A mature sieve element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus. The functions of sieve tubes are controlled by the nucleus of companion cells. The companion cells are specialised parenchymatous cells, which are closely associated with sieve tube elements.
Which of the following is an incorrect statement?
NEET UG 2021 — Botany Cell - The Unit of Life
2021mcqeasy
Which of the following is an incorrect statement?
Official previous-year question
Held on 30 Apr 2021 · Verified 9 Jul 2026.
Options
- A
Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.
- B
Microbodies are present both in plant and animal cells.
- C
The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm.
- D
Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm.
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