The historic convention on biological diversity held in Rio de Janeiro in 1992 is known as

1. CITES Convention

2. The Earth Summit

3. G-16 Summit

4. MAB Programme

Q.20 What is common to the techniques

(i) in vitro fertilization

(ii) cryopreservation

(iii) tissue culture?

1. All are in situ conservation methods.

2. All are ex-situ conservation methods

3. All require ultra-modern equipment and large space.

4. All are methods of conservation of extinct organisms.