MCQs
Total Questions : 639
| Page 10 of 64 pages
Answer: Option B. -> An oblate sphere
Answer: (b)
Answer: (b)
Answer: Option B. -> 4.3 years
Answer: (b)
Answer: (b)
Question 93. Which of the following phenomenon is/are the effect of the rotation of the earth?
- Apparent movement of the Sun, the Moon and the Stars.
- Flatness of the poles and bulge at the equator.
- Occurrence of sunrise, noon and sunset.
- Magnetic field of the earth.
Answer: Option B. -> 1, 2, 3 and 4
Answer: (b)All the given phenomena are the effect of the rotation of the earth. The Earth rotates from the west towards the east.As viewed from the North Star or polestar Polaris, the Earth turns counter-clockwise.
Answer: (b)All the given phenomena are the effect of the rotation of the earth. The Earth rotates from the west towards the east.As viewed from the North Star or polestar Polaris, the Earth turns counter-clockwise.
Answer: Option C. -> Mercury and Venus
Answer: (c)Of the nine planets, only Venus and Mercury have no known natural satellites. A total of 139 moons, or natural satellites, can be found in the vast solar system.
Answer: (c)Of the nine planets, only Venus and Mercury have no known natural satellites. A total of 139 moons, or natural satellites, can be found in the vast solar system.
Question 95. DIRECTIONS :
The following question consist of two statements, one labelled as ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the correct answers to these questions using the codes given below.Assertion (A)
The equatorial regions bulge outwards by about 21 km compared to poles.Reason (R)
Earth’s slow rotation reduces the effect of gravity around the equator.
Codes
The following question consist of two statements, one labelled as ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the correct answers to these questions using the codes given below.Assertion (A)
The equatorial regions bulge outwards by about 21 km compared to poles.Reason (R)
Earth’s slow rotation reduces the effect of gravity around the equator.
Codes
Answer: Option D. -> Both A and R are true and R is the correct explanation of A
Answer: (d)
Answer: (d)
Question 96. Consider the following two statements, one labelled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the code given below:
Assertion (A):
Comets revolve round the sun only in long elliptical orbit.
Reason (R):
A comet develops a tail when it gets close to the sun.
Codes:
Assertion (A):
Comets revolve round the sun only in long elliptical orbit.
Reason (R):
A comet develops a tail when it gets close to the sun.
Codes:
Answer: Option C. -> Both A and R are true, but R is not the correct explanation of A.
Answer: (c)Comets revolve around the sun only in long elliptical orbit. A comet develops a tail when it gets close to the Sun.
Answer: (c)Comets revolve around the sun only in long elliptical orbit. A comet develops a tail when it gets close to the Sun.
Answer: Option D. -> Aluminium
Answer: (d)
Answer: (d)
Answer: Option B. -> Constellation
Answer: (b)Ursa Major constellation lies in the northern sky. Its name means “the great bear,” or “the larger bear,” in Latin. It is one of the best known constellations in the sky.
Answer: (b)Ursa Major constellation lies in the northern sky. Its name means “the great bear,” or “the larger bear,” in Latin. It is one of the best known constellations in the sky.
Question 99. Which of the following statements about Venus is/are true
- Venus is the brightest object in the sky after the sun and the moon.
- The atmosphere of Venus is mostly CO2 making it the hottest planet of our solar system.
- It has a strongmagnetic field and very dense atmosphere.
- It spins in clock-wise direction.
Answer: Option B. -> 1, 2 and 4
Answer: (b)Venus is the brightest object in the sky after the sun and the moon. The atmosphere of Venus is mostly CO2 making it the hottest planet of our Solar System.It spins in clock-wise direction.
Answer: (b)Venus is the brightest object in the sky after the sun and the moon. The atmosphere of Venus is mostly CO2 making it the hottest planet of our Solar System.It spins in clock-wise direction.
Answer: Option D. -> Large Hadron Collider
Answer: (d)The Large Hadron Collider (LHC) is the world’s largest and most powerful particle collider, built by the European Organization for Nuclear Research (CERN) from 1998 to 2008.Its aim is to allow physicists to test the predictions of different theories of particle physics and high-energy physics, and particularly prove or disprove the existence of the theorized Higgs particle[1] and of the large family of new particles predicted by supersymmetric theories.
Answer: (d)The Large Hadron Collider (LHC) is the world’s largest and most powerful particle collider, built by the European Organization for Nuclear Research (CERN) from 1998 to 2008.Its aim is to allow physicists to test the predictions of different theories of particle physics and high-energy physics, and particularly prove or disprove the existence of the theorized Higgs particle[1] and of the large family of new particles predicted by supersymmetric theories.
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