501: On a half-moon night the angle between the moon and the sun when measured from earth is about
(a) 45°
(b) 60°
(c) 90°
(d) 180°
502: Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth
(a) 1 and 4 only
(b) 2 and 3 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
503: The meeting of G-15 countries held in Malayasia in 1997 was attended by
(a) 14 member countries
(b) 15 member countries
(c) 16 member countries
(d) 17 member countries
504: Match List I (Commission ) with List II (Matter of Enquiry) and select the correct answer using the codes given below the lists :
List I List II
(Commission) (Matter of enquiry)
A. Wadhwa Commission 1. The assistance of Rajiv Gandhi
B. Liberhan Commission 2. Killing of Graham Staines
C. Sri Krishan Commission 3. Demolition of a religious structural at Ayodhya
D. Jain Commission 4. Riots in Mumbai In 1993
Codes:
A B C D
(a) 3 2 4 1
(b) 2 3 4 1
(c) 3 2 1 4
(d) 2 3 1 4
505: Which one of the following pairs is not correctly marched?
(a) Seikan Rail Tunnel : China
(b) Appalachian Trail : USA
(c) Petronas Towers : Malaysia
(d) Rogun Dam : Tajikistan