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

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

Question # 3

Proteins loose their ability to work

Question # 4

Alpha helix and beta pleated sheath are secondary structures of protein which are maintained by

Question # 5

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

Question # 6

Which of the following is not a property of enzymes?

Question # 7

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

Question # 8

The protein component of enzyme ls called

Question # 9

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

Question # 10

Enzymes have been classified on the basis of

Question # 11

Prosthetic groups are

Question # 12

An example of bydrolase is

Question # 13

Enzymes consist of

Question # 14

Dehydrogenase is an erample of

Question # 15

Abumins and globulins are defined as

Question # 16

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

Question # 17

An example of regulatory protein is

Question # 18

All are examples of different classes of enzymes except

Question # 19

Succinic thiokinase is an enzyme of the type

Question # 20

The specifie substance (metabolite) that fits on the enzyme surface and is converted to products is 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 L-asparginase is helpful in treatment of
A. skin disease
B. blood cancer
C. heart failure
D. obstructive jaundice
2 Enzymes have been classified on the basis of
A. protein structure
B. prosthetic groups
C. type of reaction they catalyse
D. bonding in them
3 Helical structure of proteins is stabilized by
A. Peptide bond
B. Dipeptide bond
C. Van der Wall's forces
D. Hydrogen bonding
4 All are examples of different classes of enzymes except
A. Hydrolases
B. Isomerases
C. Oxido-reductases
D. Mutases
5 Which of the following is the element not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
6 Third order of protein structure refers to
A. Bending of protein chain
B. Three-dimensional structure of protein
C. Number and sequence of amino acids
D. Site of disulphide bonds
7 An element that is not an essential par of proteins is
A. O
B. N
C. H
D. S
8 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
9 Dehydrogenase is an example of
A. ligase
B. oxidoreductase
C. lyase
D. hydrolase
10 Enzymes are
A. simple proteins
B. derived proteins
C. compound proteins
D. conjugated proteins

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