4546: Assertion (A) :
Dolly was the first cloned mammal.
Reason (R) :
Dolly was produced by in vitro fertilization.
(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
4547: The physical regions marked as 1, 2, 3 and 4 on the given map are respectively
(a) Andes, Brazilian Shield, Guyana Highlands and Amazon Basin
(b) Andes, Guyana Highlands, Brazilian Shield and Amazon Basin
(c) Amazon Basin, Guyana Highlands, Brazilian Shield and Andes
(d) Guyana Highlands, Brazilian Shield, Andes and Amazon Basin
4548: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk
(a) In the direction facing the polestar
(b) In the direction opposite to the polestar
(c) In the direction keeping the polestar to his left
(d) In the direction keeping the polestar to his right
4549: Consider the following statements:
1. The Barren Island volcano is an active volcano located in the Indian territory.
2. Barren Island lies about 140 km east of Great Nicobar.
3. The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3
(c) 3 only
(d) 1 and 3
4550: Consider the following statements:
As per 2001 Census
1. The two States with the lowest sex ratio are Haryana and Punjab.
2. The two States with the lowest population per sq km of area are Meghalaya and Mizoram.
3. Kerala has both the highest literacy rate and sex ratio.
Which of the statements given above is/are correct?
(a) 3 only
(b) 2 and 3
(c) 1 and 2
(d) 1 and 3