These Cell Biology MCQ With Answers PDF are most important for your upcoming competitive examinations including NEET, AIIMS are other board exams of Class-8, Class-9, Class-10, Class-11, and Class-12.
Cell Biology MCQ With Answers PDF
1. The longest known polypeptide is the muscle protein called __________
a) chitin
b) myoglobin
c) titin
d) papain
Answer: c
2. Which of the following amino acids does not belong to polar charged group?
a) Serine
b) Aspartic acid
c) Lysine
d) Arginine
Answer: a
3. Which residues are present in histone proteins?
a) Lysine & proline
b) Glutamic acid & aspartic acid
c) Arginine & Histidine
d) Serine & Cysteine
Answer: c
4. Which of the following groups of amino acids are least soluble in water?
a) Polar
b) Non-polar
c) Polar charged
d) Polar uncharged
Answer: b
5. Which monomers compose the strands of nucleic acids?
a) Amino acids
b) Ribose
c) Functional groups
d) Nucleotides
Answer: d
6. What are the types of nucleic acids are found in living organisms?
a) deoxyribonucleic acid & nucleotide acid
b) deoxyribonucleic acid & ribonucleic acid
c) ribonucleic acid & nucleotide acid
d) ribonucleic acid & nucleoside acid
Answer: b
7. How many types of nucleotides are present in DNA?
a) 1
b) 2
c) 3
d) 4
Answer: d
8. Ribozymes are _____________
a) cell organelle
b) enzymes
c) nucleotide
d) nucleoside
Answer: b
9. ATP and GTP are __________
a) cells
b) receptors
c) nucleotides
d) nucleic acids
Answer: c
10. Mercaptoethanol breaks which bonds present in the protein?
a) Hydrogen
b) Disulphide
c) Covalent
d) Non-covalent
Answer: b
11. The tertiary structure of a protein corresponds to which energy state?
a) Lowest
b) Highest
c) Intermediate
d) Ever-changing
Answer: a
12. The Creutzfeld-Jacob disease attacks the ______________
a) heart
b) lungs
c) kidney
d) brain
Answer: d
13. Which protein is involved in Creutzfeld-Jacob disease (CJD)?
a) Myoglobin
b) Myosin
c) Keratin
d) Prion
Answer: d
14. Amyloid is a ____________
a) disease
b) tumor
c) fibrillar deposits
d) cell mass
Answer: c
15. Which peptide for the treatment of Alzheimer’s disease was approved by the government for phase I clinical trial?
a) Ab
b) Ab43
c) Aβ42
d) Aβ43
Answer: c
16. Which of the following is an antibody against Aβ42 peptide?
a) Bapineuzumab
b) Cytoxan
c) Doxil
d) Adriamycin
Answer: a
17. Which of the following is an NSAID for Alzheimer’s disease, that lead to Phase III clinical trials?
a) Bapineuzumab
b) Alzhemed
c) Flurizan
d) Doxil
Answer: c
18. In addition to amyloid-β peptide, which other protein is misfolded in the brains of Alzheimer’s disease patients?
a) Alpha
b) Zau
c) Theta
d) Tau
Answer: d
19. Methylthionium chloride is a __________________
a) drug
b) neuronal cell
c) cell marker
d) placebo
Answer: a
20. What are molecular chaperones?
a) Enzymes
b) Cell mass
c) Tumor
d) Helper proteins
Answer: d
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