Daily Quiz For UPSC Ki Taiyari
Q-1. Who of the following discovered the laws of planetary orbits?
A) Galileo Galilei
B) Nicholas Copernicus
C) Johanries Kepler✓
D) Isaac Newton
Q-2. Twelve constellations referred to as zodiac are?
A) Signs of Roman gods
B) Imaginary region that encompass the path of the planets
C) A group of stars✓
D) None of the above
Q-3. The term 'meteor' is applied to an interplanetary body
A) After it enters the atmosphere of the earth
B) After it enters the Earth's atmosphere and explodes in mid air as ball of fire✓
C) After it enters the Earth's atmosphere and lands on the surface of the Earth without exploding in mid air
D) Before it enters the Earth's atmosphere
Q-4. Which of the following statements regarding shooting stars is incorrect?
A) They are meteors
B) They are the debris which got separated from a comet
C) They emit light due to extremely high temperature caused by friction while they are passing through Earth's atmosphere
D) They are kind of star✓
Q-5. The planets are kept in motion in their respective orbits by
A) Their great size and spherical shape
B) The rotation and density
C) Gravitational and Centrifugal force✓
D) Rotation of the sun on it's axis
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