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

Helical structure of proteins is stabilized by

Question # 2

An example of bydrolase is

Question # 3

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

Question # 4

Proteins loose their ability to work

Question # 5

For a particular halogen, the reactivity of alkyl halides

Question # 6

Third order of protein structure refers to

Question # 7

Succinic thiokinase is an enzyme of the type

Question # 8

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

Question # 9

The type of isomerism shown by alkyl halides is

Question # 10

Denaturation of proteins is often characterised by

Question # 11

The specifie substance (metabolite) that fits on the enzyme surface and is converted to products is called

Question # 12

UV rays inactivate enzymes because they

Question # 13

Which of the following is the element not present in all proteins?

Question # 14

The most abundant protein in the human body is

Question # 15

Collagen is a fibrous protein present most abundantly in

Question # 16

Fe+2 is the co-factor for

Question # 17

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

Question # 18

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

Question # 19

The structure of protein helps protein to

Question # 20

Lactoglobulin is found in

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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 Increased concentration of enzyme alkaline phosphatase is a sign of
A. hemophilia
B. heart disease
C. thrombosis
D. rickets
2 Which of the following is the element not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
3 Denaturation of proteins is often characterised by
A. Loss of biological activity
B. Aiways being irreversible
C. Being ereater the lower the temperature
D. Changes in primary structure
4 Abumins and globulins are defined as
A. Derived protein
B. Conjugated protein
C. Fibrous protein
D. Simple Protein
5 Prosthetic groups are
A. helical structures in protein
B. sulphur containing parts of protein
C. non-protein parts in compound proteins
D. sites for hydrogen bonding
6 Collagen is a fibrous protein present most abundantly in
A. heart
B. nucleus
C. connective tissues
D. Arteries
7 Phosphoprotein comes under the type of proteins
A. Simple protein
B. Derived protein
C. Conjugated
D. Both A & B
8 Proteins have linkage between amino acids
A. imide
B. amide
C. ester
D. ether
9 Lactoglobulin is found in
A. nucleus
B. nerve cells
C. Plants only
D. muscles and in plants
10 The type of isomerism shown by alkyl halides is
A. geometric
B. functional
C. positional
D. metamerism

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