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#19
Polar nuclei fuse to produce Diploid secondary nucleus.
#20
After fertilisation the antipodal cells undergo meosis
#21
In which of the following double fertilisation occurs.
Ans:- Angiosperm s
#22..
In angiosperms pollen grains germinate on the Anther.
Answer:
q.19 Diploid Secondary nucleus
q.20 Undergoes miosis
q.21 Angiosperms
q.22Anther