The Question is from neet-botany morphology-of-flowering-polants leaf, and it was created by the author K SURESH KUMAR

Question

The tissue in a leaf where most photosynthesis occurs is called:

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
	**Primary Concept**: Plant anatomy and physiology, specifically photosynthesis.
	**Related Topics**: Leaf structure, chloroplasts, mesophyll cell types (palisade and spongy).
	**Prerequisites**: Basic understanding of plant tissues and the process of photosynthesis.
## SOLUTION PATHWAY
**Given Information**:
	The question asks about the leaf tissue primarily responsible for photosynthesis.
**Method & Steps**:
	1. Recall the structure of a leaf. A leaf is composed of several tissues, including the epidermis, xylem, phloem, and mesophyll.
		Reasoning: We need to identify the tissue containing the most chloroplasts, as chloroplasts are the organelles where photosynthesis takes place.
		Formula/Rule: None directly applicable, this is based on biological knowledge.
	2. Identify the tissue with the highest concentration of chloroplasts.
		Working: The mesophyll tissue, particularly the palisade mesophyll, is densely packed with chloroplasts.  The epidermis is primarily for protection, while xylem and phloem transport water and sugars respectively.
		Key Point: Palisade mesophyll cells are elongated and arranged vertically to maximize light absorption for photosynthesis.
	3. Determine the correct answer based on the chloroplast concentration.
		Result: Mesophyll is the correct answer.
		Verification:  The high density of chloroplasts in the mesophyll confirms its role as the primary site of photosynthesis.
## OPTION ANALYSIS
A :x: Epidermis: The epidermis is the outer layer of the leaf; its primary function is protection, not photosynthesis.
B :x: Xylem: Xylem transports water and minerals from the roots to the leaves; it does not directly participate in photosynthesis.
C :x: Phloem: Phloem transports sugars produced during photosynthesis; it does not directly carry out photosynthesis.
D ✓: Mesophyll: The mesophyll, particularly the palisade mesophyll, contains the majority of chloroplasts and is the primary site of photosynthesis.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing xylem and phloem with photosynthetic tissues: Remember that xylem and phloem are involved in transport, not photosynthesis.
		2. Focusing solely on the epidermis: The epidermis' protective function should not be mistaken for a photosynthetic role.
	**Quick Tips**:
		1. Remember the key function of each leaf tissue to easily eliminate incorrect options.
		2. Associate chloroplasts with photosynthesis and visualize their location within the leaf.

K SURESH KUMAR · Answer

Epidermis

K SURESH KUMAR · Answer

Xylem

K SURESH KUMAR · Answer

Phloem

K SURESH KUMAR · Answer

The correct Option is "Mesophyll"

NEET Botany Morphology of Flowering Plants Leaf MCQs

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