1751: 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
1752: Who among the following repealed the Vernacular Press Act?

(a) Lord Hardinge
(b) Lord Curzon
(c) Lord Dufferin
(d) Lord Ripon
1753: 'The Arctic Home of the Vedas' was written by:

(a) Minoo Masani

(b) Acharya Vinoba Bhave

(c) S. Radhakrishnan

(d) Bal Gangadhar Tilak
1754: Assertion (A): River Kalinadi is an east flowing river in the southern part of India.

Reason(R): The Deccan Plateau is higher along its western edge and gently slopes towards the bay of Bengal in the east.

(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

1755: With reference to the international meeting held in the year 2006, which of the following pairs is/are correctly matched ?

1. NAM Summit : Havana

2. APEC Meeting : Bangkok

3. EU-India Summit : Helsinki

4. Un Climate Change Conference : Geneva

Select the correct answer using the codes given below:

(A) 1 only
(B) 1, 2 and 3
(C) 1 and 3 only
(D) 2,3 and 4