MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Common example of carbohydrates are |
| A. | Cellulose glycogen galactose |
| B. | Glyceraldehydes glucose peptone |
| C. | Glycerol phospho lipids collagen |
| D. | Legumin amylopectin albumin |
| Answer» B. Glyceraldehydes glucose peptone | |
| 2. |
The important monomers of acryclic resins is |
| A. | Vinyl chloride |
| B. | Styrene |
| C. | Methylmethacrylate |
| D. | Hexamethylenediamine |
| Answer» D. Hexamethylenediamine | |
| 3. |
The process of polymerization was classified by |
| A. | Strecker |
| B. | Sabatier |
| C. | Runge |
| D. | W. H. Carothers |
| Answer» E. | |
| 4. |
All proteins yield ______ upon complete hydrolysis. |
| A. | Nitrogen |
| B. | Amino acids |
| C. | Carbon and hydrogen |
| D. | Sulphur |
| Answer» C. Carbon and hydrogen | |
| 5. |
Hydrolysis of an oligosaccharide in the presence of acid yields |
| A. | One monosaccharide unit |
| B. | No monosaccharide unit |
| C. | 2-9 monosaccharide unit |
| D. | Many monosaccharide |
| Answer» D. Many monosaccharide | |
| 6. |
Nylon is obtained by heating |
| A. | Acrylic acid |
| B. | Epichlorohydrin |
| C. | Vinyl chloride |
| D. | Adipic acid with hexamethylene diamine |
| Answer» E. | |
| 7. |
Industrial materials and thermal power stations are coated with |
| A. | Polyester resins |
| B. | Epoxy paints |
| C. | Polyamide resins |
| D. | Polyvinyl chloride |
| Answer» C. Polyamide resins | |
| 8. |
Carbohydrates are polyhydroxy compounds of |
| A. | Glucose |
| B. | Glyceraldehydes |
| C. | Oligosaccharides |
| D. | Aldehydes and ketones |
| Answer» E. | |
| 9. |
A polymer in which three different monomers combine called. |
| A. | Copolymer |
| B. | Terpolymer |
| C. | Homopolymer |
| D. | Biopolymer |
| Answer» C. Homopolymer | |
| 10. |
Polymers described as large molecules built up from small repeating units called |
| A. | Biopolymers |
| B. | Dimers |
| C. | Monomers |
| D. | Metamers |
| Answer» D. Metamers | |
| 11. |
Polyester resins are the product of the reaction of |
| A. | Dihydric alcohol and dicarboxylic aromatic acids |
| B. | Polyamines with aliphatic dicarboxylic acids |
| C. | Styrene in the presence of catalyst |
| D. | Epichlorohydrin with diphenylol propane |
| Answer» B. Polyamines with aliphatic dicarboxylic acids | |
| 12. |
Amylose is |
| A. | Soluble in water |
| B. | Insoluble in water |
| C. | Soluble in alcohol |
| D. | Partially soluble in alcohol |
| Answer» B. Insoluble in water | |
| 13. |
Orgosterol is |
| A. | Orgocalciferol |
| B. | Vitamin D2 |
| C. | Sterol |
| D. | All of the above |
| Answer» D. All of the above | |
| 14. |
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its. |
| A. | Quantum structure |
| B. | Secondary structure |
| C. | Tertiary structure |
| D. | Primary structure |
| Answer» C. Tertiary structure | |
| 15. |
Protein attached to some non protein group is called |
| A. | Derived protein |
| B. | Sample protein |
| C. | Proteoses |
| D. | Conjugated protein |
| Answer» E. | |
| 16. |
Lipids are soluble in |
| A. | Organic solvents |
| B. | Organic and inorganic solvents |
| C. | Inorganic solvents |
| D. | Solubility has nothing to do with lipids |
| Answer» B. Organic and inorganic solvents | |
| 17. |
Animal fats are located particularly in |
| A. | Skeleton tissues |
| B. | Cardiac tissues |
| C. | Connective tissues |
| D. | Adipose tissues |
| Answer» E. | |
| 18. |
Animal and vegetable fats are |
| A. | Glycerols |
| B. | Fatty acids |
| C. | Triesters formed from glycerol and fatty acids |
| D. | Tetraesters formed from glycerol and fatty acids |
| Answer» D. Tetraesters formed from glycerol and fatty acids | |
| 19. |
Lipopolysaccharides are examples of |
| A. | Derived lipids |
| B. | Simple lipids |
| C. | Compound lipids |
| D. | Not a type of lipids |
| Answer» D. Not a type of lipids | |
| 20. |
Triglycerides are easily hydrolyzed by enzymes called |
| A. | Lyases |
| B. | Ligases |
| C. | Lipases |
| D. | Hydrolases |
| Answer» D. Hydrolases | |
| 21. |
Saponification is the hydrolysis of fat or oil with an |
| A. | Acid |
| B. | Alkali |
| C. | Enzyme and alkali |
| D. | Enzyme and acid |
| Answer» C. Enzyme and alkali | |
| 22. |
Enzynies that catalyze the transfer of groups within molecule are called |
| A. | Isomerases |
| B. | Lyases |
| C. | Transferases |
| D. | Ligases |
| Answer» B. Lyases | |
| 23. |
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called |
| A. | Oxidoreductases |
| B. | Hydrolases |
| C. | Isoenzymes |
| D. | Isomerases |
| Answer» D. Isomerases | |
| 24. |
Rate of enzymatic reaction is directly proportional to the concentration of |
| A. | Enzyme |
| B. | Substrate |
| C. | Enzyme and substrate |
| D. | Enzyme and product |
| Answer» C. Enzyme and substrate | |
| 25. |
Enzyme proved useful in cancer treatment is |
| A. | Lactic dehydrogenase |
| B. | Alkaline phosphatase |
| C. | L-asparaginase |
| D. | Cellulase |
| Answer» D. Cellulase | |
| 26. |
Purines and pyrimidines are |
| A. | Enzymes |
| B. | Nitrogenous bases |
| C. | Carbohydrates |
| D. | Lipids |
| Answer» C. Carbohydrates | |
| 27. |
Nucleic acids were first demonstrated in |
| A. | Pus cells |
| B. | Sperm heads |
| C. | 1872 |
| D. | All of the above |
| Answer» B. Sperm heads | |
| 28. |
Nucleic acids direct the synthesis of |
| A. | Glucose |
| B. | Triglycerides |
| C. | Proteins |
| D. | All |
| Answer» D. All | |
| 29. |
The mechanism by which the genetic information can be duplicated is called |
| A. | Duplication |
| B. | Transcription |
| C. | Replication |
| D. | Mutation |
| Answer» D. Mutation | |
| 30. |
The nitrogenous base different in RNA as compared to DNA is |
| A. | Cytosine |
| B. | Thymine |
| C. | Adenine |
| D. | Guanine |
| Answer» C. Adenine | |