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The Microbial World Class 8 MCQ. We covered all of the Microbial World Class 8 MCQ in this post for free so that you can practice well for the exam.
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MCQ on Microbial World for Class 8th Students
Leaf blight commonly occurs in:
a. Groundnut
b. Rice
c. Sugarcane
d. All of the above
Option b – Rice
Pathology refers to the study of:
a. Antibiotics
b. Bacteria
c. Viruses
d. Diseases
Option d – Diseases
The outer covering of a virus is made of:
a. Lipid
b. Protein
c. Carbohydrate
d. All of the above
Option b – Protein
Rubella is another term for:
a. Measles
b. Smallpox
c. Mumps
d. Cholera
Option a – Measles
The death of infected plant tissue is known as:
a. Chlorosis
b. Necrosis
c. Both
d. None
Option b – Necrosis
A disease that spreads quickly and affects many people is called:
a. Epidemic
b. Endemic
c. Pandemic
d. None
Option a – Epidemic
The mumps virus primarily targets which glands?
a. Salivary and parotid glands
b. Thyroid
c. Pituitary
d. All of the above
Option a – Salivary and parotid glands
The cause of the common cold is:
a. Bacteria
b. Fungus
c. Virus
d. None
Option c – Virus
Mumps spreads through:
a. Cholera contamination
b. Measles infection
c. Saliva droplets
d. Smallpox virus
Option c – Saliva droplets
Swollen salivary glands are a symptom of:
a. Measles
b. Cholera
c. Mumps
d. Smallpox
Option c – Mumps
Viruses that infect bacterial cells are called:
a. Bacteria biotics
b. Bacteriophages
c. Both a and b
d. None of the above
Option c – Both a and b
Poliomyelitis affects which system in children?
a. Thyroid
b. Pituitary
c. Nervous system
d. None
Option c – Nervous system
Whooping cough is caused by:
a. Bacillus pertussis
b. Tetanus bacteria
c. Typhoid bacteria
d. Malaria parasite
Option a – Bacillus pertussis
The malaria parasite completes part of its lifecycle in:
a. Hen
b. Cockroach
c. Pig
d. Mosquito
Option d – Mosquito
Which of the following is a bacterial infection?
a. Typhoid
b. Mumps
c. Malaria
d. Dysentery
Option a – Typhoid
Blue-green algae closely resemble:
a. Bacteria
b. Viruses
c. Green algae
d. All of the above
Option a – Bacteria
Malaria is caused by the protozoan:
a. Diarrhoea pathogen
b. Plasmodium
c. Cholera bacteria
d. All of the above
Option b – Plasmodium
Microscopic green algae in the ocean are known as:
a. Volvox
b. Diatoms
c. Spirogyra
d. All of the above
Option b – Diatoms
Fungi that feed on decaying matter are referred to as:
a. Colonies
b. Moulds
c. Both
d. None
Option b – Moulds
The cell in which a virus replicates is called:
a. Guest cell
b. Host cell
c. Both
d. None
Option b – Host cell
Fine hair-like structures on bacterial cells are known as:
a. Cilia
b. Hair
c. Flagella
d. None
Option c – Flagella
Mumps is caused by which type of microorganism?
a. Insect
b. Bacterium
c. Virus
d. All of the above
Option c – Virus
Organisms with a clearly defined nucleus are classified as:
a. Prokaryotes
b. Eukaryotes
c. Both
d. None
Option b – Eukaryotes
The branch of science that deals with the study of bacteria is called:
a. Virology
b. Bacteriology
c. Entomology
d. All of the above
Option b – Bacteriology
We covered all the microbial world class 8 above in this post for free so that you can practice well for the exam.
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