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

Enzymes consist of

Question # 2

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

Question # 3

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

Question # 4

L-asparginase is helpful in treatment of

Question # 5

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

Question # 6

The protein component of enzyme ls called

Question # 7

All are examples of different classes of enzymes except

Question # 8

Helical structure of proteins is stabilized by

Question # 9

The structure of protein helps protein to

Question # 10

Enzymes have been classified on the basis of

Question # 11

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

Question # 12

The most abundant protein in the human body is

Question # 13

Increased concentration of enzyme alkaline phosphatase is a sign of

Question # 14

Proteins have linkage between amino acids

Question # 15

Phosphoprotein comes under the type of proteins

Question # 16

Fe+2 is the co-factor for

Question # 17

Proteins loose their ability to work

Question # 18

An example of simple protein is

Question # 19

The type of isomerism shown by alkyl halides is

Question # 20

Collagen is a fibrous protein present most abundantly 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 Which of the following is the element not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
2 UV rays inactivate enzymes because they
A. change sequence of amino acids of enzymes
B. They add prosthetic group to them
C. They increase their specificity
D. affect structure of enzymes
3 Enzymes are
A. simple proteins
B. derived proteins
C. compound proteins
D. conjugated proteins
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 Succinic thiokinase is an enzyme of the type
A. mutase
B. peroxidase
C. ligase
D. lyase
6 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
7 Fe+2 is the co-factor for
A. Chrome oxidase
B. Glucose-6-phosphatase
C. Carbonic anhydrase
D. Hydrolase
8 The type of isomerism shown by alkyl halides is
A. geometric
B. functional
C. positional
D. metamerism
9 The most complex strueture a single polypetide can assume is
A. 1° structure
B. 2°structure
C. 3° structure
D. 4° structure
10 For a particular halogen, the reactivity of alkyl halides
A. remains same with C-increase
B. decreases with C-increase
C. increases with C-increase
D. decreases with C-decrease

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