The Question is from neet-botany sexual-reproduction-in-flowering-plants , and it was created by the author Mr. NARESH KUMAR K

Question

Which of the following is NOT a characteristic of a mature pollen grain?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [Option C]
## CONCEPT FRAMEWORK
	**Primary Concept**: Characteristics of mature pollen grains
	**Related Topics**: Plant reproduction, male gametophyte structure
	**Prerequisites**: Understanding of plant biology and pollen development
## SOLUTION PATHWAY
**Given Information**:
		1. Characteristics of mature pollen grains include structural and cellular features.
		2. Understanding of the components of pollen grains.
**Method & Steps**:
	1. Identify characteristics of mature pollen grains:
		- Mature pollen grains typically have a hard outer exine layer.
		- They contain a generative cell and a vegetative cell.
		- They serve as the male gametophyte in plants.
	2. Evaluate the statement regarding binucleate status:
		- While many mature pollen grains are binucleate, it is not a universal characteristic. Some may be trinucleate or have different configurations.
	3. Conclusion:
		- Therefore, the statement "It is always binucleate" is not always true, making it the correct answer for the question.
## OPTION ANALYSIS
[A] :x: "It has a hard outer exine layer" - This is a characteristic of mature pollen grains.
[B] :x: "It contains a generative cell and a vegetative cell" - This is also a characteristic of mature pollen grains.
[C] ✓: "It is always binucleate" - This is NOT a characteristic; some mature pollen grains can have different nucleate configurations.
[D] :x: "It is the male gametophyte" - This is a defining feature of mature pollen grains.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing the structures in pollen grains - Review the parts and functions of pollen grains.
		2. Assuming all pollen grains have the same nucleate configuration - Understand the variability across species.
	**Quick Tips**:
		1. Remember that pollen grain characteristics can vary; always check species-specific information.
		2. Use mnemonic devices to remember the main components of pollen grains: "Exine, Generative, Vegetative" (EGV).

Mr. NARESH KUMAR K · Answer

It has a hard outer exine layer

Mr. NARESH KUMAR K · Answer

It contains a generative cell and a vegetative cell

Mr. NARESH KUMAR K · Answer

The correct Option is "It is always binucleate"

Mr. NARESH KUMAR K · Answer

It is the male gametophyte

NEET Botany Sexual Reproduction in Flowering Plants MCQs

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