Biology Class 11 Chapter 2 - Biological Molecules - Part 5

Biology Class 11 Chapter 2 - Biological Molecules - Part 5

1. The Suffix that denotes a sugar is:

a) ide
b) ase
c) ose
d) amide

2. The melting points of palmitic acid is:

a) 80C^o
b) 72C^o
c) 63.1C^o
d) 70 C^o

3. Polar molecules:

a) Have a positive change at one end and a negative charge at the other end.
b) Are found at the ends of other molecules.
c) Are pointed at both ends
d) None at the above.

4. Metabolic activities included:

a) Photosynthesis
b) Respiration
c) Digestions
d) All of the above

5. Large molecules with skeletons of carbon atoms are said to be:

a) Carbonic
b) Inorganic
c) Carboxylate
d) Organic

6. The Combining capacity of an atom or ion is called:

a) pH
b) Valency
c) Elemental balance
d) Bonding Capacity

7. DNA model was suggested by:

a) Wilkins and Franklin
b) Hershey & Chase
c) Watson and crick
d) Char gaff.

8. Conjugated His ton Proteins are:

a) Transport protein
b) Only structured protein
c) Only regulatory protein
d) Structural and (Functional) regulatory protein

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