Unit#13: Biochemistry + Ch 14

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1. A substance that accepts a proton is known as:

A Bronsted–Lowry base

B Arrhenius acid

C Lewis acid

D Neutral compound

2. A substance that can donate a proton is called:

A Lewis acid

B Arrhenius base

C Bronsted–Lowry acid

D Bronsted–Lowry base

3. Enzymes are chemically:

A Carbohydrates

B Proteins

C Lipids

D Vitamins

4. Which enzyme works best at acidic pH?

A Amylase

B Pepsin

C Trypsin

D Lipase

5. The reaction between an acid and a base produces:

A Gas

B Acid only

C Salt and water

D Metal oxide

6. An increase in temperature favors the:

A Endothermic reaction

B Exothermic reaction

C Neutral reaction

D No reaction

7. Chemical equilibrium can be achieved in:

A Open system only

B Closed system only

C Any system

D Vacuum

8. Which biomolecule is made of glycerol and fatty acids?

A Proteins

B Carbohydrates

C Lipids

D Enzymes

9. Which industrial product is obtained from sulphuric acid?

A Soap

B Fertilizers

C Glass

D Cement

10. Which vitamin is fat-soluble?

A Vitamin B

B Vitamin C

C Vitamin A

D Vitamin B12

Unit#13: Biochemistry + Ch 14

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