Tag: reproduction
Questions Related to reproduction
Pollen grain represents.
Point out the odd one.
Ovule is tritegmic in.
Exine of pollen grain is formed of.
Crassinucellate ovule has.
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) | $36$ |
| $21$ |