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Invisible Worlds: Cells, Microbes and Earth’s Resources

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Invisible Worlds: Cells, Microbes and Earth’s Resources

Discover tiny life and big choices for our planet

ScienceGrade 8Mixed12 questions24 min
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Skills

Focused grade-level practice

Question types

multiple choice

Preview
Section A: Cells and Microorganisms · 6 questionsSection B: Conservation and Resources · 6 questions
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Section A: Cells and Microorganisms

Understand basic cell structure and useful or harmful microbes.

Choose the scientifically accurate answer.

Question 1
Easymultiple_choice

The basic structural and functional unit of life is the:

Topic: General practice

Question 2
Mediummultiple_choice

Which part controls most activities of a cell?

Topic: General practice

Question 3
Mediummultiple_choice

Which microorganism is used to make curd?

Topic: General practice

Question 4
Mediummultiple_choice

Antibiotics are used mainly to fight:

Topic: General practice

Question 5
Easymultiple_choice

Which disease can be spread by mosquitoes?

Topic: General practice