113. The unit of the light year is used for measuring

A. speed of satellites
B. speed of ships
C. distance between bodies in the universe
D. speed of rockets
✅ The correct answer is option C.
A light year is a way of measuring distance. That doesn’t make much sense because “light year” contains the word “year,” which is normally a unit of time. Even so, light years measure distance. You are used to measuring distances in either inches/feet/miles or centimeters/meters/kilometers, depending on where you live.

114. The moon orbits the earth at a mean distance approximately

A. 0.384 million km
B. 149.6 million km
C. 579 million km
D. 227.9 million km
✅ The correct answer is option A.
The moon orbits Earth at a mean distance of just over 384,000km. The moon’s orbit around Earth is also slightly eccentric – at perigee (its closest distance to Earth), it’s a little over 362,500km from Earth, while at apogee (furthest from Earth), it is almost 405,500km away.

118. The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by

A. term contracts
B. term tenders
C. monthly tenders
D. All the above
✅ The correct answer is option A.
The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by term contracts.

120. The relative abundance of dissolved salts in seawater in descending order is as follows

A. chlorine, sodium, sulphate, magnesium, calcium, potassium
B. sodium, chlorine, magnesium, potassium, sulphate, calcium
C. chlorine, magnesium, calcium, sodium, potassium, sulphate
D. chlorine, sodium, magnesium, calcium, potassium, sulphate
✅ The correct answer is option A.
The relative abundance of dissolved salts in seawater in descending order is chlorine, sodium, sulphate, magnesium, calcium, potassium.