41: Assertion
Comets have gaseous tails
Reason
They are very hot bodies
(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
42: Which one of the following countries recently upgraded its defence agency to a full defence ministry?
(a) Switzerland
(b) Japan
(c) Italy
(d) Thierry Henry
43: What number will come next in the following series?
5, 8, 9, 14, 16, 23, 26
(a) 29
(b) 33
(c) 35
(d) 39
44: Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds ?
1. Decreased salinity in the river
2. Pollution of groundwater
3. Lowering of the water-table
Select the correct answer using the code given below :
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1 ,2 and 3
45: Consider the figures given below: