Nucleus is absent in

Companion cells

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Sieve tube cells

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Phloem parenchyma

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Cambium

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Solution

The correct option is A Sieve tube cells
Sieve tube is an elongated living cell of the phloem which is responsible for the transportation of food (mostly sugar).
At maturity, the nucleus of the sieve tube gets fragmented and disappears along with the cellular organelles.
So, the correct answer is 'Sieve tube cells'.

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Similar questions

Which one of the following has cytoplasm but no nucleus : (a) xylem vessel
(b) sieve tube
(c) tracheid
(d) companion cell

\begin{matrix} Column I & Column II A & Sieve tubes & I & Absent in monocots mostly B & Companion cells & II & Sclerenchymatous cells C & Phloem parenchyma & III & Nucleus controlling sieve tubes D & Bast fibres & IV & Conducting element \end{matrix}

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