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

The type of isomerism shown by alkyl halides is

Question # 2

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

Question # 3

For a particular halogen, the reactivity of alkyl halides

Question # 4

All are examples of different classes of enzymes except

Question # 5

The enzyme which is found in saliva, accelerates the conversion of starch into sugar is

Question # 6

Enzymes consist of

Question # 7

An example of regulatory protein is

Question # 8

Enzymes have been classified on the basis of

Question # 9

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

Question # 10

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

Question # 11

Phosphoprotein comes under the type of proteins

Question # 12

Fe+2 is the co-factor for

Question # 13

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

Question # 14

Denaturation of proteins is often characterised by

Question # 15

UV rays inactivate enzymes because they

Question # 16

The structure of protein helps protein to

Question # 17

Increased concentration of enzyme alkaline phosphatase is a sign of

Question # 18

Proteins have linkage between amino acids

Question # 19

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

Question # 20

An example of simple protein is

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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 protein component of enzyme ls called
A. apoenzyme
B. proenzyme
C. holoenyme
D. co-enzyme
2 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
3 Increased concentration of enzyme alkaline phosphatase is a sign of
A. hemophilia
B. heart disease
C. thrombosis
D. rickets
4 Enzymes are
A. simple proteins
B. derived proteins
C. compound proteins
D. conjugated proteins
5 Proteins loose their ability to work
A. by slight heating
B. by change in structure
C. by slight cooling
D. when inside the body
6 The structure of protein helps protein to
A. be in proper shape
B. attach substrate
C. perform is function
D. All of these
7 Which of the following is the element not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
8 Collagen is a fibrous protein present most abundantly in
A. heart
B. nucleus
C. connective tissues
D. Arteries
9
The enzymes that catalyse the addition or removal of ammonia are:
A. Lyases
B. Ligases
C. Transferases
D. Kinses
10 The most complex strueture a single polypetide can assume is
A. 1° structure
B. 2°structure
C. 3° structure
D. 4° structure

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