A high speed vehicle honks, so its pitch?
(A) is heard as much
(B) more audible
(C) hearing impaired
(D) First less and then more
Which form of energy does not cause pollution?
(A) Coal
(B) Atom
(C) Solar
(D) Petrol
Select the odd from the following.
(A) J.L .Baird — Television
(B) J. Parkinson — Penicillin
(C) James Watt — Steam Engine
(D) A. G. Bell — Telephone
Was Insuline Discovered?
(A) Bentig
(B) Domake
(C) Ronald Ross
(D) Harvey
Which of the following is not a fuel gas?
(A) Water gas
(B) Producer gas
(C) Laughing gas
(D) Marsh gas
What is Fathom?
(A) is a fish
(B) Name of a plant is
(C) A vessel is called
(D) is a measure
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