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Microorganisms: Friend And Foe Mock Tests

26 questions available

Microorganisms: Friend And Foe Mock Test 1

Questions: 26

नमूना प्रश्न

Class 8 Science
Which of the following is a natural method of nitrogen fixation?
A Industrial Haber process
B Blue-green algae (cyanobacteria)
C Electric discharge in atmosphere
D Both b and c
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
Rhizobium bacteria live in the roots of which type of plants?
A Wheat
B Rose
C Gram (pulse crops)
D Maize
Class 8 Science
Rhizobium is a bacterium that helps in:
A Photosynthesis
B Nitrogen fixation
C Decomposition
D Fermentation
Class 8 Science
Which of the following is a bacterium?
A Amoeba
B E. coli
C Paramecium
D Chlamydomonas
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 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?
A Rhizobium
B Yeast
C Lactobacillus
D Algae

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