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

Question

The waxy coating on the surface of a leaf that prevents water loss is called the:

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: Plant anatomy and physiology, specifically the structure and function of leaves.
 **Related Topics**: Transpiration, water conservation in plants, cuticle structure and composition.
 **Prerequisites**: Basic understanding of plant cell structures and their functions.
## SOLUTION PATHWAY
**Given Information**:
  The question describes a waxy coating on a leaf that prevents water loss.
  The options are: Epidermis, Mesophyll, Cuticle, Stomata.
**Method & Steps**:
 1. Identify the function: The coating prevents water loss through transpiration.
  Reasoning: Transpiration is the process of water evaporation from the leaf surface.  A waxy layer would reduce this evaporation.
  Formula/Rule:  None directly applicable.
 2. Identify the structure:  Which of the options is a waxy layer on the leaf surface?
  Working: 
            * Epidermis: The outer layer of cells, but not necessarily waxy.
            * Mesophyll: The inner tissue of the leaf, responsible for photosynthesis.
            * Cuticle: A waxy, waterproof layer covering the epidermis of leaves, stems and fruits.
            * Stomata: Tiny pores on the leaf surface for gas exchange, not a waxy layer.
  Key Point: The cuticle is specifically adapted for preventing water loss.
 3. Select the correct option.
  Result: Cuticle
  Verification: The cuticle's waxy nature directly relates to its function in reducing water loss through transpiration.
 ## OPTION ANALYSIS
A :x: Epidermis is the outer layer of cells but doesn't specifically refer to the waxy coating.
B :x: Mesophyll is the photosynthetic tissue inside the leaf, not the outer waxy layer.
C ✓: Cuticle is the correct answer; it's the waxy layer that prevents water loss.
D :x: Stomata are pores for gas exchange; they are not a waxy coating and actually contribute to water loss.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing cuticle with epidermis:  Remember that the cuticle is a *layer* on top of the epidermis.
  2.Focusing on gas exchange: The question is about water loss, not gas exchange (the function of stomata).
 **Quick Tips**:
  1.Remember the word 'cuticle' and associate it with 'cut' (to reduce) and 'icle' (small, implying a thin layer) to help remember its function.
  2.Visualize a leaf's surface and imagine a shiny, waxy layer; that's the cuticle.

B VENKAT · Answer

Epidermis

B VENKAT · Answer

Mesophyll

B VENKAT · Answer

The correct Option is "Cuticle"

B VENKAT · Answer

Stomata

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