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MCQs

Total Questions : 292 | Page 28 of 30 pages
Question 271. What type of volcano Is Vesuvius?
  1.    Extinct
  2.    Dead
  3.    Dormant
  4.    Active volcano
 Discuss Question
Answer: Option A. -> Extinct
:
A
Ans. (A)
Question 272. Volcanic region 'Ring of Fire' surrounds-
  1.    Arabian sea
  2.    Indian ocean
  3.    Pacific ocean
  4.    Atlantic ocean
 Discuss Question
Answer: Option C. -> Pacific ocean
:
C
Ans. (C)
Question 273. The air pressure decreases, when-
  1.    we go up
  2.    we go down
  3.    we go up or down
  4.    none of these
 Discuss Question
Answer: Option A. -> we go up
:
A
Ans. (a)
Question 274. Entering in which of the layer of atmosphere do Meteors usually burn up?
  1.    Troposphere
  2.    Mesosphere
  3.    Stratosphere
  4.    Mesosphere
 Discuss Question
Answer: Option D. -> Mesosphere
:
D
Ans. (d)
Question 275. Which ocean is the busiest from the trade point of view?
  1.    Pacific
  2.    Atlantic
  3.    Indian
  4.    Arctic
 Discuss Question
Answer: Option B. -> Atlantic
:
B
Ans. (b)
Question 276. The continent which remains permanently frozen is-
  1.    Australia
  2.    South America
  3.    Antarctica
  4.    Africa
 Discuss Question
Answer: Option C. -> Antarctica
:
C
Ans. (c)
Question 277. The gas which protects us from the harmful effects of the sun's rays is-
  1.    Nitrogen
  2.    Ozone
  3.    Argon
  4.    Carbon dioxide
 Discuss Question
Answer: Option B. -> Ozone
:
B
Ans. (b)
Question 278. Which continent is known as Island continent?
  1.    Africa
  2.    Asia
  3.    Australia
  4.    Europe
 Discuss Question
Answer: Option C. -> Australia
:
C
Ans. (c)
Question 279. Which of the following is not part of a good scientific theory?
  1.    A scientific theory must explain a wide variety of phenomena observed in the natural world.
  2.    A scientific theory should be based on natural processes and should not invoke the supernatural or divine.
  3.    A scientific theory cannot be accepted until it has been proven true beyond all doubt.
  4.    A scientific theory must make testable predictions that, if found to be incorrect, could lead to its own modification or demise.
 Discuss Question
Answer: Option C. -> A scientific theory cannot be accepted until it has been proven true beyond all doubt.
:
C
Question 280. Which of the following best describes how modern astronomers view astrology?
  1.    Astrology is a synonym for astronomy.
  2.    Astrology played an important part in the development of astronomy in ancient times, but it is not a science by modern standards.
  3.    Astrology was a great idea until it was disproved by the work of Copernicus, Tycho, Kepler, and Galileo.
  4.    Astrology is new age mumbo-jumbo that was a waste of time when it was invented thousands of years ago and remains a waste of time today.
 Discuss Question
Answer: Option B. -> Astrology played an important part in the development of astronomy in ancient times, but it is not a science by modern standards.
:
B

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