DOUBLE FERTILIZATION

Question 1

Pollen tube releases the 2 male gametes in the ________ of the synergid.

Answer 1

cytoplasm

Question 2

One of the male gametes fuses with ____ of the egg cell and the structure formed is 2n/n and is called ________ and the process is called _________

Answer 2

Nucleus, 2n, zygote, syngamy

Question 3

The other male gamete fuses with 1/2 polar nuclei and produces n/2n/3n structure called ________ and the process is called ________ because it involves fusion of ____(no.) haploid nuclei

Answer 3

2 , 3n , Primary endosperm nucleus (PEN) , triple fusion , 3

Question 4

The phenomenon is called double fertilization cuz 2 types of fusions take place in embryo sac

True/false

Answer 4

True

Question 5

Double fertilization only takes place in angiosperms

True/false

Answer 5

True

Question 6

The central cell after triple fusion is called ________ and develops into ________ while zygote develops into ________

Answer 6

Primary endosperm cell ( PEC) , endosperm , embryo