21) The best conductor of heat among the following is
a) Alcohol
b) Mercury
c)Earth
d) Water
22) Which rules built the Ellora Temple?
a) Chalukya
b) Sunga
c) Rashtrakuta
d) Pallava
23) Which organ of the body never rests?
a) Muscles
b)Nerves
c) Tongue
d) Heart
24) Which of the following mountain range in India are the oldest ?
a) Himalayas
b) Vindhyas
c) Aravalli
d) Sahyadri
25) Singhbhum is famous for
a) Coal
b) Iron
c) Copper
d) Aluminium
26) Where is the Forest Research Institute located?
a) Bhopal
b) Dehradun
c) Lucknow
d) Delhi
27) Which TV Cannel broadcasts the program ‘’Gyan Darshan’’?
a) Zee
b) Sony
c) Doordarshan
d) Star
28) Which of the following is not required for seed germination?
a) Water
b) Air
c) Sunlight
d) Suitable temperature
29) Who Invited the Laser 😕
a) Sir Frank Whittle
b) Fred Morrisson
c)T.H Maiman
d) Seymour Cray
30) Where dose most of the weather phenomena take place?
a) lonosphere
b) Troposphere
c) Stratosphere
d) Tropopause