Prepare for NEET Biology Biomolecules (Amino Acids) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights into amino acid structure, classification, and peptide bonding.
Amino acids the substituted methanes. Name the four substituent groups occupying the four valency positions
Hydrogen, carboxyl group, amino group and a variable group (R )
Two carboxyl groups amino group and OH
Two hydrogen, one carboxyl group, amino group and a variable group (R )
Two amino groups, one hydrogen and one carboxyl group
Which of the following is an essential amino acids?
Valine
Leucine
Tryptophan
All of these
Which amino acid is denoted by symbol ‘F’?
Phenylalanine
Proline
Tryptophan
Methionine
A bond formed between carboxyl group of one amino acid and amino group of adjacent amino acid, is called
Peptide bond
Hydrogen bond
Covalent bond
All of these
Which of the following is the simplest amino acid?
Tyrosine
Asparagine
Glycine
Alanine
Variety of amino acids are formed on the basis of
Position of hydroxyl group
Position of carboxyl group
Position of hydrogen
Nature of R group
The physical and the chemical compositions of amino acids are essentially of the
Only the carboxyl group
Only the R-functional group
Amino, carboxyl and R groups
Only amino group
In a protein molecule, the amino acid units are linked together by ……... bonds formed between the amino group and the carboxyl group of successive amino acids
Peptide
Hydrogen
Covalent
Ionic
Which of the following amino acids is not optically active?
Glycine
Valine
Leucine
Isoleucine
