Correct Answer:- Option-C

Question15:-Which of the following statements is/are correct about Dam-site
selection?

i. A water-tight basin of adequate size

ii. A narrow outlet of basin

iii. Opportunity to build an adequate and safe spillway to carry surplus waters

A:-only (ii and iii)

B:-only (i and iii)

C:-all of the above (i, ii and iii)
D:-only (i and ii)

Correct Answer:- Option-C

Question16:-A mass of ice on the flanks of a mountain range formed by the
coalescence of a number of parallel valley glacier is called

A:-Cirque glacier

B:-Niche glacier
C:-Mountain glacier
D:-Piedmont glacier
Correct Answer:- Option-D

Question17:-Which among the following refers to the cold high-pressure winds that
are carried downslopes due to the force of gravity?

A:-Khamsin

B:-Harmattan

C:-Katabatic wind

D:-Anabatic wind

Correct Answer:- Option-C
Question18:-Assertion : Tropical Easterly Jet streams occur near tropopause over
the land area between Africa and Southeast Asia
Reason: The Sub Tropical Jet Streams shift Northwards to the Himalayas in
Summer

A:-Both Assertion and Reason are correct and Reason is the correct
explanation of Assertion

B:-Both Assertion and Reason are correct and Reason is not the correct
explanation of Assertion

C:-Assertion is correct and reason is incorrect
D:-Reason is correct but assertion is incorrect
Correct Answer:- Option-A
Question19:-Match the layers of the atmosphere with respective characteristics

Layers Characteristics
^. Troposphere i. Meteorites burn on entering the atmosphere