The Question is from neet-botany respiration-in-plants fermentation, and it was created by the author K SURESH KUMAR

Question

Which of the following is NOT a typical characteristic of fermentative organisms?

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [D]
## CONCEPT FRAMEWORK
	**Primary Concept**: Characteristics of fermentative organisms
	**Related Topics**: Anaerobic respiration, ATP yield, metabolic pathways
	**Prerequisites**: Understanding of fermentation processes and energy production in cells
## SOLUTION PATHWAY
**Given Information**:
		Fermentative organisms typically thrive in anaerobic conditions and convert substrates into energy through fermentation. They produce various end-products such as alcohol, acids, and gases.
**Method & Steps**:
	1. Identify characteristics of fermentative organisms.
		Reasoning: Fermentation occurs in the absence of oxygen, leading to anaerobic metabolism.
		Formula/Rule: Fermentation pathway is less efficient than aerobic respiration.
	2. Analyze the typical end-products of fermentation.
		Working: Fermentative organisms produce characteristic end-products like lactic acid, ethanol, and carbon dioxide.
		Key Point: The end-products depend on the type of organism and substrate used.
	3. Determine the ATP yield in fermentation compared to aerobic respiration.
		Result: Fermentation yields only 2 ATP per glucose molecule, while aerobic respiration yields around 36-38 ATP.
		Verification: Confirming that the ATP yield is significantly lower in fermentation.
## OPTION ANALYSIS
[A] :x: Anaerobic metabolism is a key characteristic of fermentative organisms, as they thrive in low or no oxygen environments.
[B] :x: Tolerance to acidic conditions is common among fermentative organisms, as many produce acids during fermentation.
[C] :x: Production of characteristic end-products is a hallmark of fermentative organisms, varying by species and substrate.
[D] ✓: High ATP yield per glucose molecule is NOT a typical characteristic of fermentative organisms; they produce significantly less ATP compared to aerobic processes.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing fermentation with aerobic respiration: Remember that fermentation occurs without oxygen and is less efficient in terms of ATP yield.
		2. Misunderstanding the end-products: Focus on the specific products formed by different organisms during fermentation.
	**Quick Tips**:
		1. Recall that fermentation is a survival strategy for many microorganisms in anaerobic environments.
		2. Remember the ATP yield: 2 ATP in fermentation versus up to 38 ATP in aerobic conditions.

K SURESH KUMAR · Answer

Anaerobic metabolism

K SURESH KUMAR · Answer

Tolerance to acidic conditions

K SURESH KUMAR · Answer

Production of characteristic end-products

K SURESH KUMAR · Answer

The correct Option is "High ATP yield per glucose molecule"

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