636: 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
637: Match List I (Item in the Indian Constitution) with List II (Country from which it was derived) and select the correct answer using the codes given below the list.
List I (Item in the India Constitution)
A. Directive Principles of State Policy
B. Fundamental Rights
C. Concurrent List in Union-State Relations
D. India as a Union of States with greater powers to the Union
List II (Country from which it was derived)
1. Australia
2. Canada
3. Ireland
4. United kingdom
5. USA
Codes:
A B C D
(a) 5 4 1 2
(b) 3 5 2 1
(c) 5 4 2 1
(d) 3 5 1 2
638: Assertion (A)
Eclipses do not occur on all full moon and new moon days
Reason (R)
The moon revolves round the earth in an elliptical orbit
(a) A and R both are incorrect
(b) A is correct but R is incorrect
(a) A and R are correct and R is the correct explanation of A
(b) A and R are correct but R is not the correct explanation of A
639: In a wooden box there are 3 red and 4 black balls. If two balls are taken out Simultaneously (without looking at them), then the probability of both the balls being red is
(a) Zero
(b) 1/7
(c) 2/7
(d) 3/7
640: Which of the following statements is true?
(a) Both salinity and density of sea increase with depth
(b) Both salinity and density of sea decrease with depth
(c) Salinity increases but density of sea decreases with depth
(d) Salinity decreases but density of sea increases with depth