree of stability or instability of an air parcel ?

• Viscometer

• Radiosondes

• SONAR

• pH meter

Given below are the two statements, one labelled as Assertion(A)and the other labelled as Reason(R). Select your answer from the code given below :

ASSERTION(A) : Antarctica is constantly snow-covered but receives less than 8cm annual precipitation.

REASON(R) : Constant speedy wind blow in Antarctica.

• Code A : Both (A) & (R) are true and (R) is the correct explanation of (A).

• Code B : Both (A) and (R) are true, but (R) is not the correct explanation of (A)

• Code C : (A) is true, but (R) is false.

• Code D : (A) is false, but (R) is true.

4.

Whihc of the following latitudes is known as the "Calms of Cancer" ?

• 66 1/2 degree S

• 66 1/2 degree N

• 25 degree N

• 25 degree S

• (a)-(iv) , (b)-(iii) , (c)-(ii) , (d)-(i)

• (a)-(i) , (b)-(ii) , (c)-(iii) , (d)-(iv)

• (a)-(iii) , (b)-(iv) , (c)-(i) , (d)-(ii)

• (a)-(ii) , (b)-(i) , (c)-(iv) , (d)-(iii)

The American climatologist C.W. Thornthwaite revise the scheme of the classification of world climates in which one of the following years ?

• 1931

• 1934

• 1941

• 1948

ASSERTION(A) : The monsoon of the southern and eastern Asia driven by the location and size of the Asian landmass and its proximity to the Indian Ocean.

REASON(R) : The wind and pressure patterns in the upper air ciculation are associated with the generation of monsoonal flows.

• Both (A) and (R) are true and (R) is the correct explanation of (A)

• Both (A) and (R) are true but (R) is not a correct explanation of (A)

• (A) is true , but (R) is false.

• (A) is false , but (R) is true.

Which one of the followings is the main source for a vast reservoir of relatively inert nitrogen in the atmosphere?

• Volcanic activities

• Fossil fuel burning

• Acid rain

• Global warming

ASSERTION (A) : Energy flow shifts from production to respiration in the entrophic stage, with oxygen demand exceeding oxygen availability.

REASON (R) : Stratosphere ozone layer depletion causes skin diseases. 

• Both (A) and (R) are true but (R) is the correct explanation of (A).

• Both (A) and (R) are true but (R) is not the correct explanation of (A).

• (A) is true but (R) is false.

• (A) is false but (R) is true.

Which one of the following dates is correct for the normal withdrawl of the south-west monsoon from Indian Territory ?

• September 1

• September 5

• September 10

• September 15