1.  Cellular,helobial,free nuclear

2.  Cellular,free nuclear,helobial

4.  Free nuclear,cellular,helobial

5.  Free nuclear,helobial,cellular

1.  Galactosidase and lactase

3.  Amylase and cellulase

4.  Cellulase and proteinase

1.  Embryo

2.  Oospore

3.  Endosperm

1.  The zygote divides earlier than the primary endosperm nucleus

3.  Both the zygote and primary endosperm nuclei divide simultaneously

4.  Both the zygote and primary endosperm nuclei undergo a resting period

1.  59

3.  99

4.  109

1.  8-celled

3.  6-celled

4.  4-celled

1.  Nourish ovule

2.  Nourish pollen grains

4.  Keep the ovule alive

1.  Nutrition

2.  Protection

3.  Mechanical

1.  Tumour

2.  Gall

4.  Cancer

1.  Embryo

2.  Seed

4.  Fruit