3706: Emperor Harsha's southward march was stopped on the Narmada river by
(a) Pulakesin-I
(b) Pulakesin-II
(c) Vikramaditya-I
(d) Vikramaditya-II
3707: Consider the following statements:
A digital signature is
1. an electronic record that identifies the certifying authority issuing it
2. used to serve as a proof of identity of an individual to access information or server on Internet
3. an electronic method of signing an electronic document and ensuring that the original content is unchanged
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
3708: Regarding the office of the Lok Sabha Speaker, consider the following statements:
1. He/She holds the office during the pleasure of the President.
2. He/She need not be a member of the House at the time of his/her election but has to become a member of the House within six months from the date of his/her election.
3. If he/she intends to resign, the letter of his/her resignation has to be addressed to the Deputy Speaker.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
3709: If a potato is placed on a pure paper plate which is white and unprinted and put in a microwave oven, the potato heats up but the paper plate does not. This is because:
(a) Potato contains water whereas paper does not contain water
(b) Potato transmits microwaves whereas paper reflects microwaves
(c) Potato is mainly made up of starch whereas paper is mainly made up of cellulose
(d) Potato is a fresh organic material whereas' paper is a dead organic material
3710: Kalamkari painting refers to
(a) a hand-painted cotton textile in South India
(b) a handmade drawing on bamboo handicrafts in North-East India
(c) a block-painted woollen cloth in Western Himalayan region of India
(d) a hand-painted decorative silk cloth in North-Western India