A tropical cyclone was located 500 kms South-west of Vishakhapatnam . The cyclone first moved 250 kms in North-west direction and then suddenly changed the direction to the North-east . Which of the following ports would raise the highest danger signal ?

• Chennai

• Haldia

• Vishakhapatnam 

• Tuticorin

ASSERTION (A) : The eastern coast of India is affected by tropical cyclone more than the western coast.

REASON (R) : Tropical cyclone originates only in Bay of Bengal.

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

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

• (A) is correct , but (R) is false.

• (A) is false , but (R) is correct.

   

• a-iii , b-iv , c-i , d-ii

• a-i , b-ii , c-iii , d-iv

• a-iv , b-iii , c-ii , d-i

• a-ii , b-i , c-iii , d-iv

Which one of the following phenomenon shown in the sketch given below is incorrect ?

• Normal Lapse Rate

• Upper surface inersion

• Lower surface inversion

• Environmental lapse rate

Which atmosheric gas filters out most of the ultraviolet radiation in sunlight ?

• Argon

• Carbon di-oxide

• Ozone

• Helium

Which one of the following best describes surfaces air circulation in a Northern Hemisphere anticyclone ?

• Divergent-Clockwise

• Convergent-Counter clockwise

• Stationary

• Inward-Clockwise

Which type of front has the steepest slope ?

• Warm front

• Cold front

• Stationary front

• Occluded front

Which one of the following pairs is not correctly matched ?

• Evaporation - The process of converting a liquid to a gas

• Condensation - The change of state from a gas to liquid

• Element - A substance that cannot be decomposed into simpler substances by ordinary chemical or physical means

• Conduction - Tiny bits of particulate matter that serve as surfaces on which water vapour condenses

139.

Which one of the following used 'Precipitation effectiveness' and 'Thermal efficiency' as the basis of world's climatic classification ?

• Trewartha

• Thorntwaithe

• Koppen

• Kendrew

ASSERTION (A) : The boundary between two air masses of different density is known as a front.

REASON (R) : The differences in density is caused by the differences in temperature and humidity.

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

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

• (A) is false , but (R) is true.

• (A) is true , but (R) is false.