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

An example of bydrolase is

Question # 2

Denaturation of proteins is often characterised by

Question # 3

Primar structure of proteins refers to

Question # 4

For a particular halogen, the reactivity of alkyl halides

Question # 5

Collagen is a fibrous protein present most abundantly in

Question # 6

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

Question # 7

Dehydrogenase is an erample of

Question # 8

Phosphoprotein comes under the type of proteins

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

All are examples of different classes of enzymes except

Question # 13

Enzymes are

Question # 14

Abumins and globulins are defined as

Question # 15

The type of isomerism shown by alkyl halides is

Question # 16

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

Question # 17

Enzymes have been classified on the basis of

Question # 18

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

Question # 19

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

Question # 20

The most abundant protein in the human body 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 Dehydrogenase is an example of
A. ligase
B. oxidoreductase
C. lyase
D. hydrolase
2 The enzyme which is found in saliva, accelerates the conversion of starch into sugar is
A. Pepsin
B. Thrombin
C. Ptyalin
D. Fumarase
3 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
4 Which of the following bond is responsible for joining the amino acids in proteins?
A. Metallic Bond
B. Di sulfide bond
C. Peptide Bond
D. Peptide Bond
5 Which of the following is the element not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 L-asparginase is helpful in treatment of
A. skin disease
B. blood cancer
C. heart failure
D. obstructive jaundice
7 Succinic thiokinase is an enzyme of the type
A. mutase
B. peroxidase
C. ligase
D. lyase
8 Increased concentration of enzyme alkaline phosphatase is a sign of
A. hemophilia
B. heart disease
C. thrombosis
D. rickets
9
The enzymes that catalyse the addition or removal of ammonia are:
A. Lyases
B. Ligases
C. Transferases
D. Kinses
10 The structure of protein helps protein to
A. be in proper shape
B. attach substrate
C. perform is function
D. All of these

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