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Unit#13: Biochemistry + Ch 14

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Question 1 of 20 0% read

1. Which sugar is present in table sugar?

A Glucose
B Fructose
C Sucrose
D Lactose

2. Which nutrient is essential for enzyme formation?

A Proteins
B Carbohydrates
C Lipids
D Water

3. Which biomolecule provides structural support in plants?

A Starch
B Glycogen
C Cellulose
D Sucrose

4. Deficiency of proteins causes:

A Scurvy
B Rickets
C Kwashiorkor
D Night blindness

5. Which substance is used to neutralize acidic soil?

A Sodium chloride
B Calcium carbonate
C Ammonium sulphate
D Nitric acid

6. The raw material for urea manufacture includes:

A Ammonia and carbon dioxide
B Nitrogen and oxygen
C Sulphur dioxide
D Methane only

7. Chemical equilibrium can be achieved in:

A Open system only
B Closed system only
C Any system
D Vacuum

8. Which process releases energy from food?

A Anabolism
B Catabolism
C Photosynthesis
D Absorption

9. The pH value of a neutral solution is:

A 0
B 5
C 7
D 14

10. Chemical fertilizers mainly supply:

A Carbon
B Nitrogen, phosphorus and potassium
C Oxygen only
D Sulphur only

11. Cellulose is made up of:

A Glucose units
B Fructose units
C Galactose units
D Sucrose units

12. The Contact process is used for the manufacture of:

A Nitric acid
B Hydrochloric acid
C Sulphuric acid
D Acetic acid

13. Industrial waste water should be:

A Released directly
B Heated
C Treated before disposal
D Stored permanently

14. Which of the following is a strong base?

A NH₄OH
B NaOH
C Al(OH)₃
D Mg(OH)₂

15. The equilibrium constant changes with change in:

A Concentration
B Pressure
C Temperature
D Catalyst

16. Which biomolecule stores energy for long-term use?

A Carbohydrates
B Proteins
C Lipids
D Enzymes

17. Lipids are insoluble in:

A Alcohol
B Ether
C Chloroform
D Water

18. The main function of fertilizers is to:

A Kill pests
B Increase soil fertility
C Control pollution
D Increase rainfall

19. Which nutrient is required in small amounts?

A Carbohydrates
B Proteins
C Fats
D Vitamins

20. Which carbohydrate is found in animal liver and muscles?

A Starch
B Cellulose
C Glycogen
D Sucrose

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