Quarter 4

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Question 1 of 10 0% read

1. Metabolism refers to:

A Digestion only

B All chemical reactions in body

C Respiration only

D Excretion only

2. Which gas is mainly responsible for global warming?

A Oxygen

B Nitrogen

C Carbon dioxide

D Hydrogen

3. Which process involves breakdown of complex molecules?

A Anabolism

B Metabolism

C Catabolism

D Photosynthesis

4. Which carbohydrate is also called fruit sugar?

A Glucose

B Sucrose

C Fructose

D Lactose

5. Le Chatelier’s principle states that when a system at equilibrium is disturbed:

A It stops reacting

B It adjusts to counteract the change

C It decomposes

D Temperature remains unchanged

6. Denaturation of enzyme is caused by:

A Low temperature

B Optimal pH

C High temperature

D Low substrate

7. Which of the following is an example of condensation polymer?

A Polythene

B PVC

C Nylon-6,6

D Polystyrene

8. Which polymer is used for packaging food?

A Polythene

B Rubber

C Nylon

D Bakelite

9. Which process involves synthesis of complex molecules?

A Catabolism

B Anabolism

C Digestion

D Respiration

10. Cellulose is mainly found in:

A Animals

B Plants

C Bacteria

D Fungi

Quarter 4

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