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

Question 1:
What are microorganisms?

Answer:
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?

Answer:
(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.

Answer:
Fungi, bacteria

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

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

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

Answer:
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.

Answer:
(a) Protozoa

(b)(i) Pseudopodium

(b)(ii) To move and engulf food

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