EASY
8th CBSE
IMPORTANT
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Fungi can perform photosynthesis.

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Important Questions on Microorganisms

EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>Think and Discuss
What difference will it make to the bread if the dough has air bubbles and is fluffy?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>Find Out
Name any two common diseases for which a doctor prescribes antibiotics.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>PRACTICE TIME>Q 1
Name the bacteria responsible for turning milk into curd.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>PRACTICE TIME>Q 2
How is the yeast used commercially to prepare wine, alcohol and acetic acid?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>PRACTICE TIME>Q 3
What is an antibiotic? Give some examples.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>PRACTICE TIME>Q 4
Which disease is caused by poliovirus?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>PRACTICE TIME>Q 5
Why are microorganisms such as Rhizobium are known as nitrogen fixers?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 2 - Microorganisms>Find Out
Take some warm water in a cup so that it is 1/3 full. Add 2-3 teaspoons of sugar to it and mix it well. Now, add half a teaspoon of yeast to it. Cover the cup and keep it in a warm place for 4-5 hours. Now, smell the solution. Can you smell alcohol in it? Give reasons.