Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
MediumIdentify the incorrect statement.
- AAll algae undergo internal fertilization.
- BCell division increases the number of cells in the developing embryo.
- CIn algae and fungi,the zygote develops a thick wall and undergoes a period of rest before germination.
- DAfter fertilization,the sepals,petals,and stamens of the flower wither and fall off.
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Similar Questions
Match the following:
Column-$I$ Column-$II$ $(1)$ Grasses $(P)$ Prevent autogamy and geitonogamy $(2)$ Hydrilla $(Q)$ Wind pollination $(3)$ Cleistogamous flower $(R)$ Water pollination $(4)$ Papaya $(S)$ Autogamy
| Column-$I$ | Column-$II$ |
|---|---|
| $(1)$ Grasses | $(P)$ Prevent autogamy and geitonogamy |
| $(2)$ Hydrilla | $(Q)$ Wind pollination |
| $(3)$ Cleistogamous flower | $(R)$ Water pollination |
| $(4)$ Papaya | $(S)$ Autogamy |
Medium
View Solution$A$ : Continued self-pollination checks inbreeding depression.
$R$ : Pollen release and stigma receptivity are synchronised.
$R$ : Pollen release and stigma receptivity are synchronised.
Medium
View SolutionPolysiphonous pollen grains are found in........
Easy
View SolutionWhich of the following statements is $NOT$ correct?
Medium
View SolutionStudy the following statements and select the correct option:
$(i)$ Tapetum nourishes the developing pollen grains.
$(ii)$ Hilum represents the junction between the ovule and the funicle.
$(iii)$ In aquatic plants such as Water hyacinth and Water lily,pollination occurs by water.
$(iv)$ The primary endosperm nucleus is haploid.
$(i)$ Tapetum nourishes the developing pollen grains.
$(ii)$ Hilum represents the junction between the ovule and the funicle.
$(iii)$ In aquatic plants such as Water hyacinth and Water lily,pollination occurs by water.
$(iv)$ The primary endosperm nucleus is haploid.
Medium
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