621: A community of people called Manganiyars is well-known for their

(a) martial arts in North-East India
(b) musical tradition in North- West India
(c) classical vocal music in South India
(d) pietra dura tradition in Central India
622: Mach Number is a term associated with the speed of:

(a) Ships

(b) Cars

(c) Aeroplanes

(d) Light
623: Who evolved the national consciousness as a formal concept?

(a) B.G. Tilak

(b) Mahatma Gandhi

(c) Jawaharlal Nehru

(d) Surendranath Bannerjee
624: Match List I with List II and select the correct answer using the codes given below the Lists :

List I List II

(Substance) (Physiological role)

I. Ptyalin (A) Converts angioten-sinogen in blood into angiotensin
II. Pepsin (B) Digests starch
III. Renin (C) Digests proteins
IV. Oxytocin (D) Hydrolyses fats
(E) Induces contraction of smooth muscles
Codes:

(a) I-B, II-C, III-A, IV-E
(b) I-C, II-D, III-B, IV-E
(c) I-B, II-C, IH-E, IV-A
(d) I-C, II-A, III-B, IV-D
625: The blood glucose level is commonly expressed as

(a) mm of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre