A.Lipid
B.Carbohydrate
C.Protein
D.Carotein
“ Answer = Option B
Biological Molecules
Specific heat of vaporization of water is:
A.574 Kcal/kg
B.674 Kcal/kg
C.774 Kcal/kg
“ Answer = Option A
The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is:
A.High specific heat of vaporization
B.High specific heat capacity
C.Its Dipole nature
D.Its liquid state
“ Answer = Option B
The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?
A.Specific Heat of Vaporization
B.Specific Heat capacity
C.Caloric Heat
D.Both A and C
“ Answer = Option B
Which of the following substance is most favourable to form structural component of biological membranes?
A.Hydrophilic Carbohydrates
B.Hydrophobic fats.
C.Both a and b
D.None of these
“ Answer = Option B
Which statement is true about an aqueous medium:
A.Ionic as well as non-ionic substance in aqueous media retains their identity.
B.Enzymes cannot perform catalysis reaction in this medium.
C.Ions and molecules move randomly thus are in more favourable state to react with other molecules and ions.
D.It is less favourable media for chemical reactions.
Show Answer Answer = Option C
% of water in brain cells is _______?
A.20%
B.80%
C.85%
D.90%
“Show Answer = Option C
Which bond provides stability to complex carbohydrate molecules?
A.C-H
B.C-O
C.C-C
D.C-N
Show Answer = Option C
Carbon atom is _______ ?
A.Monovalent
B.Divalent
C.Trivalent
D.Tetravalent
Show Answer= Option D
The bond formed when two or more atoms complete their electron shells by sharing electrons is called:
A.Ionic bond
B.Hydrogen bond
C.Covalent bond
D.Electrovalent bond
Show Answer = Option C