PLZ and..... this

Dear Student,

Ans. 
a. A major component of Chlorophyll is Nitrogen.
The chlorophyll molecule is formed by Nitrogen which forms the porphyrin ring surrounding the central Magnesium atom.

b. Seeds are formed from Ovule.
After fertilisation, the Ovule forms the seeds.

c. Product of fusion of two gametes is Zygote.
The male and the female gametes form the zygote. The Zygote is a diploid structure.

Regards