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I. Vessel, II. Tracheids, III. Companion cells Which of the following is/are living cells? |
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a) |
I and II |
b) |
Only III |
c) |
II and III |
d) |
Only I |
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I. Vessel, II. Tracheids, III. Companion cells Which of the following is/are living cells? |
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|
a) |
I and II |
b) |
Only III |
c) |
II and III |
d) |
Only I |
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(b) Companion cells are present between the sieve tubes in the phloem of angiosperms. There are living cells with a large nucleus that controls the activity of non-nucleated sieve tubes |