421.

The tripeptide hormone present in most living cells is

• glutathione

• glutamine

• oxytocin

• ptyalin

Energy is stored in our body in the form of

• ATP

• ADP

• Fats

• Carbohydrates

Pick out the one which does not belong to the family

• pepsin

• Cellulose

• Ptyalin

• Lipase

A nucleoside on hydrolysis gives

• a heterocyclic base and orthophosphoric acid

• an aldopentose, a heterocyclic base and orthophosphoric acid

• an aldopentose and a heterocyclic base

• an aldopentose and orthophosphoric acid

Which of the following biomolecules contain non-transition metal ion ?

• Vitamin B₁₂

• Chlorophyll

• Haemoglobin

• Insulin

Sucrose molecule is made up of

• a gluco pyranose and a fructo pyranose

• a gluco pyranose and a fructo furanose

• a gluco furanose and a fructo pyranose

• a gluco furanose and a fructo furanose

Water insoluble component of starch is

• amylopectin

• amylose

• cellulose

• None of the above

A nanopeptide contains ....... peptide linkages

• 10

• 8

• 9

• 18

An example ofa sulphur contaming amino acid is

• lysine

• serine

• cysteine

• tyrosine

Which of the following is not present in a nucleotide?

• Cytosine

• Guanine

• Adenine

• Tyrosine