The subsidence theory related to the coral reef was propounded by :

• Davis

• Darwin

• Dally

• Dana

Which one of the following scholars is the proponent of the Turbidity Current Theory on the origin of Submarine Canyons ?  

• Salin

• Gregory

• Daly

• Harry Hen

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

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

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

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

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

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

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

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

Which one of the following sequences is the correct form in a littoral zone from land to sea ?

• Backshore , Foreshore , Nearshore , Offshore

• Foreshore , Backshore , Nearshore , Offshore

• Offshore, Nearshore , Foreshore , Backshore

• Nearshore , Offshore , Backshore , Foreshore

ASSERTION (A) : In low latitudes, sea water in th deep cold zone does not freeze.

REASON (R) : The deep sea water does not remain under intense pressure because of its high salinity.

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

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

• (A) is true , but (R) is false.

• (A) is false , but (R) is true

Which on of the followings is the correct average range of the worlwide variations in sea water salinity ?

• 34% to 37%

• 27% to 29%

• 37% to 39%

• 21% to 26%

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

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

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

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

Which one of the following coasts has narrow continental shelf ?

• Northern Australia

• China

• Canada

• Western coast of South America

10.

Which one of the following marine features is not supporting for speedy growth of coral reefs ?

• Around a lagoon

• Near to small channel

• Close to island shore

• Guyots and seamounts