1836: Blood grouping was discovered by:
(a) Landsteiner
(b) Robert Koch
(c) William Harvey
(d) Louis Pasteur
1837: There are two places P and Q. The longitudes of P and Q are 45° E and 60°W respectively. What will be the difference in their local times:
(a) 7 hours
(b) 6 hours
(c) 3.5 hours
(d) Both places will have the same local time
1838: The current price index (base 1960) is nearly 330. This means that
(a) all items cost 3.3 times more than what they did in 1960
(b) the prices of certain selected items have gone upto 3.3 times
(c) weighted mean of prices of certain items has increased 3.3 times
(d) gold price has gone up 3.3 times
1839: Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of
(a) algae and bacteria
(b) algae and fungi
(c) bacteria and fungi
(d) fungi and mosses
1840: Which one of the following is not a Harappan site?
(a) Chanhudaro
(b) Kot Diji
(c) Sohgaura
(d) Desalpur