Class 8 Science MCQs - Chapter 8
Micro Organisms and Diseases Quiz Questions & Answers PDF Download - 3
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Micro Organisms and Diseases Exam Questions and Answers PDF Download: Test 3
Germs spread in the form of
- clusters
- droplets
- gases
- air
The vectors which conduct germs includes
- fleas
- tick
- lice
- all of them
The bacteria which have ability to convert milk sugar in to lactic acid is called
- lactobacillus
- streptococcus
- gram positive bacteria
- gram negative bacteria
To fight against diseases human beings have special
- natural barriers
- immune system
- both a and b
- antibiotics
Ability to eat away germ is specialty of
- red blood cell
- white blood cell
- liver
- plasma
Class 8 Science Mock Tests
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