2166: Out of all the Biosphere Reserves in India, four have recognized on the World Network by UNESCO. Which one of the following is not one of them?
(a) Kanchejunga
(b) Gulf of Mannar
(c) Nanda Devi
(d) Sunderbans
2168: Match List I with List II and select the correct answer using the codes given below the lists :
List I------------- List II
I. Blue vitriol (A) Sodium bicarbonate
II. Epsom salt (B) Sodium hydroxide
III. Baking soda (C) Magnesium sulphate
IV. Caustic soda (D) Copper sulphate
Codes:
(a) I-C, II-D, III-B, IV-A
(b) I-D, II-C, III-C, IV-A
(c) I-C, II-D, III-A, IV-B
(d) I-D, II-C, III-A, IV-B
2169: Recombinant DNA technology (Genetic Engineering) allows genes to be transferred
1. across different species of plants
2. from animals to plants
3. from micro organisms to higher organisms
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3