Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
EasyBamboo species flower only in
- A$50-100\; \text{years}$
- B$25-50\; \text{years}$
- C$75-100\; \text{years}$
- D$60-80\; \text{years}$
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Similar Questions
Choose the odd one with respect to the gynoecium.
Medium
View SolutionMake the correct pair:
Column-$I$ Column-$II$ $A$. Tapetum $i$. Degenerate during development $B$. Intine $ii$. Resistant organic materials $C$. Vegetative cell $iii$. Pollen tube $D$. Sporopollenin $iv$. Provide nourishment to pollen grains
| Column-$I$ | Column-$II$ |
| $A$. Tapetum | $i$. Degenerate during development |
| $B$. Intine | $ii$. Resistant organic materials |
| $C$. Vegetative cell | $iii$. Pollen tube |
| $D$. Sporopollenin | $iv$. Provide nourishment to pollen grains |
Medium
View SolutionAn angiospermic male plant with $24$ chromosomes in its pollen mother cells is crossed with a female plant bearing $24$ chromosomes in its root cells. What would be the ploidy of the embryo and endosperm respectively formed after this cross?
Which of the following plants produce fruits that contain thousands of seeds?
Medium
View SolutionHow many meiotic divisions are required to produce $100$ pollen grains in wheat?
Easy
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