Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
EasyContinued self-pollination results in
- Aformation of unisexual flowers
- Binbreeding depression
- Cgametes lose vigour
- Dself-incompatibility
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Similar Questions
Give differences: Microsporogenesis and Megasporogenesis.
Medium
View SolutionMatch the entries in Column-$I$ with those of Column-$II$ and choose the correct answer.
Column-$I$ Column-$II$ $A$. Cleistogamy $m$. Insect pollination $B$. Geitonogamy $n$. Bud pollination $C$. Entomophily $o$. Pollination between flowers in the same plant $D$. Xenogamy $p$. Wind pollination $q$. Cross pollination
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. Cleistogamy | $m$. Insect pollination |
| $B$. Geitonogamy | $n$. Bud pollination |
| $C$. Entomophily | $o$. Pollination between flowers in the same plant |
| $D$. Xenogamy | $p$. Wind pollination |
| $q$. Cross pollination |
For the formation of $140$ angiospermic seeds,how many meiotic cell divisions are expected?
Which plant has the longest pollen tube?
Easy
View SolutionSelect the correct option with respect to the chromosome number in the sexual life cycle of an apple $(2n = 34)$.
Medium
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