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WorksheetsQuick test class 8
Total questions: 35
Worksheet time: 17mins
Mushroom is a
protozoa
fungi
algae
plant
The bacteria that turns milk into curd
rhizobium
acetobacter
Lactobacillus
none of the above
Virus reproduce
only outside the cell of the host
only inside the cell of the host
both inside and outside
none of these
The process of conversion of sugar into alcohol is known as
pasteurisation
fermentation
decomposition
none of the above
Atmospheric nitrogen is used for the synthesis of
animal protein
plant protein
carbohydrates
fats
Which of the following is a preservative
sodium benzoate
common salt
acetic acid
all the above
nitrogen is an essential constituent of
protein
chlorophyll
nucleic acid
all the above
a group of microorganism that have the characters of both living and non-living
bacteria
protozoa
virus
fungi
Causative organism of malaria is
virus
protozoa
male anopheles mosquito
female anopheles mosquito
Tuberculosis is caused by ________ and is transmitted by ___________
Bacteria and water
protozoa and water
Bacteria and air
Virus and water
Rhizobium
Helps in digestion
helps in nitrogen fixation
cause disease
all the above
Carrier of malaria-causing organisms is
Female Anopheles mosquito
butterfly
Aedes mosquito
Male Anopheles mosquito
Spirogyra is
Fungi
bacteria
algae
virus
Vaccine for small pox is discovered by
Louis Pasteur
Alexander Fleming
Robert Hook
Edward Jenner
Penicillium is a
Algae
Fungus
Bacteria
Yeast
In order to take precautionary steps to control dengue,we must take measures to stop the breeding of
fleas
Aedes mosquito
fire ants
anopheles mosquito
Which of the following is a communicable disease?
Diabetes
chicken pox
Alzhemier's
cancer
vaccines are made up of
chemicals
viruses
drugs
weak microorganisms
Which of the following diseases can be cured using antibiotics
AIDS
Dengue
Typhoid
Malaria
communicable disease is
caused only by bacteria
caused by microorganisms
spread from person to person
caused only by viruses
Which among the following statement is not associated with food preservation
Prevention from decay or spoilage
decreased shelf life
air-tight sealing
storage for future use
Which one of the following is not produced by the process of fermentation?
Cheese
Milk
yoghurt
wine
citrus canker is caused by a
bacteria
fungi
protozoa
virus
Which of the following microorganisms play an important role in maintaining the balance of nitrogen gas in the atmosphere
Virus
bacteria
fungi
algae
which of the following can effectively prevent the ringworm disease
vaccination
vector control
improving personal hygiene
using antibiotics
Which of the following organisms can perform photosynthesis?
euglena
paramecium
mucor
mushroom
which of the following microorganism exhibit symbiotic life
Lichens
volvox
blue green algae
spirogyra
Bacteria are __________________ organisms
bicellular
multicellular
unicellular
acellular
bacillus are the bacteria that are
comma shaped
rod shaped
curved
spiral
some plant like microorganisms are called
algae
bacteria
both algae and bacteria
protozoa
common cold is caused by _________
bacteria
virus
protozoa
fungi
Which of the disease is caused by fungus
cholera
common cold
ringworm
dengue
antibiotics are effective against
virus
protozoa
bacteria
all the above
Two microorganisms which live in symbiotic association in lichens are
bacteria and fungi
algae and bacteria
algae and fungi
none of the above
fullform of PPP
