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

Each chemistry chapter is equally vital in the MDCAT preparation, and the students must focus on all the chapters. The students can get good marks on the entry test by preparing well. After completing the preparation, the candidates must focus on all the topics and solve the MCQs to analyze the preparation level before appearing in the test.

The students should solve the Chapter 19 MCQs to prepare for the test in a better way. The students can also get the MCQs of the other chapters from this portal. So, go through the online MCQs at least once and take the online test. For preparation, the authorities have provided the syllabus that the candidates must follow. To get more information about MDCAT preparation, stay in touch with us.

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

Coenzymes are the species which increase the activity of enzymes. They are chemically:

Question # 2

All amino acids are optically active except

Question # 3

All of the following are primary aminoacids except

Question # 4

Fourth structure of protein structure refers to

Question # 5

Fatty acids are:

Question # 6

Formula of stearic acid is:

Question # 7

Anline is a derivative of:

Question # 8

The amino group in 19 alpha-amino acids is primary; only one alpha-amino acid has secondary amino group which one is that

Question # 9

The destruction of the biological nature and activity of proteins by heat or chemical agent is called:

Question # 10

Amino acids ionize in water to form

Question # 11

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 # 12

Collagen contains high percentage of

Question # 13

Amino acids are bifunctional organic compounds what are the two function groups

Question # 14

one gram of carbohydrate yields energy:

Question # 15

Aromatic carboxylic acids have corboxyl group attached to group:

Question # 16

Acetic acid is obtained from:

Question # 17

Reaction of alkyl halides with potassium cyanide in the presence of alcohols give:

Question # 18

Chloroethene, CH2 = CHC/ is the monomer of PVC.
What are the C-C-C bond angles along the polymeric chain in PVC?

Question # 19

The optimum PH value fro the enzyme pepsin is:

Question # 20

Monohalo derivatives of alkanes are called:

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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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MCAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 In which of these processes are small organic molecules changed into macromolecules?
A. the fractional distillation of crude oil
B. the cracking of petroleum fractions
C. the hydrolysis  of proteins
D. the polymerization
2 On electrophoresis for plasma proteins using buffer of pH 8.6
A. The proteins are neutral
B. The proteins carry negative charge
C. The proteins carry positive charge
D. The proteins are easily precipitated
3 Essential alpha-amino acids are those which are necessary in the diet.
Which one is an essential alpha-amino acids
A. Alanine
B. Aspartic acid
C. Glycine
D. Tryptophan
4 Third structure of protein structure refers to
A. Number and sequence of amino acids
B. Three dimensional structure of protein
C. Proteins formed of more than one monomer
D. Bending of protein molecule
5 The reaction between fat and NaOH is called:
A. esterification
B. hydrogenolysis
C. fermentation
D. sponification
6 Cholesterol is a precursor of steroid hormones, Choose the class of steroid:
A. a carbohydrate
B. a hydrocarbon
C. a natural lipid
D. a protein a hydrocarbon
7 Palmitic acid & steanic acid are obtained from process of fats & oils:
A. Reducing
B. Neutralization
C. Oxidation
D. Hydrolysis
8 Glycine is characerized by
A. Absence of an asymmeteric carbon
B. Absence of optical activity
C. The shortest amino acid
D. All of these
9 Starch gives ________ color with iodine:
A. blue
B. red
C. yellow
D. green
10 In the body fats are hydrolysed into:
A. fatty acid and water
B. fatty acid
C. glycerol and water
D. acid and glycerol

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