Multiple Choice QuestionsThe subsidence theory related to the coral reef was propounded by :
Davis
Darwin
Dally
Dana
B.
Darwin
Charles Darwin postulated his subsidence theory in 1837 and modified it in 1842 during voyage on 'Beagle' . Darwin was convinced that coral polyps grow on shallow waters through coral reefs.
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
|
LIST I (FORCE) |
LIST II (SOURCE) |
| (a) Coriolis | (i) Earth's gravity |
| (b) Tidal | (ii) Topographic differences |
| (c) Friction | (iii) Static state |
| (d) Resisting | (iv) Earth's rotation |
(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)
|
LIST I (Ocean Trench) |
LIST II (Depth in meters) |
| (a) Tonga | (i) 7760 |
| (b) Kuril Kamchatka | (ii) 10540 |
| (c) Philippine | (iii) 10880 |
| (d) Romanche | (iv) 10500 |
(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%
|
LIST I (Mid-Oceanic Ridge) |
LIST II (Ocean) |
| (a) Carlsberg Ridge | (i) Pacific Ocean |
| (b) Mid-Atlantic Ridge | (ii) Antarctic Ocean |
| (c) East Pacific Ridge | (iii) Indian Ocean |
| (d) Antarctic Ridge | (iv) Atlantic Ocean |
(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
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
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