An organised and differentiated cellular structure
having cytoplasm but no nucleus is
(a) vessels
(b) xylem parenchyma
(c) sieve tubes
(d) tracheids
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An organized and differentiated cellular structure having cytoplasm but no nucleus is:
(c) sieve tubes
- Sieve cells play a vital role in the function of phloem.
- They are the food conducting elements that possess the nucleus in the young stage. The nucleus disappears at the mature stage.
- It's central part consist of organized and differentiated cellular structure. There is a network of cytoplasmic strands
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An organised and differentiated cellular structure having cytoplasm but no nucleus is sieve tubes.
option (C) is correct.
Explanation:
- In phloem the food is transported from one place to another through sieve tubes.
- Theses are the food conducting compartment of a plant.
- Phloem tissue contain nucleus which gradually disappears as they get old and mature.
- The central part of sieve tube has an organised and differentiated cellular structure.
- It has a network of cytoplasmic strands.
Thus an organised and differentiated cellular structure having cytoplasm but no nucleus is sieve tubes.
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