universe & solar system section 9 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
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Question : 46 [UPPCS (Pre) 2003]
Assertion (A):
A black hole is an astronomical entity that cannot be seen by telescope.
Reason (R):
The gravitational field on a black hole is so strong that it does not allow even light to escape.
In the context of the above statements, which one of the following is correct?
a) (A) is true, but (R) is false
b) (A) is false, but (R) is true
c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
d) Both (A) and (R) are true and (R) is the correct explanation of (A)
Answer »Answer: (d)
Question : 47
Equator is
a) forms a plane that runs perpendicular to the earth’s axis
b) all of these
c) lies exactly midway between the North and South poles
d) an imaginary line of latitude that circles the globe in an east-west direction
Answer »Answer: (b)
The Equator is an imaginary line of latitude that circles the globe in an east-west direction. It lies exactly midway between the North and South poles. It forms a plane that runs perpendicular to the earth’s axis.
Question : 48 [IAS (Pre) 2002]
Which one of the following statements is correct with reference to our solar system?
a) The Sun contains 75 percent of the mass of the solar system
b) The diameter of the Sun is 190 times that of the Earth
c) The predominant element in the composition of Earth is silicon
d) The Earth is the densest of all the planets in our solar system
Answer »Answer: (d)
Question : 49
The black part of the moon is always calm and dark which is called
a) Area of storms
b) None of these
c) Ocean of storms
d) Sea of tranquility
Answer »Answer: (d)
The black part of the moon is called sea of tranquility. Sea of tranquility is not an actual sea but rather the point at which Apollo 11 first landed when it reached the moon.
It is a lunar mare that mainly consists of basalt rock and is located on the Tranquillitatis basin which is on the Moon. The mare has a tint that is slightly blue in color and stands out from the rest of the moon.
Question : 50
Global Positioning System (GPS) is associated with
- determining latitude and longitude
- constellation of satellites
- US system of GPS and Russian system of GLONASS
- navigation
a) 2 and 3
b) All of these
c) 1 and 4
d) 1, 3 and 4
Answer »Answer: (d)
The Global Positioning System (GPS) is a space-based radio-navigation system owned by the United States government and operated by the United States Air Force.
It is a global navigation satellite system that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. The GPS system operates independently of any telephonic or internet reception, though these technologies can enhance the usefulness of the GPS positioning information.
The GPS system provides critical positioning capabilities to military, civil, and commercial users around the world. The United States government created the system, maintains it, and makes it freely accessible to anyone with a GPS receiver. However, the US government can selectively deny access to the system, as happened to the Indian military in 1999 during the Kargil War.
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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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