MCQOPTIONS
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MCQOPTIONS
This section includes 113 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following steroids is a precursor of hormones such as testosterone, progesterone and estrogen? |
| A. | Collagen |
| B. | Glycogen |
| C. | Cholesterol |
| D. | Glycerol |
| Answer» D. Glycerol | |
| 2. |
In an amino acid, the carboxyl group and amino group are separated from each other by a single ____________ atom. |
| A. | nitrogen |
| B. | sulphur |
| C. | hydrogen |
| D. | carbon |
| Answer» E. | |
| 3. |
Which of the following is an antibody against Aβ42 peptide? |
| A. | Bapineuzumab |
| B. | Cytoxan |
| C. | Doxil |
| D. | Adriamycin |
| Answer» B. Cytoxan | |
| 4. |
Ribozymes are _____________ |
| A. | cell organelle |
| B. | enzymes |
| C. | nucleotide |
| D. | nucleoside |
| Answer» C. nucleotide | |
| 5. |
Mercaptoethanol breaks which bonds present in the protein? |
| A. | Hydrogen |
| B. | Disulphide |
| C. | Covalent |
| D. | Non-covalent |
| Answer» C. Covalent | |
| 6. |
Ribosomes consist of RNA and _____________ |
| A. | carbohydrates |
| B. | nucleic acids |
| C. | proteins |
| D. | nucleotides |
| Answer» D. nucleotides | |
| 7. |
Lipids cannot dissolve in _____________ |
| A. | organic solvents |
| B. | chloroform |
| C. | benzene |
| D. | water |
| Answer» E. | |
| 8. |
TMV particles are not capable of self-assembly. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 9. |
Which type of carbohydrates lead to the formation of glycolipids and glycoproteins? |
| A. | Oligosaccharides |
| B. | Monosaccharides |
| C. | Glycogen |
| D. | Glucose |
| Answer» B. Monosaccharides | |
| 10. |
Rubisco is a ________________ |
| A. | nucleic acid |
| B. | protein |
| C. | carbohydrate |
| D. | fiber |
| Answer» C. carbohydrate | |
| 11. |
Chaperones bind to which type of amino acid residues in the protein? |
| A. | Charged |
| B. | Uncharged |
| C. | Hydrophobic |
| D. | Hydrophilic |
| Answer» D. Hydrophilic | |
| 12. |
TriC is a _____________ |
| A. | hsp70 |
| B. | chaperonin |
| C. | organelle |
| D. | enzyme |
| Answer» C. organelle | |
| 13. |
How many types of nucleotides are present in DNA? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 14. |
Which type of bonds present in vegetable fats account for their liquid state? |
| A. | Single bonds |
| B. | Double bonds |
| C. | Amide bonds |
| D. | Glycosidic bonds |
| Answer» C. Amide bonds | |
| 15. |
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» D. Doxil | |
| 16. |
Enzyme lactase is found in ______________ |
| A. | nucleus |
| B. | ribosome |
| C. | plasma membrane |
| D. | golgi complex |
| Answer» D. golgi complex | |
| 17. |
Which of the following polysaccharide is not entirely composed of glucose subunits? |
| A. | Lactose |
| B. | Starch |
| C. | Glycogen |
| D. | Cellulose |
| Answer» B. Starch | |
| 18. |
Histidine is a polar uncharged amino acid. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 19. |
Fatty acids that lack double bonds are call saturated. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 20. |
How many carboxyl groups are present in fatty acids? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 21. |
Heptoses are __________ |
| A. | sugars |
| B. | proteins |
| C. | amino acids |
| D. | monomers |
| Answer» B. proteins | |
| 22. |
Amino acids used in the synthesis of proteins on a ribosome are ________________ |
| A. | D-amino acids |
| B. | Mutated amino acids |
| C. | L-amino acids |
| D. | Fluorescing amino acids |
| Answer» D. Fluorescing amino acids | |
| 23. |
Tobacco Mosaic Virus consists of one long molecule of ______________ |
| A. | DNA |
| B. | Carbohydrates |
| C. | Glycerol |
| D. | RNA |
| Answer» E. | |
| 24. |
Buffers react with _______________ ions. |
| A. | hydrogen, hydroxyl |
| B. | magnesium, calcium |
| C. | potassium |
| D. | sodium |
| Answer» B. magnesium, calcium | |
| 25. |
Sucrose and lactose are _____________ |
| A. | monosaccharides |
| B. | disaccharides |
| C. | pentoses |
| D. | polyssaccharides |
| Answer» C. pentoses | |
| 26. |
Which types of bonds are found in fats? |
| A. | amide |
| B. | glycosidic |
| C. | ester |
| D. | acidic |
