

MCQOPTIONS
This section includes 49 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
1. |
Hydrolysis can break linkages of |
A. | amides |
B. | peptides |
C. | fat chains |
D. | both A and B |
Answer» E. | |
2. |
Two hydrocarbon section of amide molecules are linked together by group |
A. | CONH |
B. | CHNO |
C. | COHN |
D. | CHON |
Answer» B. CHNO | |
3. |
Product formed after reaction between two amino acids is called |
A. | reagent |
B. | peptide |
C. | dipeptide |
D. | poly peptide |
Answer» D. poly peptide | |
4. |
2-amino carboxylic acid is building block in manufacturing of |
A. | fats |
B. | proteins |
C. | vitamins |
D. | minerals |
Answer» C. vitamins | |
5. |
On addition of alkali, zwitterion ion will reform |
A. | amine |
B. | carboxylic group |
C. | alcohol |
D. | carbonic acid |
Answer» B. carboxylic group | |
6. |
A primary amine is made from ammonia molecule with its H atom replaced by |
A. | alkyl group |
B. | aryl group |
C. | both A and B |
D. | amine group |
Answer» D. amine group | |
7. |
Proteins are found in |
A. | hair |
B. | skin |
C. | tendons |
D. | all of them |
Answer» E. | |
8. |
Ammonia and amides will produce salts on reacting with |
A. | water |
B. | water |
C. | ethylamine |
D. | all of them |
Answer» C. ethylamine | |
9. |
Amides are refluxed for hydrolysis by |
A. | sodium chloride |
B. | sodium hydroxide |
C. | both A and B |
D. | sodium chlorate |
Answer» D. sodium chlorate | |
10. |
Glycine which is simplest amino acid is |
A. | amino acid |
B. | amino ethanoic acid |
C. | aminate |
D. | amylase |
Answer» C. aminate | |
11. |
Strong intermolecular forces between amino acids is due to presence of |
A. | azonium ion |
B. | zwitterions ion |
C. | uranium ion |
D. | plutonium ion |
Answer» C. uranium ion | |
12. |
Classes of amines include |
A. | primary amines |
B. | secondary amines |
C. | tertiary amines |
D. | all of them |
Answer» E. | |
13. |
Among their ownselves, molecules of amino acids |
A. | react |
B. | repel |
C. | dissolve |
D. | fuse |
Answer» B. repel | |
14. |
Reduction of nitrobenzene will produce |
A. | phenyl amine |
B. | water |
C. | protein chains |
D. | both A and B |
Answer» E. | |
15. |
Some primary amines do not have NH2 group at end and are indicated by |
A. | numbering |
B. | alphabets |
C. | roman letters |
D. | greek letters |
Answer» B. alphabets | |
16. |
Reaction in which diazonium ion reacts with an alkaline solution of phenol to produce azo dye is called |
A. | coupling reaction |
B. | desorption |
C. | diazotization |
D. | assimilation |
Answer» B. desorption | |
17. |
Ion which carries two charges, positive and negative is called |
A. | azonium ion |
B. | zwitterions ion |
C. | uranium ion |
D. | plutonium ion |
Answer» C. uranium ion | |
18. |
Amides give products of sodium salt of carboxylic acid and primary amine in presence on aqueous sodium hydroxide by reacting with |
A. | acids |
B. | bases |
C. | alkalis |
D. | metals |
Answer» D. metals | |
19. |
Structural formula -CONH2 is representing |
A. | alkyls |
B. | amines |
C. | amides |
D. | arenes |
Answer» D. arenes | |
20. |
Amino acids which are not made by enzymes in our body are called |
A. | essential amino acids |
B. | non-essential amino acids |
C. | polymers |
D. | monomers |
Answer» B. non-essential amino acids | |
21. |
Nitrous acid is made in test tube because it is |
A. | stable |
B. | unstable |
C. | unreactive |
D. | volatile |
Answer» C. unreactive | |
22. |
By refluxing excess sodium hydroxide (NaOH), salts produced will be of |
A. | 2-amino carboxylic acids |
B. | amino ethanoic acid |
C. | diol acids |
D. | dioxyl alcohols |
Answer» B. amino ethanoic acid | |
23. |
Due to presence of lone pair of electrons on nitrogen atom amines and ammonia acts as |
A. | bases |
B. | acids |
C. | alkalis |
D. | amphoteric |
Answer» C. alkalis | |
24. |
CH3CONH2 is formula for |
A. | amine |
B. | alkyl |
C. | methanamide |
D. | ethanamide |
Answer» E. | |
25. |
Ethanoyl chloride will react with concentrated ammonia solution to produce |
A. | methanamine |
B. | ethanoic acid |
C. | methanoic acid |
D. | ethanamide |
Answer» E. | |
