All enzymes are made of______________________?

Related Mcqs:

1. Nitric acid is not used in the manufacture of______________________?

   A. Detergents
   B. Fertilisers
   C. Aqua regia
   D. Explosives

2. Carbon disulphide is mainly used in the production of______________________?

   A. Viscose rayon
   B. Corundum
   C. Plasticiser for unsaturated polyester
   D. Paints

3. 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.

4. Enzymes are organic catalysts used in the ____________________ reactions ?

   A. Chemical
   B. Biochemical
   C. Photochemical
   D. Electrochemical

5. 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

6. Pick out the wrong statement ?

   A. Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye
   respectively
   B. Protein catalysts are called enzymes
   C. The rate of chemical reaction is independent of the concentration of reactants at high
   concentration of enzymes
   D. Total sugar content in molasses is about 10%

7. Viscose rayon is__________________?

   A. Cellulose nitrate
   B. Regenerated cellulose nitrate
   C. Regenerated cellulose acetate
   D. None of these

8. Industrial production of chloroform requires acetone and_____________________?

   A. Phosgene
   B. Calcium hypochlorite
   C. Chlorine
   D. Ammonium chloride

9. Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by _____________________?

   A. Iron-steam reaction
   B. Electrolysis of water
   C. Steam reforming of naphtha
   D. Its cryogenic separation from coke oven gas

10. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?

    A. Oxidation of Na+ ions
    B. Oxidation of Cl- ions
    C. Reduction of Na+ ions
    D. Reduction of Cl- ions