Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
MediumMatch Column-$I$ with Column-$II$ and select the correct option using the codes given below:
Column-$I$ Column-$II$ $(A)$ Pistils fused together $(1)$ Gametogenesis $(B)$ Formation of gametes $(2)$ Monocarpellary $(C)$ Hyphae of higher Ascomycetes $(3)$ Syncarpous $(D)$ Unisexual female flower $(4)$ Dikaryotic
| Column-$I$ | Column-$II$ |
|---|---|
| $(A)$ Pistils fused together | $(1)$ Gametogenesis |
| $(B)$ Formation of gametes | $(2)$ Monocarpellary |
| $(C)$ Hyphae of higher Ascomycetes | $(3)$ Syncarpous |
| $(D)$ Unisexual female flower | $(4)$ Dikaryotic |
- A$A-4, B-3, C-2, D-1$
- B$A-2, B-1, C-4, D-3$
- C$A-1, B-2, C-4, D-3$
- D$A-3, B-1, C-4, D-2$
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Give differences: Anther and Ovary.
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View SolutionRead the following statements regarding gynoecium in angiosperms.
$i$. Embryo sac is located towards the micropylar end of the ovule.
$ii$. Placenta is present inside the ovary locules.
$iii$. Stigma serves as the receptive organ for pollen grains.
$iv$. Cells of the nucellus are haploid with abundant food.
$v$. Ovules generally have more haploid cells than diploid cells.
Identify the correct set of statements from the following.
$i$. Embryo sac is located towards the micropylar end of the ovule.
$ii$. Placenta is present inside the ovary locules.
$iii$. Stigma serves as the receptive organ for pollen grains.
$iv$. Cells of the nucellus are haploid with abundant food.
$v$. Ovules generally have more haploid cells than diploid cells.
Identify the correct set of statements from the following.
Sperm cells of angiosperms differ from the rest of the plant groups like gymnosperms by
Medium
View SolutionSelect the incorrect statement from the following:
Medium
View SolutionGiven below are two statements: One is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$: Both wind and water pollinated flowers are not very colourful and do not produce nectar.
Reason $(R)$: The flowers produce an enormous amount of pollen grains in wind and water pollinated flowers.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $(A)$: Both wind and water pollinated flowers are not very colourful and do not produce nectar.
Reason $(R)$: The flowers produce an enormous amount of pollen grains in wind and water pollinated flowers.
In the light of the above statements,choose the correct answer from the options given below:
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