| Answer» D. acidic | |
| 27. |
Amyloid is a ____________ |
| A. | disease |
| B. | tumor |
| C. | fibrillar deposits |
| D. | cell mass |
| Answer» D. cell mass | |
| 28. |
The compounds which have same chemical reactivity but structures which are mirror images of each other are known as ____________ |
| A. | isoforms |
| B. | allotropes |
| C. | enantiomers |
| D. | isomers |
| Answer» D. isomers | |
| 29. |
Purines and pyrimidines are different molecules. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 30. |
Which types of bonds are found in sugars? |
| A. | amide |
| B. | acidic |
| C. | glycosidic |
| D. | non-covalent |
| Answer» D. non-covalent | |
| 31. |
Which of the following conventions is used to denote the presence of carbonyl group in left/right in the chemical structure of a carbohydrate? |
| A. | Positive/ negative |
| B. | -1/ +1 |
| C. | L/ R |
| D. | L/ D |
| Answer» E. | |
| 32. |
The Creutzfeld-Jacob disease attacks the ______________ |
| A. | heart |
| B. | lungs |
| C. | kidney |
| D. | brain |
| Answer» E. | |
| 33. |
Fructose is a _____________ |
| A. | aldose sugar |
| B. | ketose sugar |
| C. | monosaccharide |
| D. | polymer |
| Answer» C. monosaccharide | |
| 34. |
What are molecular chaperones? |
| A. | Enzymes |
| B. | Cell mass |
| C. | Tumor |
| D. | Helper proteins |
| Answer» E. | |
| 35. |
ATP and GTP are __________ |
| A. | cells |
| B. | receptors |
| C. | nucleotides |
| D. | nucleic acids |
| Answer» D. nucleic acids | |
| 36. |
What protein makes up spider silk? |
| A. | Keratin |
| B. | Fibrin |
| C. | Collagen |
| D. | Elastin |
| Answer» D. Elastin | |
| 37. |
Heat-shock response was first observed in which organism? |
| A. | C. elegans |
| B. | Drosophila |
| C. | Arabidopsis |
| D. | Bacteria |
| Answer» C. Arabidopsis | |
| 38. |
In presence of an acid, amino group can be ____________ |
| A. | Polarized |
| B. | Washed away |
| C. | Protonated |
| D. | Replaced |
| Answer» D. Replaced | |
| 39. |
Which of following is not a part of Phanerozoic era? |
| A. | Paleozoic |
| B. | Cenozoic |
| C. | Mesozoic |
| D. | Archaean |
| Answer» E. | |
| 40. |
Which residues are present in histone proteins? |
| A. | Lysine and proline |
| B. | Glutamic acid and aspartic acid |
| C. | Arginine and Histidine |
| D. | Serine and Cysteine |
| Answer» D. Serine and Cysteine | |
| 41. |
Margarine is formed using unsaturated vegetable fats by _________________ |
| A. | oxidation |
| B. | catalysis |
| C. | hydrogenation |
| D. | leaching |
| Answer» D. leaching | |
| 42. |
The tertiary structure of a protein corresponds to which energy state? |
| A. | Lowest |
| B. | Highest |
| C. | Intermediate |
| D. | Ever-changing |
| Answer» B. Highest | |
| 43. |
The longest known polypeptide is of the muscle protein called __________ |
| A. | chitin |
| B. | myoglobin |
| C. | titin |
| D. | papain |
| Answer» D. papain | |
| 44. |
Buffers usually contain ________________ with its conjugate ____________ |
| A. | weak base, base |
| B. | strong base, acid |
| C. | weak acid, base |
| D. | weak acid, acid |
| Answer» D. weak acid, acid | |
| 45. |
What are sedimentary rock layers called? |
| A. | layer |
| B. | strata |
| C. | igneous layer |
| D. | alluvial layer |
| Answer» C. igneous layer | |
| 46. |
Which of following is not an example of an epoch? |
| A. | Pleistocene |
| B. | Pliocene |
| C. | Oligocene |
| D. | Archaean |
| Answer» E. | |
| 47. |
Theory that mitochondria and chloroplasts were prokaryotes that started living inside of eukaryotic cells is known as |
| A. | eukaryotic theory |
| B. | mitochondrial theory |
| C. | endosymbiont theory |
| D. | plastid theory |
| Answer» D. plastid theory | |
| 48. |
Which of following name was given to supercontinent formed 250 million years ago? |
| A. | Pangea |
| B. | Orgea |
| C. | super mass |
| D. | continental mass |
| Answer» B. Orgea | |
| 49. |
Articular and quadrate bones formed which of following in synapsids? |
| A. | jaw hinge |
| B. | shoulder |
| C. | hand |
| D. | leg |
| Answer» B. shoulder | |
| 50. |
Which of following is called age of reptiles? |
| A. | Proterozoic |
| B. | Mesozoic |
| C. | hadean |
| D. | Archaean |
| Answer» C. hadean | |