Nucleus is absent in

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) In mature $Sieve 	ext{ } tubes$, the nucleus is absent to facilitate the efficient transport of food materials through the phloem.Companion cells

Vedclass · Accepted Answer

Sieve tubes

Vedclass · Answer

(A) In mature $Sieve 	ext{ } tubes$, the nucleus is absent to facilitate the efficient transport of food materials through the phloem.Companion cells, however, contain a nucleus and regulate the metabolic activities of the sieve tubes.Chlorenchyma cells are living parenchyma cells containing chloroplasts and possess a nucleus.Therefore, the correct answer is $A$.

Similar Questions

Assertion : Vessels are more efficient for water conduction as compared to tracheids.
Reason : Vessels are dead lignified.

Collenchyma is found in which of the following?

The walls of sclerenchyma are:

What does the term $Leptom$ represent in plant anatomy?

Identify the odd one out.

Vedclass Test Series

Exam Paper Generator

Online Exam Module