Microorganism: Friend and Foe - class 8 chapter 2 MCQ TEST

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Kerala PSC

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Viruses are microorganisms. - True

Dieases like maleria and dysentery acre caused by protozoa . - True

Beacteria is multicellular organism. - False

Algae is single cellular organisms. - False

Protozoa is multicellular organism. - True

Lactobacillious bacteria promotes milk into curd. - True

Bacteria is involve in making cheese and pickles. - True

Yeast is a kind of fungi. - True

Venegar is a kind of preservatives. - True

Antibiotics are medicine use to kill or stop the microorganisms causing disease. - True

Bacteria and fungi mostly used for making antibiotics. - True

Penicillin was prepared by Alexander Flaming - True

Microorganisms is not helpful in soil fertility - False

Edverd Jenier was developed vaccine for small pox, - True

Antibodies fights through invaders microorganisms - True

Harmful microbes are called pathogens - True

A disease with spread when a healthy body come in contact with sick people is called non Communicable disease - False

Anopheles mosquito carries material parasites plasmodium. - True

Male aedes mosquitoes carries dengu virus - False

HepatitisA is caused virus - True

Antherex is a dangerous human and cattle disease - True

Microorganisms are ......,. - Visible microscope only.

Which one microorganisms grow in host cell only? - Virues

Which of the following is not aliments caused by viruses - tuberculosis (TB)

Polio and chicken pox are caused by ___________. - viruses

Protozoa are considered under which criteria ? - Animal

Organisms are divided into how many parts on the basics of cells? - 2

Basic activity performed by an organism is called __________. - Metabolic activity

______ & _________ is caused by protozoa. - dysentery and malaria

Bacteria is defined under ________ kingdom. - Plant

Diseases which are caused by bacteria are ___________ - typhoid and tuberculosis (TB)

Single-celled organisms are __________. - Bacteria, some algae and protozoa

Where do Microorganisms live? - Everywhere we see

Which bacterium is used to form milk into curd? - Lactobacillus

Penicillin was developed is which year? - 1929

Who had developed penicillin? - Alexander Fleming