Question

The cells that lack nucleus at maturity are

(i) Paramoecium
(ii) Sieve tube cell

(iii) Opalina
(iv) Mammalian RBC



The correct ones are

(1) (i) and (iv)
(2) (ii) and (iii)

(3) (i) and (ii)
(4) (ii) and (iv)​

Answer 1

name two eukaryotic cells that lack a nucleus at maturity. Mature human RBC and sieve tube cells of vascular plants lack nucleus instead of being eukaryotic cells.

• So the correct answer is option (4) i.e (ii) and (iv) Sieve tube cell and mammalian RBC

Answer 2

Explanation:

Paramoecium

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