1771: 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
1772: A number was divided successively in order by 4, 5 and 6. The remainders were 2, 3 and 4 respectively. What is the number?
1773: With reference to a grouping of countries known as BRICS, consider the following statements :

1. The First Summit of BRICS was held in Rio De Janeiro in 2009.
2. South Africa was the last to join the BRICS grouping.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1774: Norman Ernest Borlaug who is regarded as the father of the Green Revolution in India is from which country?

(a) Mexico
(b) USA
(c) New Zealand
(d) Australia
1775: Ringworm is caused by

(a) Bacterium

(b) Fungus

(c) Virus

(d) Worm