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Smallest Bacteria in the World MCQ for Students
Quick Quiz
Bacteria can be stained using
a. Crystal violet
b. Crystal blue
c. Safranin
d. Crimson red
Option a – Crystal violet
A micro arthropod example is
a. Scabies mite
b. Spirogyra
c. Amoeba
d. Yeast
Option a – Scabies mite
Amoeba belongs to the group of
a. Scabies mite
b. Spirogyra
c. Amoeba
d. Yeast
Option c – Amoeba
The disease typhoid is caused by
a. Bacteria
b. Virus
c. Protozoa
d. All of the above
Option a – Bacteria
The infection amoebiasis is due to
a. Bacteria
b. Virus
c. Protozoa
d. All of the above
Option c – Protozoa
Bread mold is commonly identified as
a. Agaricus
b. Mushroom
c. Penicillium
d. Rhizopus
Option d – Rhizopus
Which organism is considered a bridge between living and non-living?
a. Algae
b. Bacteria
c. Virus
d. Protozoan
Option c – Virus
Viruses can multiply only when inside a
a. Air medium
b. Water source
c. Soil particle
d. Host’s living cell
Option d – Host’s living cell
Scabies is triggered by
a. Bed bug
b. Housefly
c. Agaricus
d. Scabies mite
Option d – Scabies mite
Organisms that improve soil fertility by decomposing organic matter are
a. Bacteria
b. Algae
c. Micro arthropods
d. Virus
Option c – Micro arthropods
HIV is responsible for causing
a. TMV
b. Ebola
c. HIV
d. None
Option c – HIV
Which of the following is a bacterial disease?
a. AIDS
b. Typhoid
c. Amoebiasis
d. Scabies
Option b – Typhoid
Identify the one that is different from the rest
a. Amoeba
b. Spirogyra
c. Euglena
d. Vorticella
Option b – Spirogyra
Identify the odd one out
a. Rhizopus
b. Penicillium
c. Mushroom
d. Spirulina
Option d – Spirulina
Helpful bacteria in the human intestine assist in
a. Excretion
b. Digestion
c. Absorption
d. Assimilation
Option b – Digestion
The term ‘septicemia’ refers to
a. Poison in the body
b. Poison in the blood
c. Poison in the organs
d. Poison in the brain
Option b – Poison in the blood
Amoebiasis is a disease spread by
a. Algae
b. Fungi
c. Micro arthropods
d. Protozoa
Option d – Protozoa
The top 8 inches of soil in one acre may contain this much bacteria and fungi
a. Half a kg
b. About 5.5 tons
c. 1 ton
d. 1 kg
Option b – About 5.5 tons
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