Formative Practice 1.1 – Form 5 Science (KSSM) Chapter 1

Question 1:
What are microorganisms?

Microorganisms are minute organisms which cannot be seen with the naked eye.

Question 2:
(a) Name five groups of microorganisms.
(b) What are the characteristics used to classify microorganisms into five groups?

(a) Fungi, algae, protozoa, bacteria, viruses

(b) Size, shape, method of reproduction, nutrition, habitat

Question 3:
Name the group of microorganisms that reproduces asexually through the formation of spores.

Fungi, bacteria

Question 4:
State two basic structures that make up a virus.

Deoxyribonucleic acid (DNA)/ribonucleic acid (RNA) and protein layer (capsid)

Question 5:
State five factors that affect the growth of microorganisms.

Nutrition, humidity, light, temperature, pH value

Question 6:
Figure 1 shows a type of microorganism.

(a) What is the group of the microorganism shown above?
(b) (i) What is the structure labelled X?
(ii) State the function of this structure.

(a) Protozoa

(b)(i) Pseudopodium

(b)(ii) To move and engulf food

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