Science { Microorganisms Test ]

Microorganisms are tiny living organisms that can only be seen under a ___________.

1. The study of microorganisms is called ___________.

Microorganisms are classified into four main groups: __________, __________, __________, and __________.

__________ are microscopic organisms that can be found in foods like yogurt and are used in the process of fermentation.

• _________ is a type of microorganism that can cause diseases in humans, animals, and plants.

__________ bacteria help in fixing nitrogen from the air into the soil, making it available for plants.

Bacteria are single-celled microorganisms that reproduce by ___________.

__________ are microorganisms that can survive in extreme conditions, such as high temperatures or very salty environments.

Some microorganisms, like __________, are responsible for producing oxygen during photosynthesis in the oceans.

Which of the following is a type of microorganism?

• a) Tree

• b) Bacteria

• c) Sunflower

• d) Dolphin