3741: In medieval India, the designations `Mahattara and `Pattakila were used for

(a) military officers
(b) village headmen
(c) specialists in vedic rituals
(d) chiefs of craft guilds
3742: What is the correct sequence of the following Indian states in descending order of their length of surface roads per 100 km. sq. of their area ?

I. Haryana
II. Maharashtra
III. Punjab
IV. Tamil Nadu

Select the correct answer using the codes given below :

Codes :

(a) IV, II, III, I
(b) IV, III, I, II
(c) III, IV, I, II
(d) III, IV, II, I
3743: Which one of the following is another name of RDX ?

(a) Selenium
(b) Cyclonite
(c) Cyanohydrin
(d) Cyclohexane
3744: Antigen is a substance which

(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
3745: The last major extension of British Indian territory took place during the time of

(a) Dufferin

(b) Dalhousie

(c) Lytton

(d) Curzon