universe & solar system section 6 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
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universe & solar system section 13
Question : 33
Which of the following phenomena might have influenced the evolution of organisms?
- Continental drift
- Glacial cycles.
a) 2 only
b) Both 1 and 2
c) 1 only
d) (CSAT - 2014)
e) Neither 1 nor 2
Answer »Answer: (a)
Continental Drift and Glacial Cycles have influenced the evolution of organisms. Continental drift is the movement of the Earth’s continents relative to each other by appearing to drift across the ocean bed.
A glacial period is an interval of time within an ice age that is marked by glacier advances.
Question : 34
The distance of Moon from the Earth is
a) 350 thousand kms.
b) 446 thousand kms.
c) 300 thousand kms.
d) 364 thousand kms.
Answer »Answer: (d)
The distance of the moon from the Earth is 364 thousand km. The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System.
It is the largest natural satellite of a planet in the Solar System relative to the size of its primary, having 27% the diameter and 60% the density of Earth, resulting in 1/81 its mass.
Question : 35
Consider the following statements regarding asteroids:
- Asteroids are rocky debris of varying sizes orbiting the Sun.
- Most of the asteroids are small but some have diameter as large as 1000 km.
- The orbit of asteroids lies between orbits of Jupiter and Saturn.
a) 1 and 3 only
b) 1, 2 and 3
c) 2 and 3 only
d) 1 and 2 only
Answer »Answer: (d)
Asteroids are rocky debris of varying sizes orbiting the Sun. They are generally small but some have a diameter of 1000 km. Asteroids are minor planets whose orbits lie between Jupiter and Mars.
These are said to be the fragments of a larger planet disrupted long ago. Their number is estimated to be 30,000 pieces of rocky debris out of which more than half are known.
IMPORTANT indian geography mcq EXERCISES
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Universe, solar system and Astronomy Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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