Astronomy is the rigorous scientific study of stars, planets, comets, galaxies, and the physics of the universe occurring outside Earth’s atmosphere.
47. Meteors are commonly known as:
(A) Comets
(B) Stars
(C) Asteroids
(D) Shooting star
Answer:
(D) Shooting star
Explanation:
When a meteoroid enters the Earth’s atmosphere and burns up due to friction, it creates a bright, fleeting streak of light across the night sky, commonly referred to as a “shooting star.”
48. Name the place where Sunita Williams is working
(A) NASA
(B) ONGC
(C) DRDO
(D) Bhabha Atomic Research Centre
Answer:
(A) NASA
Explanation:
Sunita Williams is an American astronaut and United States Navy officer of Indian descent who has worked extensively for NASA, holding records for her time spent on the International Space Station.
49. Indian Space Agency is
(A) NASA
(B) ISRO
(C) CNSA
(D) ISA
Answer:
(B) ISRO
Explanation:
ISRO stands for the Indian Space Research Organisation, the national space agency of the Republic of India, headquartered in Bengaluru.
50. I’m back, I’m thick, I flow. Who am I?
(Note: ‘back’ is a typo in the source for ‘black’)
(A) Petroleum
(B) Honey
(C) Solar Cell
(D) Upla
Answer:
(A) Petroleum
Explanation:
Unrefined crude oil (petroleum) pumped straight from the earth is typically a very thick, dark black or dark brown flammable liquid that flows sluggishly.