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

00:00
Question # 1

Based on the physico-chemical properties, proteins may be classified into the following types

Question # 2

The type of isomerism shown by alkyl halides is

Question # 3

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

Question # 4

Prosthetic groups are

Question # 5

Amino acids react together to form the primary structure of proteins which is accompanied by

Question # 6

Glucose is converted into ethanol by the enzyme present in the yeast

Question # 7

Proteins have linkage between amino acids

Question # 8

For a particular halogen, the reactivity of alkyl halides

Question # 9

Fe+2 is the co-factor for

Question # 10

Primar structure of proteins refers to

Question # 11

Increased concentration of enzyme alkaline phosphatase is a sign of

Question # 12

Enzymes have been classified on the basis of

Question # 13

Abumins and globulins are defined as

Question # 14

The structure of protein helps protein to

Question # 15

An example of bydrolase is

Question # 16

Which of the following bond is responsible for joining the amino acids in proteins?

Question # 17

The enzymes that bring about exchange of functional groups like phosphate are called

Question # 18

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

Question # 19

Enzymes are

Question # 20

Which of the following is not a property of enzymes?

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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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MCAT Chemistry Chapter 18 Important MCQ's

Sr.# Question Answer
1 The enzymes that bring about exchange of functional groups like phosphate are called
A. Ligases
B. Lyases
C. Isomerases
D. Transferases
2 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
3 In proteins, the alpha-helix and Beta-pleated sheet are examples of
A. Primary Structure
B. Secondary Structure
C. Tertiary Structure
D. Quaternary Structure
4 Alpha helix and beta pleated sheath are secondary structures of protein which are maintained by
A. dipole forces
B. non-polar interactions
C. ionic bonds
D. Hydrogen bonds
5 An element that is not an essential par of proteins is
A. O
B. N
C. H
D. S
6
The enzymes that catalyse the addition or removal of ammonia are:
A. Lyases
B. Ligases
C. Transferases
D. Kinses
7 Proteins have linkage between amino acids
A. imide
B. amide
C. ester
D. ether
8 The most complex strueture a single polypetide can assume is
A. 1° structure
B. 2°structure
C. 3° structure
D. 4° structure
9 UV rays inactivate enzymes because they
A. change sequence of amino acids of enzymes
B. They add prosthetic group to them
C. They increase their specificity
D. affect structure of enzymes
10 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

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