Tag: reproduction - the generating system
Questions Related to reproduction - the generating system
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?
Microspore mother cell forms.
Which of the following statements is not correct?
Which is not properly matched?
Chromosome number in pollen grain is $6$. What shall be it's number in leaf tip cells.