576: The major component of honey is
(a) glucose
(b) sucrose
(c) maltose
(d) fructose
577: Vinegar is an aqueous solution of
(a) oxalic acid
(b) citric acid
(c) acetic acid
(d) hydrochloric acid
578: How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336
579: What is the correct chronological order in which the following appeared in India ?
I. Gold coins
II. Punch-marked silver coins
III. Iron plough
IV. Urban culture
Select the correct answer using the codes given below :
Codes :
(a) III, IV, I, II
(b) III, IV, II, I
(c) IV, III, I, II
(d) IV, III, II, I
580: Norman Ernest Borlaug who is regarded as the father of the Green Revolution in India is from which country?
(a) Mexico
(b) USA
(c) New Zealand
(d) Australia