2.  2-8 minutes

3.  3-8 minutes

4.   None of these

2.  All the living cells of the plant

3.  Mitochondria

4.  Root

2.  First embryo transfer

3.  Full embryo transfer

4.   Four embryo transfer

1.  Light

3.  At high temperature

4.  At low temperature

1.  -1090C

3.  -1060C

4.  None of these

1.  1980

2.  1982

4.  None of these

1.  absorption of CO2

2.  absorption of O2

4.  photolysis of water

2.  Arbour insemination

3.  Arterial insemination

4.   Articulated insemination

1.  Aspartate

2.   malate

3.  Pyruvate

2.  World health organ

3.  World health organisms

4.  None of the above