2526: A married couple adopted a male child. A few years later twin boys were born to them. The blood group of the couple is 'AB' positive and 'O' negative. The blood group of the three sons is A positive, B positive, and 'O' positive. The blood group of the adopted son is
(a) A positive
(b) B positive
(c) O positive
(d) Cannot be determined
2527: Which among the following do/does not belong/belongs to the GSM family of wireless technologies ?
(a) DSL
(b) LTE
(c) EDGE
(d) Both EDGE and LTE
2528: 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
2529: Assertion (A) :
In Australia, cattle rearing is done more for meat than for milk.
Reason (R) :
Australians are traditionally non-vegetarians.
(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
2530: Consider the following statements:
1. Area wise, Chhattishgarh is larger than West Bengal.
2. According to the Population 2001 Census, Population of West Bengal is larger than that of Chhattisgarh.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2