The following figure shows a mature embryo sac. Where do the male gametes fuse?
- A$P$ and $Q$
- B$P$ and $R$
- C$Q$ and $R$
- D$Q$ and $S$
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Double fertilization in angiosperms was first discovered by $S.G. \text{Nawaschin}$ in . . . . . . plants.
Assertion $(A)$: In roses,the endosperm is formed after fertilization.
Reason $(R)$: Double fertilization is observed in angiosperms.
Reason $(R)$: Double fertilization is observed in angiosperms.
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View SolutionDifferentiate between the following:
$(i)$ Red algae and brown algae
$(ii)$ Liverworts and moss
$(iii)$ Homosporous and heterosporous pteridophytes
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$(i)$ Red algae and brown algae
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