3546: If father has blood group A and mother has blood group O, then which one of the following blood group may be found in their son ?

(a) B

(b) AB

(c) O

(d) B, AB or O
3547: Given below is a map of some countries which were parts of the erstwhile Soviet Union with water bodies shown by shaded areas :

The countries marked 1, 2, 3, 4 and 5 are respectively

(a) Tajikistan, Turkmenia, Uzbekistan, Kirgizia, Kazakhstan
(b) Turkmnia, Kirgizia, Tajikistan, Uzbekistan, Kazakhstan
(c) Kazakhstan, Uzbekistan, Tajikistan, Kirgizia, Turkmenia
(d) Kazakhstan, Turkmenia, Uzbekistan, Kirgizia, Tajikstan
3548: Under which one of the following Constitution Amendment Acts, four languages were added to the languages under the Eighth Schedule of the Constitution of India, there by raising their number to 22 ?

(a) Constitution (Ninetieth Amendment) Act

(b) Constitution (Ninety-first Amendment) Act

(c) Constitution (Ninety-third Amendment) Act

(d) Constitution (Ninety-second Amendment) Act
3549: The first Indian ruler to organize Haj pilgrimage at the expense of the state was

(a) Alauddin Khilji

(b) Feroz Tughlak

(c) Akbar

(d) Aurangzeb
3550: Assertion

Carbon dioxide in air is necessary for sustaining life

Reason

Carbon dioxide is assimilated in carbohydrates in photosynthesis

(a) if A and R both are correct and R is the correct explanation of A

(b) if A and R both are correct but R is not the correct explanation of A

(c) if A is correct and R is incorrect

(d) if A is incorrect and R is correct