PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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5. Concepts of use of microorganisms and preservation of food from microrganisms

State "true or false":

1. Blue-green algae are involved in fixing nitrogen in the soil from the atmosphere to increase the fertility of the soil.

2. Virus is a unicellular organism.

3. Pencillin is invented by Alexander Fleming.

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