3606: A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion ?

(a) O, Rh-
(b) O, Rh+
(c) AB, Rh-
(d) AB, Rh+
3607: Who among the following invented Lasers?

(a) Theodore Maiman
(b) William Morton
(c) Francis Crick
(d) Denis Papin
3608: Gestation period of a goat is about:

(a) 150 days

(b) 200 days

(c) 250 days

(d) 365 days
3609: 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
3610: The Reserve Bank of India was established in:

(a) 1935

(b) 1947

(c) 1952

(d) 1969