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प्रश्न
Which of the following does not lose their nucleus at maturity?
विकल्प
Companion cells
Red blood cells
Vessel
Sieve tube cells
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उत्तर
Companion cells
Companion cells are narrow, elongated, thin-walled, living cells. They have dense cytoplasm and a prominent nucleus. Red blood cells of mammals, vessels (xylem elements), and sieve tube cells (phloem elements) lose their nuclei at maturity.
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संबंधित प्रश्न
Define the term of connective tissue
List one function of the Following:
Osteoblast
Name the following :
(a) Tissue which stores fat
Write the name of the following tissue.
Tissue joining muscles and bones.
Name the kind of tissue found at the joint between two long bones.
Why is blood called a tissue? Give reasons.
Write the classification of connective tissue and their functions.
Give reasons for
We get a crunchy and granular feeling when we chew pear fruit.
Give reasons for
Branches of a tree move and bend freely in high wind velocity.
Which one of the following is NOT a connective tissue?
