1616: A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is
(a) 12 years
(b) 15 years
(c) 18 years
(d) 20 years
1617: Which one of the following Union Ministries implements the Cartagena Protocol on Biosafety?
(a) Ministries of Health and Family Welfare
(b) Ministries of science and technology
(c) Ministry of Environment and Forests
(d) Ministry of Chemicals and Fertilizers
1618: 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
1619: Assertion (A):
Bangalore receives much higher average annual rainfall than that of Mangalore.
Reason (R):
Bangalore has the benefit of receiving rainfall both from south-west and north-east monsoons.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1620: Arrange the following in chronological order:
I. Home Rule League
II. Swadeshi Movement
III. Bardoli Movement
IV. Round Table Conference
(a) I, II, III, IV
(b) II, I, III, IV
(c) III, I, IV, II
(d) IV, II, I, III