Enzymes are organic catalysts used in the ____________________ reactions ?

Related Mcqs:

1. ‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________?

   A. N2 & H2
   B. CO2 & H2
   C. CO & H2
   D. C & H2

2. Enzymes are_________________?

   A. Proteins with high molecular weight (around 10,000)
   B. Derived from living organisms
   C. Catalyst for temperature sensitive reactions
   D. All A, B. and C.

3. All enzymes are made of______________________?

   A. Fats
   B. Carbohydrates
   C. Proteins
   D. Amino acids

4. At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

   A. Independent of
   B. Directly proportional to
   C. Inversely proportional to
   D. Proportional to the square of

5. Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is ____________ °C?

   A. -5 to 0
   B. 5 to 10
   C. 30 to 50
   D. 75 to 80

6. Reaction of an alcohol with organic acid is called the ________________ reaction?

   A. Saponification
   B. Esterification
   C. Neutralisation
   D. Acidification

7. Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of_________________?

   A. Collagen
   B. Tannin
   C. Molasses
   D. Carbohydrate

8. Cumene (isopropyl benzene) is made by ____________________?

   A. Oxidation of naphthalene
   B. Propylene alkylation of benzene
   C. Polymerisation of a mixture of benzene & propylene
   D. None of these

9. The ideal pulp for the manufacture of paper should have high ____________________ content?

   A. Cellulose
   B. Lignin
   C. Both A. & B.
   D. None of these

10. Coke oven gas consists mainly of ____________________?

    A. H2, & CH4
    B. CO, & CO2
    C. H2, & CO
    D. CH4, & CO