Questions and answers for exam Preparation

MCQs

Total Questions : 292 | Page 30 of 30 pages

Question 291. For short-term climatic predictions, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the Indian sub-continent?

La Nina
Movement of Jet Streams
El Nino and Southern Oscillations
Greenhouse effect on global level

Discuss Question

Answer: Option C. -> El Nino and Southern Oscillations
:
C
Ans. (c)
Explanation
El Nino and Southern oscillation are the reasons associted with occasional weak monsoon rains in Indian sub-continent. El Nino is a warm oceanic current of pacific ocean, near Peru coast of S. America.

Question 292. Consider the following geological phenomena :
1. Development of a fault
2. Movement along a fault
3. Impact produced by a volcanic eruption
4. Folding of rocks
Which of the above cause earthquakes?

1, 2 and 3
2 and 4
1, 3 and 4
1, 2, 3 and 4

Discuss Question

Answer: Option D. -> 1, 2, 3 and 4
:
D
Ans. (d)
Explanation
Faults, thrusts, folds are associated with earth's crust. Impact produced by a volcanic eruption also causes earthquake.