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| 21. |
Temperature increases in ________ . |
| A. |
Stratosphere |
B. |
Thermosphere |
| C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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| 22. |
________ provides earliest flying conditions: |
| A. |
Mesosphere |
B. |
Stratosphere |
| C. |
Hetrosphere |
D. |
None of these |
Answer: Option B
Explanation:
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| 23. |
Magnetosphere is the second name of _______ : |
| A. |
Hetrosphere |
B. |
Mesosphere |
| C. |
Thermosphere |
D. |
None of these |
Answer: Option C
Explanation:
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| 24. |
The average height of troposphere from surface is ______ km: |
Answer: Option B
Explanation:
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| 25. |
Above surface between 50 and 80 km the layer of decreasing temperature is called ______: |
| A. |
Stratosphere |
B. |
Mesosphere |
| C. |
Troposphere |
D. |
Stratosphere |
| E. |
Thermosphere |
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Answer: Option A
Explanation:
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