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Tracheid, vessel and sclereids are simil...

Tracheid, vessel and sclereids are similar in that they all –

A

Lack secondary walls

B

Conduct water and minerals

C

Function when dead

D

Have open ends

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question about the similarities between tracheids, vessels, and sclereids, we need to analyze the characteristics of each type of cell. ### Step-by-Step Solution: 1. **Identify the Cell Types**: - Tracheids: These are long, narrow cells found in the xylem of vascular plants. They help in the conduction of water and minerals. - Vessels: These are also part of the xylem and are wider than tracheids. They are more efficient in conducting water. - Sclereids: These are a type of sclerenchyma cell that provides structural support. They can be found in various plant tissues. 2. **Function of Each Cell Type**: - Tracheids and vessels primarily function in water conduction. - Sclereids provide mechanical support and protection but do not conduct water. 3. **Determine Common Features**: - All three cell types (tracheids, vessels, and sclereids) are part of the plant's vascular system. - They all have thickened secondary cell walls, which contribute to their structural integrity. 4. **Assess the Options**: - Option 1 (Secondary walls): Incorrect, as sclereids do have secondary walls. - Option 2 (Conduct water and minerals): Incorrect, since sclereids do not conduct water. - Option 3 (Function when dead): Correct, as all three types of cells are dead at maturity. - Option 4 (Half open-ended): Incorrect, as it does not apply to all three types. 5. **Conclusion**: The correct answer is that tracheids, vessels, and sclereids are similar in that they all function when dead. ### Final Answer: Tracheids, vessels, and sclereids are similar in that they all function when dead. ---
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