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प्रश्न
Which cell does not have perforated cell wall?
पर्याय
Tracheids
Companion cells
Sieve tubes
Vessels
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उत्तर
Companion cells
Explanation -
Companion cells are narrow, elongated, thin-walled, living cells. They lie on the sides of the sieve tubes and are closely associated with them through plasmodesmata. Companion cells do not possess perforated cell walls.
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संबंधित प्रश्न
What is a meristematic tissue?
How is meristematic tissue different from permanent tissues?
Fill in the blank by selecting suitable words from the list given below:
Conducting tissue is also called .............. tissue.
Write one main function of
(a) Apical meristem
(b) Lateral meristem
What are meristematic tissues? Explain with the help of suitable diagram. Give their classification on the basis of their position in the plant body.
Write a short note.
Meristematic tissue
Parenchyma, collenchyma, Sclerenchyma are______ type of tissue.
State whether true or false. If false, correct the statement.
Vessels are found in collenchyma.
Parenchyma cells are
Vascular cambium is a ______.
