Nucleus-Nuclear Membrane, Chromatin, Nucleolus NEET Questions

Nucleus-Nuclear Membrane, Chromatin, Nucleolus MCQ Questions

13.

The nucleolus disappears during which phase of the cell cycle?

NEET - 2024

A.

G1 phase.

B.

S phase.

C.

G2 phase.

D.

Prophase.

ANSWER :

D. Prophase.

14.
The nuclear envelope disappears during which phase of cell division?
A.
Bacteria
B.
Metaphase
C.
Anaphase
D.
Telophase
ANSWER :
A. Bacteria
15.
Which component of chromatin provides structural support to DNA?
A.
Histone proteins
B.
Lipids
C.
Carbohydrates
D.
tRNA
ANSWER :
A. Histone proteins
16.
The nucleolus is rich in
A.
Proteins and rRNA
B.
DNA and lipids
C.
Enzymes and mRNA
D.
ATP and tRNA
ANSWER :
A. Proteins and rRNA
17.

The nucleoplasm contains:

NEET - 2018

A.

Only DNA.

B.

DNA, RNA, and proteins.

C.

Only RNA.

D.

Only proteins.

ANSWER :

B. DNA, RNA, and proteins.

18.
Chromatin condenses to form
A.
Ribosomes
B.
Chromosomes
C.
Endoplasmic reticulum
D.
Lysosomes
ANSWER :
B. Chromosomes