Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) NEET Question, Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) MCQ Question

1.

Amino acids are organic compounds that contain which two functional groups within the same molecule?

A.

Two carboxyl groups only

B.

A hydroxyl group (-OH) and an aldehyde group (-CHO)

C.

A ketone group and an ester group

D.

An amino group (-NH₂) and a carboxyl group (-COOH)

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2.

In an alpha-amino acid, the amino group (-NH₂) is attached to which carbon atom relative to the carboxyl group?

A.

A carbon atom several positions away from the carboxyl group

B.

The same carbon atom as the carboxyl oxygen

C.

The carbon atom immediately adjacent to the carboxyl group (the alpha carbon)

D.

There is no fixed position for the amino group

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3.

Proteins are formed almost exclusively from which type of amino acids found in nature?

A.

Gamma-amino acids

B.

Alpha-amino acids

C.

Beta-amino acids

D.

Delta-amino acids

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4.

Amino acids that possess an equal number of amino and carboxyl groups, resulting in a neutral overall character, are classified as:

A.

Basic amino acids

B.

Aromatic amino acids only

C.

Acidic amino acids

D.

Neutral amino acids

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5.

Amino acids that contain a greater number of carboxyl groups than amino groups are classified as:

A.

Basic amino acids

B.

Acidic amino acids

C.

Aromatic amino acids

D.

Neutral amino acids

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6.

Amino acids that contain a greater number of amino groups than carboxyl groups are classified as:

A.

Acidic amino acids

B.

Neutral amino acids

C.

Basic amino acids

D.

Sulphur-containing amino acids only

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Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) NEET Questions

Proteins (Elementary Idea of Amino Acids, Peptide Bond,...) MCQ Questions