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Which of the following is correct regard...

Which of the following is correct regarding microsporogenesis in an anther?
(a) Each microsporogenesis involves one meiosis
(b) Only 1 microspore mother cell differentiates in one pollen sac.
(c) It only consumes tapetum and not endothecium.
(d) Microspore tetrad is always trihedral.

A

Each microsporogenesis involves one meiosis

B

Only 1 microspore mother cell differentiates in one pollen sac.

C

It only consumes tapetum and not endothecium.

D

Microspore tetrad is always trihedral.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding microsporogenesis in an anther, let's analyze each option step by step. ### Step-by-Step Solution: 1. **Understanding Microsporogenesis**: - Microsporogenesis is the process by which microspores are formed from microspore mother cells (also known as pollen mother cells) through meiosis. This occurs in the anther of flowering plants. 2. **Evaluating Option (a)**: - **Statement**: "Each microsporogenesis involves one meiosis." - **Analysis**: This statement is correct. During microsporogenesis, each microspore mother cell undergoes one meiotic division to produce four haploid microspores. Therefore, this option is true. 3. **Evaluating Option (b)**: - **Statement**: "Only 1 microspore mother cell differentiates in one pollen sac." - **Analysis**: This statement is incorrect. In each pollen sac, multiple microspore mother cells can differentiate and undergo meiosis to produce several microspores. Hence, this option is false. 4. **Evaluating Option (c)**: - **Statement**: "It only consumes tapetum and not endothecium." - **Analysis**: This statement is also incorrect. Both the tapetum and endothecium are supportive tissues in the anther that provide nutrients and support during the development of pollen grains. Therefore, this option is false. 5. **Evaluating Option (d)**: - **Statement**: "Microspore tetrad is always trihedral." - **Analysis**: This statement is incorrect. Microspores can form tetrads that are typically tetrahedral or rhomboidal in shape, but they are not always trihedral. Therefore, this option is false. ### Conclusion: After evaluating all the options, the only correct statement regarding microsporogenesis in an anther is: - **Correct Answer**: (a) Each microsporogenesis involves one meiosis.
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