MDCAT Chemistry Chapter 18 MCQ Test With Answer for (Carboxylic Acids)

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MCQ's Test For MDCAT Chemistry Chapter 18 Carboxylic Acids Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 18 Carboxylic Acids Online Test

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MDCAT Chemistry Chapter 18 Carboxylic Acids Online Test

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Question # 1

UV rays inactivate enzymes because they

Question # 2

In proteins, the alpha-helix and Beta-pleated sheet are examples of

Question # 3

Which of the following is not a category of proteins based upon their function?

Question # 4

An example of regulatory protein is

Question # 5

Lactoglobulin is found in

Question # 6

L-asparginase is helpful in treatment of

Question # 7

Alpha helix and beta pleated sheath are secondary structures of protein which are maintained by

Question # 8

Phosphoprotein comes under the type of proteins

Question # 9

Proteins loose their ability to work

Question # 10

The protein component of enzyme ls called

Question # 11

Simplest Structure of a protein that has only covalent bonding between amino acids is

Question # 12

Succinic thiokinase is an enzyme of the type

Question # 13

Third order of protein structure refers to

Question # 14

The proteins which give an amino acid and non-protein group on hydrolysis are known as

Question # 15

Increased concentration of enzyme alkaline phosphatase is a sign of

Question # 16

Which of the following is not a property of enzymes?

Question # 17

An element that is not an essential par of proteins is

Question # 18

The enzymes that catalyse the addition or removal of ammonia are:

Question # 19

For a particular halogen, the reactivity of alkyl halides

Question # 20

The type of isomerism shown by alkyl halides is

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Prepare Complete Set Wise MDCAT Chemistry Chapter 18 Carboxylic Acids Online Test MCQs Online With Answers


a) Describe the structure of aldehydes and ketones.

b) Discuss preparation of aldehydes and ketones by oxidation of alcohols.

c) Discuss the following reactions of aldehydes and ketones:

i) Common to both:

  • 2,4-DNPH to detect the presence of carbonyl group

  • HCN to show mechanism of nucleophilic addition reaction

  • Reduction with NaBH₄ or LiAlH₄

ii) Reactions in which aldehydes differ from ketones:

  • Oxidation with Tollen’s reagent

  • Oxidation with Fehling’s solution

iii) Reaction which shows presence of CH₃CO– group in aldehydes and ketones:

  • Triiodomethane test (Iodoform test) using alkaline aqueous iodine.

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Sr.# Question Answer
1 Helical structure of proteins is stabilized by
A. Peptide bond
B. Dipeptide bond
C. Van der Wall's forces
D. Hydrogen bonding
2 The enzymes that bring about exchange of functional groups like phosphate are called
A. Ligases
B. Lyases
C. Isomerases
D. Transferases
3 Phosphoprotein comes under the type of proteins
A. Simple protein
B. Derived protein
C. Conjugated
D. Both A & B
4 Based on the physico-chemical properties, proteins may be classified into the following types
A. Simple proteins
B. Compound proteins
C. Derived proteins
D. All of the above
5 The proteins which give an amino acid and non-protein group on hydrolysis are known as
A. Derived protein
B. Albumins
C. Conjugated simple protein
D. Conjugated protein
6 For a particular halogen, the reactivity of alkyl halides
A. remains same with C-increase
B. decreases with C-increase
C. increases with C-increase
D. decreases with C-decrease
7 Amino acids react together to form the primary structure of proteins which is accompanied by
A. addition of water
B. addition of ammonia
C. removal of ammonia
D. removal of water
8 Proteins have linkage between amino acids
A. imide
B. amide
C. ester
D. ether
9 Which of the following is not a category of proteins based upon their function?
A. genetic
B. Regulatory
C. nucleo
D. structural
10 L-asparginase is helpful in treatment of
A. skin disease
B. blood cancer
C. heart failure
D. obstructive jaundice
11 The specifie substance (metabolite) that fits on the enzyme surface and is converted to products is called
A. Co-factor
B. Isoenzyme
C. Prosthetic group
D. Substrate
12 The enzyme which is found in saliva, accelerates the conversion of starch into sugar is
A. Pepsin
B. Thrombin
C. Ptyalin
D. Fumarase
13 An example of simple protein is
A. lipoprotein
B. Cholesterol
C. lecithin
D. globulin
14 In proteins, the alpha-helix and Beta-pleated sheet are examples of
A. Primary Structure
B. Secondary Structure
C. Tertiary Structure
D. Quaternary Structure
15 Glucose is converted into ethanol by the enzyme present in the yeast
A. Urease
B. Zymase
C. Invertase
D. Sucrase
16 Enzymes have been classified on the basis of
A. protein structure
B. prosthetic groups
C. type of reaction they catalyse
D. bonding in them
17 An example of regulatory protein is
A. nucleoprotein
B. hemoglobin
C. lactoglobulin
D. thyroxine
18 The protein component of enzyme ls called
A. apoenzyme
B. proenzyme
C. holoenyme
D. co-enzyme
19 Dehydrogenase is an erample of
A. Transferase
B. Hydrolase
C. Lyase
D. Oxido-reductase
20 Simplest Structure of a protein that has only covalent bonding between amino acids is
A. 2° structure
B. 3°structure
C. 1° structure
D. 4° structure

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