8th science quiz (9/08/21)

Who discovered the antibiotic penicillin?

• Alexander Fleming

• Charles Darwin

• Louis Pasteur

_____ kill or stop the growth of germs

• Antibodies

• Vaccines

• Antibiotics

_________ convert atmospheric nitrogen into plant usable form

• viruses

• protozoa

• bacteria

• fungi

______________ helps us  digest our food and they produce needed vitamins.

• Bacteria
• Fungi
• Protozoa
• Algae

Yogurt and cheese  can be produced from ___________.

• Bacteria
• Virus
• Protozoa
• Algae

Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.

• decomposers
• herbivores
• pathogens
• infections

The smallest microorganism on earth is as _____________

• a virus

• bacteria

• algae

• fungi

Fungi is benefical to us because of the following reason:

• They are a source of oxygen
• They can clean up pollution
• They are a source of antibiotics
• They help to clean run off from waste

A preparation of weakened or killed pathogens.

• Bacteria
• Antibiotic Resistance
• Vaccine
• Capsid

 Viruses can reproduce (replicate) on a surface (ex: table, chair, etc.)

• True
• False