The last major extension of British Indian territory took place during the time of -
(a) Dufferin
(b) Dalhousie
(c) Lytton
(d) Curzon

The native state of Tripura became involved in the freedom movement early in the 20th century because:
(a) the kings of Tripura were always anti-British
(b) the Bengal revolutionaries took shelter in Tripura
(c) the tribes of the state were fiercely freedom loving
(d) there were already some groups fighting against the kingship and its protector, the British

Which of the following ecosystems can sustain the longest? 
[A] Ocean
[B] Desert
[C] Forest
[D] Mountain

Tungsten is obtained from which ore?
[A] Galena
[B] Cinnabar 
[C] Wolfram
[D] Obtained by combined minerals

What is a fog?
[A] A form of dew
[B] A low stratus cloud
[C] A cumulus cloud
[D] Type of smoke