26. |
By refluxing unsubstituted amide with acid, it will yield |
A. | ammonia |
B. | carboxylic acid |
C. | nitrogen gas |
D. | both A and B |
Answer» E. | |
27. |
Number of amino acids by which human proteins are manufactured is |
A. | twenty |
B. | forty |
C. | twelve |
D. | eight |
Answer» B. forty | |
28. |
Polypeptides bear long molecules hence they are represented shorthand by |
A. | three letter abbreviation |
B. | numerals |
C. | Roman numbers |
D. | two letter abbreviations |
Answer» B. numerals | |
29. |
Zwitterion ions are |
A. | crystalline solid |
B. | soluble in water |
C. | amphoteric |
D. | all of them |
Answer» E. | |
30. |
Colored compounds which are formed on addition of phenol to diazonium ion are called |
A. | azo dyes |
B. | colored compounds |
C. | aromatic compounds |
D. | transition metals |
Answer» B. colored compounds | |
31. |
A large protein for muscles is built up from our food for |
A. | brain |
B. | muscles |
C. | bones |
D. | nails |
Answer» C. bones | |
32. |
Reaction between phenyl amine and nitrous acid produce diazonium ion while making azo dye is called |
A. | denaturation |
B. | desorption |
C. | diazotization |
D. | dissimilation |
Answer» D. dissimilation | |
33. |
Amines and its derivatives are used to treat diseases like |
A. | malaria |
B. | insomnia |
C. | sleeping sickness |
D. | all of them |
Answer» E. | |
34. |
Comparing pH level of ethylamine and ammonia, stronger base is |
A. | ammonia |
B. | ethylamine |
C. | propylamine |
D. | methylamine |
Answer» C. propylamine | |
35. |
Reactions of condensation produce polymers e.g. |
A. | peptides |
B. | proteins |
C. | carbonyls |
D. | hydrocarbons |
Answer» C. carbonyls | |
36. |
Hydrolysis of substituted amides will give product of |
A. | carboxylic acids |
B. | amines |
C. | both A and B |
D. | alcohols |
Answer» D. alcohols | |
37. |
When small amount of acids or bases are added to zwitterion ion, it resists a change in |
A. | temperature |
B. | volatility |
C. | polarity |
D. | pH |
Answer» E. | |
38. |
Proteins are natural |
A. | polymers |
B. | occurring |
C. | absorbents |
D. | all of them |
Answer» B. occurring | |
39. |
In production of phenyl amine, it is separated from reaction mixture by process of |
A. | steam distillation |
B. | extraction |
C. | sublimation |
D. | evaporation |
Answer» B. extraction | |
40. |
Longer chains of amino acids form polymers bonded via amide link is called |
A. | peptide |
B. | poly peptide |
C. | amine |
D. | amide |
Answer» C. amine | |
41. |
One of three p-orbitals on nitrogen atom overlaps with pi bonding system in 'benzene ring' in molecule of |
A. | phenyl amine |
B. | ethylamine |
C. | propylamine |
D. | methylamine |
Answer» B. ethylamine | |
42. |
Amine group reacts in excessive of acid to produce |
A. | ammonia |
B. | ammonium salts |
C. | ammonium ions |
D. | nitrogen |
Answer» C. ammonium ions | |
43. |
Phenyl amine is involved importantly in synthesis of |
A. | dyes |
B. | medicines |
C. | drugs |
D. | capsules |
Answer» B. medicines | |
44. |
Enzymes, antibodies and hormones are basic needs for |
A. | proteins |
B. | calcium |
C. | vitamin |
D. | salts |
Answer» B. calcium | |
45. |
A reaction in which organic molecules join together along with elimination of water molecule or HCl is called |
A. | addition |
B. | substitution |
C. | condensation |
D. | evaporation |
Answer» D. evaporation | |
46. |
Trim ethylamine is an example of |
A. | primary amines |
B. | secondary amines |
C. | tertiary amines |
D. | quaternary amines |
Answer» D. quaternary amines | |
47. |
Amino acids which we obtain from food and our bodies are unable to build them are |
A. | twenty |
B. | forty |
C. | twelve |
D. | eight |
Answer» E. | |
48. |
A link between amino acid molecules in a poly peptide chain by condensation reaction is called |
A. | peptide bond |
B. | poly peptide linkage |
C. | diol linkage |
D. | amine linkage |
Answer» B. poly peptide linkage | |
49. |
Amines which are bonded in Alkyl group are |
A. | primary amines |
B. | secondary amines |
C. | tertiary amines |
D. | quaternary amines |
Answer» B. secondary amines | |