universe & solar system section 7 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
universe & solar system section 1
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universe & solar system section 13
Question : 16
The axis of rotation of the earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?
a) At Mumbai the sun can come overhead, but it will never do so at Delhi
b) At Delhi, the sun can come overhead but it will never do so at Mumbai
c) The sun will never come overhead at either of these places
d) The sun can come overhead at both these places
Answer »Answer: (a)
Question : 17 [NDA 2009- I]
Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?
a) Black hole
b) Supernova Star
c) White Dwarf
d) Neutron Star
Answer »Answer: (a)
Black holes are objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough. The term “black hole” was coined in 1967 by John Wheeler.
Question : 18
Which of the following statements regarding the Deccan Traps is/are correct?
- Intense volcanic activity in the form of fissure eruption took place towards the end of Cretaceous period.
- The volcanic lava spread out in horizontal sheets.
- The regur soil found here is rich in nitrogen.
a) 3 only
b) 1 only
c) 1, 2 and 3
d) 1 and 2
Answer »Answer: (c)
Question : 19
The last stage in the life cycle of a star is
a) Red Giant
b) White Dwarf
c) Supernova
d) Black Hole
Answer »Answer: (b)
The last stage in the life circle of a star is white dwarf. Small stars, like the Sun, will undergo a relatively peaceful and beautiful death that sees them pass through a planetary nebula phase to become a white dwarf.
Question : 20
Consider the following statements:
- The Earth is nearest to the Sun on about January 3.
- Earth is farthest from the Sun on about July 4.
a) Both 1 and 2
b) Neither 1 nor 2
c) 2 only
d) 1 only
Answer »Answer: (a)
On January 3, our Earth made its closest approach to the Sun for the year-- an event astronomers call perihelion. At perihelion, the Earth is about 147.5 million km away from the Sun.
The Earth is farthest from the Sun on 4th July.
IMPORTANT indian geography mcq EXERCISES
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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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