General
✓✗An amino acid with a hydroxy methyl group as its R group is
- alanine
- glycine
- tyrosine
- serine
General
✓✗Amino acids and sugars, which have identifiable functions in normal physiological processes, are called
- secondary metabolites
- primary metabolites
- lectins
- toxins
General
✓✗The bond between two amino acids in a protein is the
- ester bond
- phosphodiester bond
- glycosidic bond
- peptide bond
General
✓✗RuBisCO, the most abundant protein of the biosphere, stands for
- ribulose bisphosphate carboxylase-oxygenase
- ribulose bisphosphate catalase-oxidase
- ribose biphosphate carboxypeptidase
- ribose bisphosphate carbonic anhydrase
General
✓✗Starch gives a blue colour with
- ninhydrin
- biuret reagent
- Benedict's reagent
- iodine
General
✓✗The number of types of amino acids that occur in proteins is
- 4
- 20
- 64
- 10
General
✓✗A compound has an alpha carbon bonded to a hydrogen, a -COOH, an -NH2 and a -CH3 group. The compound is
- serine
- alanine
- glycine
- palmitic acid
General
✓✗The pyrimidine bases found in RNA are
- uracil and thymine
- cytosine and thymine
- adenine and thymine
- cytosine and uracil
General
✓✗The storage polysaccharide of animals is
- cellulose
- starch
- glycogen
- inulin
General
✓✗Which of the following does NOT give a blue colour with iodine?
- Starch
- Potato extract
- Rice extract
- Cellulose
General
✓✗Paper made from plant pulp and cotton fibre are
- proteinaceous
- made of chitin
- made of glycogen
- cellulosic
General
✓✗Match List I with List II.
Choose the option with all correct matches.
| List I | List II |
| P. Adenosine | (i) Nitrogen base |
| Q. Adenylic acid | (ii) Nucleotide |
| R. Adenine | (iii) Nucleoside |
| S. Alanine | (iv) Amino acid |
- P-(ii), Q-(iii), R-(i), S-(iv)
- P-(iii), Q-(ii), R-(iv), S-(i)
- P-(iii), Q-(iv), R-(ii), S-(i)
- P-(iii), Q-(ii), R-(i), S-(iv)
General
✓✗A non-proteinaceous enzyme is
- deoxyribonuclease
- ligase
- lysozyme
- ribozyme
General
✓✗A sample gives no blue colour with iodine and is found in the exoskeleton of a crab. It is most likely
- chitin
- glycogen
- inulin
- starch
General
✓✗Biomolecules with molecular weights of 10,000 daltons and above are called
- monomers
- metabolites
- micromolecules
- macromolecules