451: Which country among the following has been involved in two in Test cricket?
(a) Australia
(b) India
(c) West Indies
(d) England
452: The water pollution in river is measured by the dissolved amount of
(a) Chlorine
(b) Ozone
(c) Nitrogen
(d) Oxygen
453: Consider the following statements regarding environment issues of India:
I. Gulf of Mannar is one of the biosphere reserves.
II. The Ganga Action Plan, phase II has been merged with the National River Conservation Plan.
III. The National Museum of Natural History at New Delhi imparts non-formal education in environment and conservation.
IV. Environmental Information System (ENVIS) acts as a decentralised information network for environmental information.
Which of these statements are correct ?
(a) I, II and IV
(b) I, II, III and IV
(c) II and III
(d) I, III and IV
454: A table has three drawers. It is known that one of the drawers contains two silver coins, another contains two gold coins and the third one contains a silver coin and a gold coin. One of the drawers is opened at random and a coin is drawn. It is found to be a silver coin. What is the probability that the other coin in the drawer is a gold coin ?
(a) 0.25
(b) 1.00
(c) 0.50
(d) 0.60
455: Match List I (Artist) with List II (Art) and select the correct answer using the codes given below the lists:
List I List II
(Artist) (Art)
A. Hiren Bhattacharya 1. Bharatanatyam dance
B. Malini Rajurkar 2. Hindustani vocal music
C. Pratibha Prahlad 3. Kuchipudi dance
D. Vempati Chinna Satyam 4. Puppetry
Codes:
A B C D
(a) 4 2 1 3
(b) 3 1 2 4
(c) 4 1 2 3
(d) 3 2 1 4