Universe Solar System — 19 World Geography PYQs with Answers | UKPSC PYQ Hub

Question 1

The bright outer layer of the sun is known as:

Accepted Answer

Photosphere. The surface of the trans portable belt i.e. the bright outer layer (surface) of the sun is called photosphere. Sunspots are those parts of the photosphere where the temperature is 1500°C lower that the surrounding parts.

Question 2

Communication Satellites are stationed in which atmospheric layer?

Accepted Answer

Ionosphere. All Communication Satellites are stationed in Ionosphere. The ionosphere is an abundant layer of electrons and ionized atoms and molecules. Ionosphere layer helps in radio transmission. In fact, radio waves transmitted from the earth are reflected back to the earth by this layer.

Question 3

Black Hole

Accepted Answer

Absorbs all the radiations flowing/passing in itsVic in i ty. Black hole is a cosmic body, where gravitational field is so strong that even light cannot pass through it. It absorbs every things which passes through it.

Question 4

Which of the following layer is not included in Homosphere?

Accepted Answer

Ionosphere. The earth’s atmosphere has two major zones or segments; Homosphere and Heterosphere. The Homosphere is the lower segment of the two-part division of atmosphere and further consists of three regions namely troposphere, stratosphere and mesosphere. Therefore, Ionosphere does not exist in Homosphere.

Question 5

The two planets which do not have any satellite are–

Accepted Answer

Mercury and Venus. Mercury and Venus do not have any satellites. Geography of the World of the World

Question 6

The nearest planet to the earth is:

Accepted Answer

Venus. Though Venus in closed planet to Earth. However sometimes comes closer to earth and becomes closest planet to earth (In its course to revolution around sun). However this question was deleted by the commission.

Question 7

Moon is a

Accepted Answer

Satellite. Moon is a natural satellite of earth.

Question 8

The ozone layer is situated in

Accepted Answer

Stratosphere. The stratosphere is found above the troposphere and extends up to a height of 50 km. One important feature of the stratosphere is that it contains the ozone layer.