73.
The main percentage of the volume of water in the hydrosphere is in
A. oceans and seas
B. groundwater’s, rivers and streams
C. glaciers and ice sheets
D. freshwater lakes and water vapours
Answer & Explanation
Answer: Option A
Explanation:
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74.
The longest epoch of the tertiary period is
A. Palaeocene B. Eocene
C. Oligocene D. Miocene
Answer & Explanation
Answer: Option B
Explanation:
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75.
The main watershed of most of the peninsular river lies in the
A. Aravalli hills
B. Raj Mahal hills
C. Siwalik hills
D. Western Ghats
Answer & Explanation
Answer: Option D
Explanation:
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76.
The longest day (shortest night) in the southern hemisphere is
A. June 21
B. December 22
C. July 21
D. November 22
Answer & Explanation
Answer: Option B
Explanation:
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77.
The most obvious effect of pressure on rocks is
A. foliation B. lineation
C. lithification D. the reorientation of mineral crystals
Answer & Explanation
Answer: Option D
Explanation:
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78.
The longest era of the classification of the history of earth is
A. Cainozoic era
B. Pre-Cambrian era
C. Palaeozoic era
D. Mesozoic era
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question.