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

For a particular halogen, the reactivity of alkyl halides

Question # 2

Abumins and globulins are defined as

Question # 3

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

Question # 4

Helical structure of proteins is stabilized by

Question # 5

Enzymes consist of

Question # 6

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

Question # 7

The most complex strueture a single polypetide can assume is

Question # 8

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

Question # 9

Denaturation of proteins is often characterised by

Question # 10

Prosthetic groups are

Question # 11

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

Question # 12

An example of simple protein is

Question # 13

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

Question # 14

The most abundant protein in the human body is

Question # 15

Which of the following is not a property of enzymes?

Question # 16

L-asparginase is helpful in treatment of

Question # 17

Proteins loose their ability to work

Question # 18

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

Question # 19

Dehydrogenase is an example of

Question # 20

The protein component of enzyme ls called

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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 All are examples of different classes of enzymes except
A. Hydrolases
B. Isomerases
C. Oxido-reductases
D. Mutases
2 An example of regulatory protein is
A. nucleoprotein
B. hemoglobin
C. lactoglobulin
D. thyroxine
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 Proteins loose their ability to work
A. by slight heating
B. by change in structure
C. by slight cooling
D. when inside the body
5 The structure of protein helps protein to
A. be in proper shape
B. attach substrate
C. perform is function
D. All of these
6 Primar structure of proteins refers to
A. Coling and folding in form of specilie structure
B. 3d structure
C. Number of amino acids in a chain
D. Alpha and Beta sheets
7 The type of isomerism shown by alkyl halides is
A. geometric
B. functional
C. positional
D. metamerism
8 Increased concentration of enzyme alkaline phosphatase is a sign of
A. hemophilia
B. heart disease
C. thrombosis
D. rickets
9 In proteins, the alpha-helix and Beta-pleated sheet are examples of
A. Primary Structure
B. Secondary Structure
C. Tertiary Structure
D. Quaternary Structure
10 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

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