Class 12BiologySexual Reproduction in Flowering PlantsMix Examples-Sexual Reproduction in Flowering Plants
DifficultGiven below are two statements:
Statement $I$: Cleistogamous flowers are invariably autogamous.
Statement $II$: Cleistogamy is disadvantageous as there is no chance for cross-pollination.
In the light of the above statements,choose the correct answer from the options given below:
Statement $I$: Cleistogamous flowers are invariably autogamous.
Statement $II$: Cleistogamy is disadvantageous as there is no chance for cross-pollination.
In the light of the above statements,choose the correct answer from the options given below:
- ABoth Statement $I$ and Statement $II$ are incorrect.
- BStatement $I$ is correct but Statement $II$ is incorrect.
- CStatement $I$ is incorrect but Statement $II$ is correct.
- DBoth Statement $I$ and Statement $II$ are correct.
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Similar Questions
Which one of the following statements is correct?
Match the following columns regarding the chromosome number in meiocytes $(2n)$ of different organisms:
| Column-$I$ (Organism) | Column-$II$ (Chromosome number in meiocyte) |
| :--- | :--- |
| $p$. Ophioglossum | $v$. $20$ |
| $q$. Apple | $w$. $34$ |
| $r$. Rice | $x$. $24$ |
| $s$. Maize | $y$. $42$ |
| | $z$. $1260$ |
| Column-$I$ (Organism) | Column-$II$ (Chromosome number in meiocyte) |
| :--- | :--- |
| $p$. Ophioglossum | $v$. $20$ |
| $q$. Apple | $w$. $34$ |
| $r$. Rice | $x$. $24$ |
| $s$. Maize | $y$. $42$ |
| | $z$. $1260$ |
Easy
View SolutionBranched type of pollen tube is formed in
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:
DifficultNEET 2025
View SolutionHow many meiotic divisions are required to produce $101$ female gametophytes (embryo sacs) in an angiosperm?
Medium
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