Everyday Science MCQs

5120 MCQs  (Page 86 of 512)

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
Which of the following carbohydrate is tasteless___________?
A. Monosaccharide
B. Oligosaccharide
C. Polysaccharide
D. None of these
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
Specific heat of vaporization of water is_______________?
A. 574 kcal/kg
B. 674 kcal/kg
C. 774 kcal/kg
D. 874 kcal/kg
Which one are most complex sugar_____________?
A. Monosaccharides
B. Oligosaccharides
C. Polysaccharides
D. None of these