Select the option which is not correct with respect to enzyme action. 
(a) Substrate binds with enzyme as its active site
(b) Addition of lot of succinate does not reverse the inhibition of succinic dehydogenase by malonate.
(c) A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate
(d) Malonate is a competitive inhibitor of succinic dehydrogenase
Genes are packaged into a bacterial chromosome by 
(b) Basic proteins
(c) Acidic proteins
Concept Questions :-
Lactose is composed of 
In which of the following groups, all the three are examples of polysaccharides? 
(a) Starch, glycogen, cellulose
(b) Sucrose, maltose, glucose
(c) Glucose, fructose, lactose
(d) Galactose, starch, sucrose
Km value is dependent upon
(b) Substrate concentration
(c) Enzyme concentration
(d) All of the above
The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration).
What do the two axis (X and Y) represent?
(a) Temperature - Enzyme activity
(b) Substrate concentration - Enzymatic activity
(c) Enzymatic activity - Temperature
(d) Enzymatic activity - pH
Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease?
(a) Vitamin-A - Fat soluble - Night blindness
(b) Vitamin-K - Fat soluble - Beri-beri
(c) Vitamin-A - Fat soluble - Beri-beri
(d) Vitamin-K - Water soluble - Pellagra
To which of the following family do folic acid and pantothenic acid belong?
(d) Vitamin-B complex