World Affairs Course Session 15

Jupiter's gravitational force is stronger than Mercury.

• True

• False

Answer explanation

Moon's gravity is 1/6th of Earth's gravity. Hence, if a person weighs 12 kgs on Moon, his weight on Earth will be ________ kgs.

• 72

• 84

• 2

• 6

Answer explanation

In space, astronauts experience which of the following physiological changes?

• Loss of muscle mass

• Reverse blood flow

• Loss of hair

• Shrinking of heart

• Impaired eyesight

Answer explanation

A company has designed a spacecraft in the form of a giant wheel. Artificial gravity could be created in this spacecraft through ____________.

• Rotation

• Linear acceleration

• Revolution

• Circular acceleration

Answer explanation

The point within the Earth where an earthquake originates is called the __________.

• Epicenter

• Hypocenter

• Fault

• Lithosphere

Answer explanation

An earthquake cannot be identified as a foreshock until after a larger earthquake in the same area occurs.

• True

• False

Answer explanation

Which of the following are related to the measurement of the strength of an earthquake?

• Moment Meter Scale

• Seismograph

• Altimeter

• Moment Magnitude Scale

• Sonograph

Answer explanation

If you are driving a car while an earthquake occurs, you should __________

• Continue driving and reach home safely

• Pull over to a clear location

• Look for cover under a tree or building

• Stop and wait in the car

Answer explanation

We do not feel Earth's rotation because its speed is __________.

• Fast

• Slow

• Constant

• Zero

Answer explanation

Earthquakes are caused due to __________.

• Stress on Earth's crust

• Movement of tectonic plates

• Formation of faults

• Excessive rainfall

• Drought conditions

Answer explanation