Top 500 General Science GK Questions
The term ‘ecosystem’ was proposed by—
(A) Odum
(B) Tansley
(C) Whitker
(D) Goli
Correct Answer : B
When chlorophyll is burnt which element is obtained?
(A) Ca
(B) Na
(C) Mg
(D) Mn
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
Which of the following is not a chemical fertilizer?
(A) Urea
(B) Sodium Sulphate
(C) Super Phosphate
(D) Potassium Nitrate
Correct Answer : B
Which lubricant is used for heavy machines?
(A) Bauxite
(B) Phosphorus
(C) Graphite
(D) Silicon oil
Correct Answer : C
Acid rain is mainly a mixture of—
(A) Sulphuric acid and nitric acid
(B) Hexane and methane
(C) Acetic acid and bromine
(D) Ascorbic acid and citric acid
Correct Answer : A
The primary colours in photography are –
(A) Red, blue, yellow
(B) Red, yellow, green
(C) Red, blue, green
(D) Red, green, cyan
Correct Answer : C
In electric supply lines in India, which parameter is kept constant?
(A) Voltage
(B) Current
(C) Frequency
(D) Power
Correct Answer : C
The most abundant element in the human body is
(A) carbon
(B) iron
(C) nitrogen
(D) oxygen
Correct Answer : D
Which one of the Endocrine glands are known as master gland?
(A) Pituitary
(B) Adrenal
(C) Thyroid
(D) Parathyroid
Correct Answer : A