Science
8th Grade
Used 19+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Who discovered fermentation?
Louis Pasteur
Edward Jenner
Both of these together
None of these
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which among is not a situation where microorganisms act as a friend?
Making of curd
Bread making
Decomposing the waste
Rusting of wheat
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is a disease caused by protozoans?
Malaria
Tuberculosis
Influenza
None of these
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Some plants have nitrogen-fixing bacteria in their root nodules. What are these bacteria called?
Azotobacter
Nitrosomonas
None of these
Rhizobium
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vaccines are made up of:
Chemicals
Weak microorganisms
Viruses
Drugs
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Amount of nitrogen in the atmosphere is..........
58%
88%
78%
68%
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Microorganisms are...................
Unicellular
None of these
Multi-cellular
Both
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