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Microorganisms: Friend And Foe Mock Tests

26 questions available

Microorganisms: Friend And Foe Mock Test 1

Questions: 26

Sample Questions

Class 8 Science
Which of the following is a natural method of nitrogen fixation?
A Industrial Haber process
B Lightning
C Use of chemical fertilizers
D Composting
Class 8 Science
Which of the following microorganisms is used in the production of alcohol?
A Nitrobacter
B Saccharomyces
C Lactobacillus
D Rhizobium
Class 8 Science
Which of the following is a prokaryotic cell?
A Amoeba
B Paramecium
C Escherichia coli
D Spirogyra
Class 8 Science
Which of the following microorganisms is used in the production of alcohol from molasses?
A Rhizobium
B Saccharomyces
C Lactobacillus
D Azotobacter
Class 8 Science
Which of the following pairs correctly matches a microorganism with its category?
A Amoeba — fungus
B E. coli — bacterium
C Paramecium — alga
D Chlamydomonas — protozoan
Class 8 Science
Which microorganism is used in the production of yogurt?
A Saccharomyces cerevisiae
B Lactobacillus
C Penicillium
D Rhizobium
Class 8 Science
Which of the following microorganisms fixes atmospheric nitrogen in the soil?
A Rhizobium
B Chlamydomonas
C Yeasts
D Plasmodium
Class 8 Science
Rhizobium bacteria live in the root nodules of which type of plants?
A Wheat
B Tomato
C Gram (chickpea)
D Rice

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