What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant? 
1. Pentaploid 
2. Hexaploid 
3. Diploid 
4. Triploid 

Coconut water from a tender coconut is?

1. Immature embryo

2. Free nuclear endosperm

3. Innermost layers of the seed coat

4. Degenerated nucellus

The coconut water and the edible part of coconut are equivalent to:

1. Endosperm

2. Endocarp

3. Mesocarp

4. Embryo