science revision test microorganisms friend and foe

 

Malaria is caused by

• Virus

• Protozoa

• Bacteria

• Algae

Where is the nucleus located in a cell?

• Underneath the cell wall. It allows water and nutrients to pass into the cell and waste to pass out of the cell.

• Surrounding the cell. It helps protect the cell

• In the center of the cell. It controls the cells growth

• All throughout the cell. It is a jelly-like substance that holds all of the organelles in their place.

What type of cell is A?

• Plant cell

• Animal cell

 

(a)   can be many different sizes ranging from microscopic single celled yeasts used in bread making to macroscopic fungi which contain many cells such as moulds, mushrooms, and toadstools.

The conversion of free atmospheric nitrogen into nitrogenous compounds is known as (a)  

Bacteria are made up of how many cells?

• trillions!

• 4

• 1

• none of these

Another name for a microorganism is (a)  

What are bacteria that cause disease?

• viruses

• pathogens

• endospores

• antibiotics

A fungus that is usually located on your feet which causes skin disease.

Ring Worm

Athletes Foot

E Coli

Protozoa

• Protozoa

• Ring Worm

• E Coli

• Athletes Foot

_______________ are parasites, which means they can only survive inside the cells of other living things.

• Fungi

• Protozoa

• Viruses

• Algae