1.1 Microorganisms

Report 1 / 5

The table shows the result of an experiment carried out to study the effect of pH on the growth of bacteria.

What is the most suitable pH for the growth of bacteria?

Difficulty Level: Medium

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What is the optimum temperature for microorganisms to grow and reproduce rapidly?

Credit: SPM Trial 2017 (Johor)

(A) \(100 ^\circ C\)

(B) \(70 ^\circ C\)

(D) \(0 ^\circ C\)

Difficulty Level: Easy

Report 3 / 5

The table shows the conditions in different petri dishes.

Which petri dish will contain the most bacteria colonies after two days?

Difficulty Level: Hard

Report 4 / 5

Which of the following microorganism is able to carry out photosynthesis?

Difficulty Level: Medium

Report 5 / 5

The information is about microorganism Y.

What is microorganism Y?

Credit: Question from Johor 2017

Difficulty Level: Easy