1311: Recently, the manuscripts of which one of the following have been included in the UNESCO's Memory of World Register?
(a) Abhidhamma Pitaka
(b) Ramayana
(c) Rig-Veda
(d) Mahabharta
1312: Acid rain is caused by the pollution of environment by
(a) carbon dioxide and nitrogen
(b) carbon monoxide and carbon dioxide
(c) ozone and carbon dioxide
(d) nitrous oxide and sulphur dioxide
1313: Consider the following areas:
1. Bandipur
2. Bhitarkanika
3. Manas
4. Sunderbans
Which of the above are Tiger Reserves?
(a) 1 and 2 only
(b) 1, 3 and 4 only
(c) 2, 3 and 4 only
(d) l, 2, 3 and 4
1314: In an electronic watch, the component corresponding to pendulum of a pendulum clock is a
(a) transistor
(b) crystal oscillator
(c) diode
(d) balance wheel
1315: Which of the following can be threats to the biodiversity of a geographical area?
1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the codes given below :
(a) 1, 2 and 3 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4