The Question is from neet-botany morphology-of-flowering-polants , and it was created by the author B VENKAT

Question

The leaf parts gets modified into spines in order to

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
**Primary Concept**: Plant adaptations for survival
**Related Topics**: Transpiration, Surface area reduction, Herbivore defense
**Prerequisites**: Basic understanding of plant anatomy and physiology
## SOLUTION PATHWAY
**Given Information**:
  * Leaf parts are modified into spines.
  * Options relate to various functions of plant structures.
**Method & Steps**:
 1. Analyze each option individually.
    Reasoning: Evaluate the purpose of spines in the context of the given options.
 2.  Option A: Spines reduce surface area, which in turn reduces water loss through transpiration.
    Working: Spines have less surface area than leaves, reducing the area for evaporation.
    Key Point: Transpiration is the process of water loss from plant leaves.
 3. Option B: Spines have a significantly reduced surface area compared to leaves.
    Working: The smaller the surface area the less water is lost.
    Key Point: Reduction in surface area is a primary function of spines.
 4. Option C: Spines serve as a physical barrier, deterring animals from eating the plant.
    Working: Spines act as a defense mechanism against herbivores.
    Key Point: Protection is a major function of spines.
 5. Determine the correct option.
    Result: All the options are correct, therefore, 'All of the above' is the correct answer.
    Verification: Spines serve all the functions listed.
 ## OPTION ANALYSIS
[A] :x:  Reduce transpiration is a valid reason but not the only reason
[B] :x: Reduce surface area is a valid reason but not the only reason
[C] :x: Protect the plant from grazing animals is a valid reason but not the only reason
[D] ✓: All the given options are functions of plant spines.
 ## LEARNING AIDS
**Common Mistakes**:
 1. Focusing on a single function of spines instead of considering multiple functions.
    How to avoid: Consider all possible roles of spines in the plant's survival.
 2.  Misunderstanding the concept of transpiration.
    How to avoid: Review the definition of transpiration and its impact on plants.
**Quick Tips**:
 1. Remember that plant adaptations usually serve multiple purposes.
 2. Think about the environmental pressures on plants when evaluating their adaptations.

B VENKAT · Answer

Reduce transpiration

B VENKAT · Answer

Reduce surface area

B VENKAT · Answer

Protect the plant from grazing animals

B VENKAT · Answer

The correct Option is "All of the above"

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