1641: Match List I with List II and select the correct answer using the codes given below the lists :
List I List II
I. Potassium bromide (A) Fertiliser
II. Potassium nitrate (B) Photography
III. Potassium sulphate (C) Bakery
IV. Mono-potassium tartarate (D) Gunpowder
Codes:
(a) I-B, II-D, III-A, IV-C
(b) I-B, II-D, III-C, IV-A
(c) I-D, II-B, III-C, IV-A
(d) I-D, II-B, III-A, IV-C
1642: Arrange the following in a chronological order:
(i) Surat Split
(ii) Formation of Muslim League
(iii) Partition of Bengal
(iv) Regulating Act
(a) (i). (ii), (iii), (iv)
(b) (iv), (iii), (ii), (i)
(c) (ii), (i), (iv), (iii)
(d) (ii), (iii), (iv), (i)
1643: Which one of the following is not a digestive enzyme in the human systems?
(a) Trypsin
(b) Gastrin
(c) Yellow and violet
(d) Indigo and yellow
1644: Eskers and Drumlins are features, formed by
(a) Running water
(b) Underground water
(c) The action of wind
(d) Glacial action
1645: Assertion (A) :
Phenyl is used as a household germicide.
Reason (R):
Phenyl is a phenol derivative and phenol is an effective germicide.
(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