Universe and Fundamental Prelims Previous Year Questions
Q.1 ) Which one of the following hypothesis/theory explains the origin of universe?
A. Nebular Hypothesis
B. Binary theory
C. Big Bang theory
D. Planetesimal hypothesis
Correct Answer: (c) Big Bang theory
Q.2) Which one of the following statements with reference to the Nebular Hypothesis for the origin of Solar System is correct?
A. The initiation of the nebular hypothesis can be considered as a diffuse, roughly spherical, slowly rotating expanding nebula
B. As a result of rotation and expansion, a disk is formed with matter concentrated in the centre
C. Expansion continues with the formation of the proto-Sun and the rings of material are left behind
D. The material in the rings get condensed and form the planets that revolve in orbits around the Sun
Correct Answer: (d) The material in the rings get condensed and form the planets that revolve in orbits around the Sun
Q.4) Consider the following phenomena:
- Light is affected by gravity.
- The Universe is constantly expanding.
- Matter warps its surrounding space-time.
Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media?
A. 1 and 2 only
B. 3 only
C. 1 and 3 only
D. 1, 2 and 3
Correct Answer: (d) 1, 2 and 3
Q.5) Who gave the first evidence of the Big-Bang theory?
A. Albert Einstein
B. S. Chandrasekhar
C. Stephen Hawking
D. Edwin Hubble
Correct Answer: (d) Edwin Hubble
Q.6) Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation?
A. ‘Higgs boson particles’ were detected.
B. ‘Gravitational waves’ were detected.
C. Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.
D. It enabled the scientists to understand ‘singularity’.
Correct Answer: (b) ‘Gravitational waves’ were detected.
Q.7) The term Sagittarius A* , sometimes mentioned in news, refers to
A. Two giant black holes spiralling around each other several light years away from the Earth
B. A Supernova explosion seen in real time for the first time ever by scientists
C. A huge asteroid that passed very close to the Earth
D. A supermassive black hole in our Milky Way Galaxy
Correct Answer: (d) A supermassive black hole in our Milky Way Galaxy
Q.8) Consider the following statements about some planets in the solar system:
- Mercury has no atmosphere.
- Venus has two moons.
- There is no land on Jupiter.
- Rings of Saturn are composed of lumps of ice and dust.
Which of the statements given above are correct?
A. 1 and 2 only
B. 3 and 4 only
C. 1, 2 and 3
D. 1, 3 and 4
Correct Answer: (d) 1, 3 and 4
