Cell Biology in Biotechnology MCQs

Question 1

If serum is removed from the growth medium of human embryonic kidney cell line (HEK), then the cells will

Accepted Answer

Undergo cell cycle arrest

Answer

Proliferate faster

Answer

Proliferate normally

Answer

Undergo immediate apoptosis

Question 2

Fusicoccin promotes cotyledon growth by promoting

Accepted Answer

Cell wall acidification

Answer

Cell division

Answer

Cell wall biosynthesis

Answer

Tonoplast acidification

Question 3

In eukaryotic cell, DNA replication takes place during

Accepted Answer

S-phase

Answer

G1-phase

Answer

G2-phase

Answer

M-phase

Question 4

Primary neutransmitter that playa role in sleep, appetite, arousal and mood is

Accepted Answer

Serotonin

Answer

Acetylcholine

Answer

Octopamine

Answer

Glutamate

Question 5

Match the products in Group I with the applications in Group II. Group I Group II P. Digoxin 1. Muscle relaxant Q. Stevioside 2. Anti-cancer agent R. Atropine 3. Cardiovascular disorder S. Vinblastine 4. Sweetener

Accepted Answer

P-3, Q-4, R-1, S-2

Answer

P-1, Q-4, R-3, S-2

Answer

P-3, Q-2, R-1, S-4

Answer

P-2, Q-3, R-1, S-4

Question 6

A cell in G1 of interphase has 12 chromosomes. How many chromatids will be found per cell during metaphase II of meiosis?

Accepted Answer

12

Answer

6

Answer

18

Answer

24

Question 7

Which of the following is a Pattern Recognition Receptor (PRR)?

Accepted Answer

Mannose-binding lectin

Answer

Lipopolysaccharide

Answer

Zymosan

Answer

Peptidoglycan

Question 8

Peptidyl transferase are associated to

Accepted Answer

Larger subunit of ribosomes

Answer

Saller subunit of ribosomes

Answer

Golgi body

Answer

Endoplasmic reticulum

Question 9

In eukaryotes, cytokinesis is inhibited by

Accepted Answer

Cytochalasin D

Answer

Vinblastine

Answer

Nocodazole

Answer

Colchicine