1231: Which one among the following is called philosopher's wool?
(a) Zinc oxide
(b) Zinc chloride
(c) Zinc nitrate
(d) Zinc bromide
1232: Which one of the following plants can fix nitrogen from air?
(a) Rice
(b) Wheat
(c) Pea
(d) Maize
1233: Doldrums refer to:
(a) A belt of calm and light variable winds near the equator
(b) A particular area in the centre of the Pacific Ocean
(c) The region of the upper atmosphere extending upward from the tropopause to about 20 kms. above the earth
(d) None of these
1234: Hawala transactions relate to payments
(a) received in rupees against overseas currencies and vice versa without going through the official channels
(b) received for sale/transfer of shares without going through the established stock exchanges
(c) received as commission for services rendered to overseas investors/buyers/ sellers in assisting them to get over the red tape
and/or in getting preferential treatment
(d) made to political parties or to individuals for meeting election expenses
1235: Assertion (A) :
The origin of feudal system in ancient India can be traced to military campaigns.
Reason (R) :
There was considerable expansion of the feudal system during the Gupta period.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true