Class 8

Microorganisms: Friend and Foe question bank (Science)

Practice 73 free Class 8 Science - Microorganisms: Friend and Foe questions with answers and step-by-step solutions.

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Q1.

In the chapter 'Microorganisms: Friend and Foe', which scientific principle governs 'Classification: Bacteria, Fungi, Protozoa, Algae'?


(A)
Superstition and myth
(B)
Empirical evidence, conservation laws, and repeatable experimental observations in Classification: Bacteria, Fungi, Protozoa, Algae
(C)
Aristotelian unverified claims
(D)
Random molecular movement without thermodynamics
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Q2.

In the chapter 'Microorganisms: Friend and Foe', which scientific principle governs 'Commercial & Medicinal Uses of Microbes (Antibiotics & Vaccines)'?


(A)
Superstition and myth
(B)
Empirical evidence, conservation laws, and repeatable experimental observations in Commercial & Medicinal Uses of Microbes (Antibiotics & Vaccines)
(C)
Aristotelian unverified claims
(D)
Random molecular movement without thermodynamics
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