Cotyledons are
- AModified roots
- BEmbryonic leaves
- CKnown as primary endosperm nucleus
- DPresent in gymnospermic seeds only
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Similar Questions
What is the scutellum?
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View SolutionWho first studied embryogeny in $Capsella$?
Easy
View SolutionIn angiosperms,the embryo is developed at . . . . . . of the embryo sac.
Match the embryonal cell in Column-$I$ with their origin given in Column-$II$ and choose the correct options given below.
Column-$I$ Column-$II$ $a$. Suspensor initial $i$. Large basal cell of the $2$-celled pro-embryo $b$. Embryonal initial $ii$. First cell of the suspensor towards micropylar end $c$. Haustorium $iii$. Lowermost cell of the suspensor $d$. Hypophysis $iv$. Small terminal cell of $2$-celled pro-embryo
| Column-$I$ | Column-$II$ |
| $a$. Suspensor initial | $i$. Large basal cell of the $2$-celled pro-embryo |
| $b$. Embryonal initial | $ii$. First cell of the suspensor towards micropylar end |
| $c$. Haustorium | $iii$. Lowermost cell of the suspensor |
| $d$. Hypophysis | $iv$. Small terminal cell of $2$-celled pro-embryo |
Why do you think the zygote is dormant for some time in a fertilized ovule?
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