MICROORGANISMS: FRIEND AND FOE

MICROORGANISMS: FRIEND AND FOE

Multiple Choice

Which is not an example of a harmful microorganism?

• Mold growing on a kitchen sponge
• Bacteria found in yogurt
• Bacteria that causes turberculosis
• Salmonella on uncooked chicken

Multiple Choice

A student sets up a compost bin outdoors. Inside the bin microorganisms convert the student’s vegetable and paper scraps into rich fertilizer. Which of the following best describes the role that these microorganisms play in natural habitats?

• The microorganisms help balance the numbers of producers and consumers.
• The microorganisms help keep nutrients cycling through the ecosystem.
•  The microorganisms turn solar energy into sugars.
• The microorganisms function as autotrophs.

Multiple Choice

A preparation of weakened or killed pathogens.

• Bacteria
• Antibiotic Resistance
• Vaccine
• Capsid

Multiple Choice

Carrier of malarial parasite is

• Male House fly

• female anopheles mosquito

• frog

• all of these

Multiple Choice

What science tool is used to view organisms too small to see with a magnifying lens?

• telescope

• binoculars

• microscope

• netherscope

Multiple Choice

Question 3: Antibiotics

• kill disease-causing microorganisms

• slow down the growth of disease-causing microorganisms

• convert sugar into alcohol

• speed up the growth of micoorganisms

Multiple Choice

Question 2: Cold, influenza and most cough are caused by ___?

• Bacteria

• Viruses

• Fungi

• None of these

Multiple Choice

Question 1: Penicillin was discovered by

• Edward Jenner

• Louis Pasteur

• Alexander Fleming

• Robert Brown