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Question

Nucleus is surrounded by a

A
Single membrane
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B
Double membrane
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C
Triple membrane
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D
No membrane at all
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Solution

The correct option is B Double membrane
In eukaryotic organisms, the nucleus has five parts - nuclear envelope, nucleoplasm, nuclear matrix, chromatin, and nucleolus. The nuclear envelope is also called as karyotheca. It is made up of two membranes, the outer membrane may have ribosomes and interconnections with the ER and the inner membrane is connected with the nucleoplasm.
Hence the correct option is B.

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