General Science MCQ Question with Answer

General Science MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 8
Which of the following is the lightest metal ?

Mercury

Lithium

Lead

Silver

Question No : 9
The element present in the largest amount in rocks and minerals is

Carbon

Hydrogen

Aluminium

Silicon

Question No : 10
The property of a substance to absorb moisture from the air on exposure is called

Desiccation

Efflorescence

Deliquescene

Osmosis

Question No : 11
Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?

Atomic warfare

Depletion of earth's ozone layer

CO2 from fossil fuels

Dust clouds from valcanoes

Question No : 12
The accumulation of stress along the boundaries of lithospheric plates results in which of the following?

Earthquakes

Magnetic reversals

Hurricanses

Increased deposition of deep-sea sediments

Question No : 13
Which of the following is in liquid form at room temperature ?

Sodium

Cerium

Francium

Lithium

Question No : 14
Quartz crystals normally used in quartz clocks etc. is chemically

A mixture of B and C

Silicon dioxide

Germenium dioxide

Sodium Silicate