The Question is from neet-botany anatomy-of-flowering-plants xylem, and it was created by the author Mr. NARESH KUMAR K

Question

Which of these is NOT a characteristic feature of vessels in xylem?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: Xylem structure and function
 **Related Topics**: Plant anatomy, vascular tissues, tracheids
 **Prerequisites**: Basic knowledge of plant cells and tissues.
## SOLUTION PATHWAY
**Given Information**:
  The question asks to identify a feature NOT characteristic of xylem vessels.
  Options describe different features of xylem vessels.
**Method & Steps**:
 1. Analyze each option to determine if it accurately describes xylem vessels.
  Reasoning: Xylem vessels are crucial for water transport in plants. Their structure is optimized for this function.
  Formula/Rule: None directly applicable.
 2. Evaluate each option against the known characteristics of xylem vessels.
  Working: 
        * **Option A:** Xylem vessels are indeed long, cylindrical, tube-like structures.
        * **Option B:**  Xylem vessels are formed by the end-to-end fusion of vessel elements.
        * **Option C:**  Xylem vessels have bordered pits on their lateral walls, but they also have them on their end walls (perforation plates).  This option is incorrect because it states that bordered pits are ONLY on lateral walls.
        * **Option D:** Xylem vessels are generally wider than tracheids.
 3. Identify the option that does NOT accurately describe a feature of xylem vessels.
  Result: Option C is the incorrect statement.
  Verification:  Refer to standard botany textbooks or reliable online resources to confirm the characteristics of xylem vessels.
 ## OPTION ANALYSIS
A ✓: Xylem vessels are long, cylindrical tubes.
B ✓: Xylem vessels are formed by the fusion of vessel elements.
C :x: Xylem vessels have bordered pits on both lateral and end walls (perforation plates). The statement that pits are *only* on lateral walls is false.
D ✓: Xylem vessels are typically wider than tracheids.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing the characteristics of xylem vessels with those of tracheids: Tracheids and vessels both transport water, but have structural differences.
  2.Overlooking the presence of bordered pits on end walls (perforation plates) of xylem vessels.
 **Quick Tips**:
  1.Remember the key structural features of xylem vessels: elongated, hollow tubes formed from vessel elements, with bordered pits and perforation plates.
  2.Visualize the structure of a xylem vessel to help remember its characteristics.

Mr. NARESH KUMAR K · Answer

Long cylindrical tube-like structures

Mr. NARESH KUMAR K · Answer

Formed by end-to-end fusion of vessel elements

Mr. NARESH KUMAR K · Answer

The correct Option is "Presence of bordered pits only on lateral walls"

Mr. NARESH KUMAR K · Answer

Generally wider than tracheids

NEET Botany Anatomy of Flowering Plants Xylem MCQs

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