MCQ on Universe (Set-3)

Q. 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) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Consider the following statements.
A person in space craft situated at the mid of Earth and Sun will see that______.

1. Sky is black.
2. Stars do not twinkle.
3. The temperature outside the space craft is more than that of Earth surface

Which of the following is true?
(A) Only 3
(B) 1 and 2
(C) 1 and 3
(D) 1, 2 and 3

Q. Arrange the planets given below in order of increasing distance from Sun?

1. Neptune
2. Earth
3. Jupiter
4. Uranus

Code
(A) 2, 3, 4, 1
(B) 4, 3, 2, 1
(C) 3, 2, 4, 1
(D) 1, 2, 4, 3

Q. Match List-I with List-II and select the correct answer using the code given below the lists.

List-I (Special characteristic)
(a) Smallest planet of the solar system
(b) Largest planet of the solar system
(c) Planet second to the Sun in the solar system
(d) Planet third to the Sun in the solar system
List-II (Name of planet)

1. Mercury
2. Venus
3. Jupiter
4. Earth

Code

Q. Arrange the following in decreasing order of size and select the correct answer from the code given below.

1. Jupiter
2. Uranus
3. Earth
4. Saturn

Code
(A) 1, 4, 3, 2
(B) 4, 1, 2, 3
(C) 1, 4, 2, 3
(D) 4, 1, 3, 2

Q. Match List-I with List-II and select the correct answer using the code given below the lists.
List-I
(a) Planet
(b) Satellite
(c) Comet
(d) Planetoid or Artificial Satellite
List-II

1. Moon
2. Uranus
3. Mariner
4. Halley

Code

Q. Consider the following statements.

1. The albedo of an object determines its visual brightness when viewed with reflected light.
2. The albedo of Mercury is much greater than the albedo of the Earth.

Which of the statements given above is/are correct?
(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2

Q. Assertion (A): Existence of human life on Venus is highly improbable.
Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.
Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Statement (A): Moving from one place on Earth to another place of high latitude, the weight of an object decreases.
Reason (R): Earth is not perfect sphere.
Choose the correct answer by using code given below.
(A) (A) and (R) both are true and (R) explains (A) properly
(B) (A) and (R) both are true, but (R) does not explains (A) properly
(C) (A) is true, but (R) is wrong
(D) (A) is wrong, but (R) is true

Q. Consider the following statements.

1. The axis of the Earth’s magnetic field is inclined at 23 and half degree to the geographic axis of the Earth.
2. The Earth’s magnetic pole in the Northern hemisphere is located on a peninsular in Northern Canada.
3. Earth’s magnetic equator passes through Thumba in South India.

Which of the statements given above is/are correct?
(A) 1, 2 and 3
(B) 2 and 3
(C) Only 2
(D) Only 3

Q. Consider the following statements and select the correct answer from the code given below.

1. The Northern end of the Earth’s axis is called North Pole.
2. 45º latitude is half of the length of the equator.
3. Earth’s axis are parallel.
4. The Earth’s speed of revolution is faster in aphelion position.

Code
(A) 1 and 2
(B) 2 and 3
(C) 3 and 4
(D) 1 and 3

Q. Assertion (A): Artificial satellites are always launched from the Earth in the Eastward direction.
Reason (R): The Earth rotates from West to East and so the satellite attains the escape velocity.
Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Assertion (A): To orbit around the Sun the planet Mars takes lesser time than the time taken by the Earth.
Reason (R): The diameter of the planet Mars is less than that of Earth.
Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Assertion (A): The same face of the Moon always faces the Earth.
Reason (R): The Moon completes one rotation around its own axis in 23 and half days which is about the same time that it is takes to orbit the Earth.
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Consider the following statements and answer the question with the help of code given below.
Assertion (A): Only one side of the Moon’s surface is visible from the Earth.
Reason (R): The period of rotation of the Moon on its axis is equal to the period of its revolution round the Earth.
Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true

Q. Match the following.
(a) Planet
(b) Satellite
(c) Comet
(d) Artificial spacecraft

1. Moon
2. Uranus
3. Mariner
4. Halley

Code

Q. Consider the following statements regarding asteroids.

1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large and 1000 km.
3. The orbit of asteroids lies between the orbits of Jupiter and Saturn.

Of these statements.
(A) 1, 2 and 3 are correct
(B) 2 and 3 are correct
(C) 1 and 2 are correct
(D) 1 and 3 are correct

Q. What is the difference between asteroids and comets?

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.

Which of the statements given above is/are correct?
(A) 1 and 2
(B) 1 and 3
(C) Only 3
(D) 1, 2 and 3