Microorganisms class 8

A tiny, nonliving particle that invades and then reproduces inside a living cell.

• Bacteria
• Virus
• Protist
• Fungi

A preparation of weakened or killed pathogens.

• Bacteria
• Antibiotic Resistance
• Vaccine
• Capsid

_____ kill or stop the growth of germs

• Antibodies

• Vaccines

• Antibiotics

_________ convert atmospheric nitrogen into plant usable form

• viruses

• protozoa

• bacteria

• fungi

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

Tags

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS2-5

Which of the following statements are true?

• All microorganisms are bad
• All microorganisms are good
• Some microorganisms are harmful, while some can be helpful
• Microorganisms are too small to do anything to anyone

Influenza is a disease caused due to

• Bacteria

• virus

• Protozoa

• None of the above

The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is

• Blue green algae

• Chlorella

• Diatoms

• Chlamydomonas