Top 1000 GK Questions for Competitive Exams
Which lubricant is used for heavy machines?
(A) Bauxite
(B) Phosphorus
(C) Graphite
(D) Silicon oil
Correct Answer : C
Which of the following is not a chemical fertilizer?
(A) Urea
(B) Sodium Sulphate
(C) Super Phosphate
(D) Potassium Nitrate
Correct Answer : B
Energy possessed by a body due to its stationary is called its
(A) heat energy
(B) kinetic energy
(C) potential energy
(D) chemical energy
Correct Answer : C
Which one of the following is highly dangerous radioactive pollutant ?
(A) Phosphorus-32
(B) Sulphur-35
(C) Strontium-90
(D) Calcium-40
Correct Answer : C
When chlorophyll is burnt which element is obtained?
(A) Ca
(B) Na
(C) Mg
(D) Mn
Correct Answer : C
The term ‘ecosystem’ was proposed by—
(A) Odum
(B) Tansley
(C) Whitker
(D) Goli
Correct Answer : B
Genes are made by—
(A) Histones
(B) Lipoproteins
(C) Hydrocarbons
(D) Polynucleotides
Correct Answer : D
What among following is used to produce artificial rain ?
(A) copper oxide
(B) carbon monoxide
(C) silver iodide
(D) silver nitrate
Correct Answer : C
What happens when a chemical bond is formed ?
(A) Energy is always absorbed
(B) Energy in always released
(C) More energy is released than is absorbed
(D) Energy is neither released nor absorbed
Correct Answer : A
When the Left Ventricle in the human heart contracts, the blood moves to the
(A) Brain
(B) Pulmonary Artery
(C) Aorta
(D) Lungs
Correct Answer : C