General Science & Ability MCQs

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in_____ of sea water.

a) 1 gram

b) 10 grams

c) 1 Kg

d) 10 Kg (more…)

The position of an element in the periodic table is determined by its____ number.

a) Electron

b) Proton

c) Neutron

d) Positron (more…)

At night, plants intake____ and release:

a) Carbon dioxide- Oxygen

b) Oxygen- Carbon dioxide

c) Carbon monoxide- Oxygen

d) Nitrogen- Oxygen (more…)

Oxidation is a chemical reaction involving:

a) Gain of Electrons

b) Loss of Electrons

c) Gain of Protons

d) Loss of Protons (more…)