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Microorganism: types and habitat - class-VII

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The nutritive medium for growing bacteria and many fungi in laboratory is called 

  1. growth media

  2. suspension media

  3. culture media

  4. colonial media


Correct Option: C
Explanation:
The nutritive medium for growing bacteria and many fungi in laboratory is called Culture media. 
So, the correct option is 'Culture media'

Which microorganism makes the bread soft and fluffy?

  1. Protozoa

  2. Ameoba

  3. Algae

  4. Yeast


Correct Option: D
Explanation:

Yeast is used to make the bread soft and fluffy . 


Option D is correct.

Microbiology is

  1. Study of bacteria

  2. Study of virus

  3. Study of fungi

  4. Study of microbes


Correct Option: D
Explanation:

The microorganisms are the microscopic bodies which cannot be observed directly with the naked eye. The study which deals with all the properties of the microbes is known as microbiology. This field includes the type of microbes, their structures, their characteristics, their interactions, etc. There are different fields which deal specifically with one type of microbe like virology, bacteriology, mycology, etc. 

Thus, the correct answer is option D. 

Organisms that cannot be seen by naked eyes is called as

  1. Cell

  2. Microorganism

  3. Living things

  4. All of the above


Correct Option: B
Explanation:

The microorganisms are the microscopic bodies which cannot be seen directly with the naked eye. These organisms are of the size in microns. The study which deals with the microbes is known as microbiology. There are the different types of microbes like bacteria, viruses, fungi, etc.

Thus, the correct answer is option B. 

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