MDCAT Chemistry Chapter 19 MCQ Test With Answer for (Amino Acids)

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MCQ's Test For MDCAT Chemistry Chapter 19 Amino Acids Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 19 Amino Acids Online Test

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MDCAT Chemistry Chapter 19 Amino Acids Online Test

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Question # 1

Rancidification of facts and oils is due to:

Question # 2

Choose an addition polymer among the following:

Question # 3

Which one of the following is a water soluble vitamin?

Question # 4

Carboxylic acid having three carboxyl groups are:

Question # 5

One of the following is potically non active amino acid

Question # 6

Macro-nutrients are required in quantities ranging from

Question # 7

An amino acid exists in the form of Zwitter-ion Which has:

Question # 8

In which of these processes are small organic molecules changed into macromolecules?

Question # 9

The molecular mass of a polymer is obtained by multiplying mass of the monomer unit with the degree of polymerization, The degree  of polymerization of PVC is 1000.What is molecular mass?

Question # 10

A complete food contains at least:

Question # 11

Amino acids which contain two amino groups are called

Question # 12

Which of the following is BLOOD iron carrier

Question # 13

Example of basic essential amino acids

Question # 14

A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:

Question # 15

Example of non-protein amino acid

Question # 16

The fat soluble vitamins are:

Question # 17

Which woody raw material is used for the manufacture of paper pulp?

Question # 18

Which of these polymers is an addition polymer?

Question # 19

Hydrolysis of protein by 6M HCl gives peptides and then alpha-amino acids. How many alpha-amino acids molecules are obtained on the hydrolysis of a tetrapeptide

Question # 20

Which of the following is basic amino acid

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Chapter 19: Amino Acids

Amino acids are the building blocks of proteins and play a vital role in biological systems. Each amino acid contains two functional groups: an amino group (–NH₂) and a carboxylic acid group (–COOH) , both attached to the same carbon atom known as the α-carbon . The general formula of an amino acid is NH₂–CH(R)–COOH , where R represents a side chain that varies for each amino acid.

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Sr.# Question Answer
1 Sex harmones belong to a group of organic compounds called:
A. heterocyclics
B. steroids
C. amino acids
D. amines
2 Increase viscosity of proteins is due to
A. Denaturation
B. Isoelectric point
C. Both
D. None
3 Plastics are pollution problem because many plastics:
A. are made from petroleum
B. are very inflammable
C. burn to produce toxic fumes
D. decompose to produce toxic products
4 Polypeptides are formed from amino acids by
A. Oxidation
B. Addition
C. Condensation
D. Reduction
5 The fat soluble vitamins are:
A. A and B
B. B and C
C. C and D
D. A and D
6 Which is not an essential amino acid
A. Leucine
B. Methionine
C. Histidine
D. Lysine
7 Hydrolysis of alkyl nitriles gives:
A. Alkane
B. Alkyl halide
C. Alkyl nitride
D. Minerals acids & Alkalies
8 In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:
A. metamers
B. position isomers
C. cis-trans
D. annomers
9 The optimum PH value fro the enzyme pepsin is:
A. 10
B. 1.4
C. 2
D. 8
10 Caseinogen is
A. Simple protein
B. Derived protein
C. Phosphoprotein
D. Rich in sulfur containing amino acids
11 Amino acids are bifunctional organic compounds what are the two function groups
A. Carboxylic acid and alcohol
B. Acohol and aldehyde
C. Carboxylic acids and ketone
D. Amino group and carboxylic acid
12 Potency and turn over are terms related to:
A. enzymes
B. proteins
C. fats
D. oils
13 Collagen contains high percentage of
A. Glycine
B. Tryptophan
C. Phenyl Alanine
D. Serine
14 Which of the following is precursor of T3 and T4
A. Gaba
B. Dopa
C. B-Alanine
D. Di-iodotyrosine
15 Acetic acid is also named:
A. Methanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
16 Methyl butyrate has an smell of:
A. apple
B. pine apple
C. banana
D. winter green
17 A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:
A. 1
B. 2
C. 4
D. 6
18 Storage form of iron
A. Transferrin
B. Ferritin
C. Myosin
D. Actin
19 General formula of aliphatic carboxylic acids:
A. R-OH
B. R-COH
C. R-CO-R
D. RCOOH
20 An example of neutral amino acid is
A. Gylcine
B. Lysine
C. Aspartic acid
D. Glutamic acid

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