1536: In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?

(a) Creating the artificial rains in some regions

(b) Reducing the frequency and intensity of tropical cyclones

(c) Reducing the adverse effects of solar wind on the Earth

(d) Reducing the global warming
1537: When the rice is boiled, it expands because:

(a) The starch gelatinises and swells

(b) The starch gets polymerised

(c) The grains absorb moisture and swell

(d) Sugars break down in the grains
1538: Epiphytes are plants which depend on other plants for

(a) food
(b) mechanical support
(c) shade
(d) water
1539: Consider the following names:
1. Archbishop Desmond Tutu
2. Lech Walesa
3. Shimon Peres
4. Yasser Arafat
Who among these won the Nobel Peace Prize?
(a) 1 and 2
(b) 1, 3 and 4
(c) 2, 3 and 4
(d) 1, 2, 3 and 4
1540: Who among the following is a Hindustani classical singer ?

(a) Geeta Chandran
(b) Gangubai Hangal
(c) Swapnasundari
(d) Leela Samson