Class 8 Science MCQs - Chapter 8

Micro Organisms and Diseases Quiz Questions and Answers PDF - 3

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Micro Organisms and Diseases Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: Germs spread in the form of

clusters
droplets
gases
air

MCQ 12: The vectors which conduct germs includes

fleas
tick
lice
all of them

MCQ 13: The bacteria which have ability to convert milk sugar in to lactic acid is called

lactobacillus
streptococcus
gram positive bacteria
gram negative bacteria

MCQ 14: To fight against diseases human beings have special

natural barriers
immune system
both a and b
antibiotics

MCQ 15: Ability to eat away germ is specialty of

red blood cell
white blood cell
liver
plasma

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