Tag: cell division in embryo development
Questions Related to cell division in embryo development
An anther having four microsporocytes shall produce pollen grains.
Ovule is curved and the embryo sac is horseshoe shaped. Micropyle, chalaza and funicle occur near one another. The ovule is?
Root of flowering plant has $24$ chromosomes. Its gamete would carry chromosomes.
Pollen grains are shed at.
Match the columns with correct combination of endosperm chromosomes.
| Column I | Column II | ||
|---|---|---|---|
| (a) | Pisum sativum | (i) | $72$ |
| (b) | Oryza sativa | (ii) | $24$ |
| (c) | Nicotiaba tabacum | (iii) | $60$ |
| (d) | Allium cepa | (iv) | $36$ |
| $21$ |
Outer wall/ exine of pollen grain is formed of.
Number of chromosomes is $24$ in nucellus. Number of chromosomes in microspore mother cell would be.
Female gamete of angiosperms is represented by.
Study of pollen grains is?
Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is?