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.

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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

The unit of peptides is

Question # 2

Type of bond between nitrogen and carbonyl group

Question # 3

Steroid belong to the family of:

Question # 4

Carboxylic acid having three carboxyl groups are:

Question # 5

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 # 6

Always carboxylic acid produced will have number of carbon atoms from carbon atom in alkyl nitriles:

Question # 7

Carboxylic acid having more than one carboxyl group are called:

Question # 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:

Question # 9

Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvent one of the following is not a lipid, Select among the following:

Question # 10

In the body carbohydrates are broken down into:

Question # 11

A protein rich in proline and hydroxy proline is

Question # 12

Globulin is

Question # 13

Amino acids which contain two amino groups are called

Question # 14

On hydrolysis sucrose gives:

Question # 15

All of the following are aliphatic amino acids except

Question # 16

Which one is monosacharide?

Question # 17

All amino acids are optically active except

Question # 18

A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:

Question # 19

Primary structure of proteins refers to

Question # 20

Thermoplastic polymer can be softened and hardened when cool repeatredly, Which one is not a thermoplastic among he following?

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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 Caseinogen is
A. Simple protein
B. Derived protein
C. Phosphoprotein
D. Rich in sulfur containing amino acids
2 Potency and turn over are terms related to:
A. enzymes
B. proteins
C. fats
D. oils
3 Denaturation of protein means the structure of protein is disrupted indicate which factor does not denature protein
A. oxidizing agent
B. heat protein
C. keeping pH 7.35
D. pH changes
4 Acetic acid is also named:
A. Methanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
5 A molecule of polysacharide on hydrolysis produces __________of molecules of monosacharide,
A. 2 - 10
B. 3
C. >10
D. 2
6 The unit of peptides is
A. Moiety
B. Residue
C. Polypeptide
D. Both A and B
7 Carboxylic acid is given name by replacing "a" of alkane by:
A. "oic" acid
B. "one"
C. "al"
D. "ol"
8 An amino acid exists in the form of Zwitter-ion Which has:
A. one - ve charge
B. one + ve charge
C. two + ve carges
D. one + ve and one -ve
9 The structure of a polymer depends upon how the monomer-repeating unit joins to makes a polymer, What is not the type of structure of a polymer?
A. synthetic polymer
B. linear polymer
C. branched
D. cross linked or inter connected polymer
10 Carboxylic acid can be prepared from:
A. Hydrolysis of alkyl nitrites
B. Reaction of CO2with Gringard's reagent
C. Hydrolysis of esters
D. All of these

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