The number of spark plugs needed in a diesel engine is:
(a) 2
(b) 3
(c) 4
(d) 0
Which of the following is most elastic?
(a) Steel
(b) Glass
(c) Rubber
(d) Sponge
Orbital period of planet Mercury around the sun is:
(a) 88 days
(b) 356 days
(c) 2 years
(d) 98 days
The most splendid and the most magnificent constellation in the sky is:
(a) Orion
(b) Columba
(c) Canis Major
(d) Taurus
“Black Holes” refer to:
(a) Holes occurring in heavenly bodies
(b) Bright spots on the sun
(c) Collapsing objects of high density
(d) Collapsing objects of low density
Eugenics is the study of:
(a) Altering human beings by changing their genetic components
(b) People of European origin
(c) Different races of mankind
(d) Genetics of plants
The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer, is called:
(a) Aphelion
(b) Perihelion
(c) Perigee
(d) Apogee
Diamond is a very expensive ornament. It is composed of a single element, namely:
(a) Carbon
(b) Gold
(c) Silver
(d) Platinum
Which of the following explains the reason why there is no total eclipse of the sun?
(a) Size of the earth in relation to that of moon
(b) Orbit of moon around earth
(c) Direction of rotation of earth around sun
(d) Area of the sun covered by the moon
Television signals are converted into light signals by:
(a) Optical fibre
(b) Transistor
(c) Decoder
(d) Photo diode