1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following ocean currents is not a cold ocean current?
A
Canary current
B
California current
C
Kuroshio current
D
Oyashio current
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the time gap in occurrence of two successive tides at a given place on the ocean surface?
A
12 hr
B
12 hr 26 min
C
24 hr
D
24 hr 52 min
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The Sun is seen little before it rises and for a short while after it sets. This is because of
A
total internal reflection
B
atmospheric refraction
C
apparent shift in the direction of Sun
D
dispersion
4
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following can be said to be essentially related to 'Polar Front Theory'?
A
Anticyclone
B
Tropical Cyclone
C
Temperate Cyclone
D
Inter Tropical Convergence
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