Exercise 9

Question 1 :

The chief constituent of gobar gas is

A). ethane
B). methane
C). hydrogen
D). carbon dioxide
Answer : Option B

Question 2 :

The countries that had maintained research stations in Antarctica under Antarctic Trade are

A). Argentina, Australia, Belgium and South Africa
B). Chili, France and Japan
C). New Zealand, Norway, the former USSR, the UK and the USA
D). All of the above
Answer : Option D

Question 3 :

The first development flight of SLV-3 took place on

A). May 31, 1981
B). April 17, 1983
C). December 21, 1999
D). December 28, 1995
Answer : Option A

Question 4 :

The Enron project is a

A). hydro-electric project
B). thermal power project
C). atomic power project
D). gas-fired power project
Answer : Option D

Question 5 :

The chief purpose of crop rotation is to check the loss of top soil

A). by water erosion
B). by wind erosion
C). by weathering
D). of its mineral content
Answer : Option D