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Q.

How many of the following organisms have more than one nucleus?
(a) Paramoecium
(b) Mature RBCs
(c) Mature Sieve tube elements

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a

a only

b

a and b

c

a and c

d

a, b and c

answer is A.

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Detailed Solution

Paramoecium has two nuclei within the cell. There is the presence of a large macronucleus and a smaller micronucleus. Mature RBCs and sieve tube cells have no nucleus.

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How many of the following organisms have more than one nucleus?(a) Paramoecium(b) Mature RBCs(c) Mature Sieve tube elements