Statement I: The red blood cells in mammals and phloem sieve tubes in plants do not have nucleus in them.
Statement II: These cells do not have nucleus at any stage of their life.

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Statement I is correct, II is incorrect

Statement I is incorrect, II is correct

Both Statements I & II are correct

Both Statements I & II are incorrect

answer is A.

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Detailed Solution

The common characteristic feature of plant sieve tube and mammalian erythrocyte is the absence of nucleus.
Sieve tubes are the components of phloem and do not contain nucleus.
Erythrocytes in mammalian cell also do not contain nucleus.

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