2396: 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
2397: Consider the following pairs: National Park River flowing through the Park
1. Corbett National Park : Ganga
2. Kaziranga National Park : Manas
3. Silent Valley National Park : Kaveri
Which of the above pairs is/are correctly matched?
(a) 1 and 2
(b) 1 and 3
(c) 3 only
(d) None
2398: The "dharma" and "rita" depict a central idea of ancient Vedic civilization of India. In this context consider the following statements :
1. Dharma was a conception of obligations and of the discharge of one's duties to oneself and to others.
2. Rita was the fundamental moral law governing the functioning of the universe and all it contained.
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
2399: Assertion (A):
The monsoonal rainfall decreases as one goes towards the west and north-west in the Ganga plain.
Reason (R):
The moisture-bearing monsoonal winds go higher up as one moves up in the Ganga plain.
In the context of the above two statements which one of the following is correct ?
(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
2400: Chips used in integrated circuits in computers are made of:
(a) Mica
(b) Manganese
(c) Silicon
(d) Zinc