Universe MCQ Question and Answer | Geography MCQ Question

On which of the following planets of the solar system does the sun rise in the west and set in the east?

A) Venus B) Mars C) Jupiter D) Saturn

Discuss

Answer & Solution

Answer: Option A

Solution:

Venus rotates on its axis the opposite way that most planets rotate. That means on Venus, the sun would appear to rise in the west and set in the east. On Earth, the sun appears to rise in the east and set in the west.

What are Sun spots?

A) Regions on earth without winter climate B) Desert areas on the sun C) Dark patches on the surface of the sun which are cooler areas D) Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K

Discuss

Answer & Solution

Answer: Option D

Solution:

A dark patch in the sun's photosphere resulting from a localized fall in temperature to about 4000 K. Most spots have a central very dark umbra surrounded by a lighter penumbra. Sunspots tend to occur in clusters and to last about two weeks.

What is "Supernova"?

A) Comet B) Asteroid C) Meteor D) Black Hole

Discuss

Answer & Solution

Answer: Option D

Solution:

The most likely 'cannon' is the explosive kick of a supernova, one of the Universe's most titanic events. When massive stars end their lives, they explode violently as supernovae. They leave either a neutron star or a black hole as a remnant, depending on how massive the star initially is.

Which two planets of the solar system have no satellites?

A) Mercury and Venus B) Venus and Mars C) Mercury and Mars D) Venus and Neptune

Discuss

Answer & Solution

Answer: Option A

Solution:

Mercury and Venus are too close to the Sun. Any moon with too great a distance from these planets would be in an unstable orbit and be captured by the Sun. If they were too close to these planets they would be destroyed by tidal gravitational forces.