Which of the following is a non metal that remains liquid at room temperature?
(a) Phosphorous
(b) Bromine
(c) Chlorine
(d) Helium
Ans. (b)
Which of the following metals forms an amalgam with other metals?
(a) Tin
(b) Mercury
(c) Lead
(d) Zinc
Ans. (b)
Chlorophyll is a naturally occurring chelate compound in which central metal is
(a) copper
(b) magnesium
(c) iron
(d) calcium
Ans. (b)
The territory of Porus who offered strong resistance to Alexander was situated between the rivers of
(a) Sutlej and Beas
(b) Jhelum and Chenab
(c) Ravi and Chenab
(d) Ganga and Yamuna
Ans. (b)
We hear of two envoys being sent to the Roman kings, one in 27-28 AD to the court of Augustus and the other in 110-20 AD to the court of
(a) Cartius
(b) Trajan
(c) Nero
(d) Brutus
Ans. (b)
The higher the wind speed and the longer the fetch or distance of open water across which the wind blows and waves travel, the ____ waves and the ____ energy they process.
(a) larger, more
(b) larger, less
(c) smaller, more
(d) smaller, less
Ans. (a)
The great Victoria Desert is located in
(a) Canada
(b) West Africa
(c) Australia
(d) North America
Ans. (c)
Development expenditure of the Central government does not include
(a) defence expenditure
(b) expenditure on economic services
(c) expenditure on social and community services
(d) grant to states
Ans. (a)
The most electronegative element among the following is
(a) sodium
(b) bromine
(c) fluorine
(d) oxygen
Ans. (c)
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
(a) work done in rolling is more than in lifting
(b) work done in lifting the stone is equal to rolling it
(c) work done in both is same but the rate of doing work is less in rolling
(d) work done in rolling a stone is less than in lifting it
Ans. (d)