811: Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of
1. Its escape into the outer strato-sphere.
2. The photosynthesis by phyto-plankton in the oceans.
3. The trapping of air in the polar ice caps
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 2 only
(c) 2 and 3 only
(d) 3 only
812: With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretian is produced from the duodenum
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
813: Consider the following temperature and rainfall data :
Month Temperature degree C Rainfall cm
January 6.7 14.0
February 6.7 13.2
March 7.2 11.4
April 8.9 9.4
May 11.1 8.1
June 13.9 8.1
July 15.0 9.6
August 15.0 12.2
September 13.9 10.4
October 11.1 14.4
November 8.9 14.0
December 7.8 16.8
The climate to which this data pertains is
(a) St. Lawrence type
(b) China type
(c) West European type
(d) Mediterranean type
814: India has the maximum volume of foreign trade with
(a) USA
(b) Japan
(c) Germany
(d) UAE
815: Assertion (A): Wind patterns are clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere.
Reason (R):The direction of wind patterns in the northern and the southern hemisphere are governed by Coriolis effect.
(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.