Ribose is an example of___________?

A. Trioses
B. Tetroses
C. Pentose
D. Hexose

Primary structure of proteins determines__________?

A. Number of polypeptide chains involved
B. Bending of polypeptide chains
C. Amino acid sequence
D. Coiling of polypeptide chains

Variety among amino acids is produced due to_____________?

A. Nh2 group
B. Cooh group
C. R group
D. All of these

Which one are most complex sugar_____________?

A. Monosaccharides
B. Oligosaccharides
C. Polysaccharides
D. None of these

Specific heat of vaporization of water is_______________?

A. 574 kcal/kg
B. 674 kcal/kg
C. 774 kcal/kg
D. 874 kcal/kg

A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called__________?

A. Lipid
B. Carbohydrate
C. Protein
D. Carotein

Which of the statement is not true for compounds like glycoprotein and glycolipids____________?

A. They are conjugated molecules of carbohydrates
B. Both have role in the extra cellular matrix of animals and bacterial cell wall
C. They are components of biological membranes.
D. Both are produced and secreted by endoplasmic reticulum

Which of the following carbohydrate is tasteless___________?

A. Monosaccharide
B. Oligosaccharide
C. Polysaccharide
D. None of these

Which statement is true about an aqueous medium________________?

A. Ionic as well as non ionic substance in aqueous media retains their identity
B. Enzymes can not perform catalysis reaction in this medium
C. Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions
D. It is less favorable media for chemical reactions

Maximum number of species of living things on earth are___________?

A. Algae
B. Fungi
C. Insects
D. Protozoa