WorksheetsMICROOORGANISMS
Total questions: 20
Worksheet time: 10mins
1. Diagram 1 shows a type of microorganism seen under the light microscope.
Rajah 1 menunjukkan sejenis mikroorganisma yang dilihat di bawah mikroskop cahaya.
Diagram 1 / Rajah 1
What is this microorganism?
Apakah mikroorganisma ini?
Chlamydomonas sp.
Bacillus sp.
Amoeba sp.
Euglena sp.
1. Statement below explains about a type of microorganism.
● Found in freshwater, seawater, moist soil
● Able to conduct photosynthesis
Which microorganism has these characteristics?
Algae
Protozoa
Fungi
Virus
1. X microorganisms has the same structures as plants but contain no chlorophyll. Based on this information, in which areas are these X microorganisms most commonly found?
A. Dark and damp areas
Dark and dry areas
Bright and damp areas
Bright and dry areas
Diagram 2 shows Amoeba sp. under the light microscope performing asexual reproduction.
What happen during stage X?
Cell enlarge and elongates
Nucleus divides
Cytoplasm divides
Two daughter cells produced
1. Which of the following environment that needs a bacterium to form endospores?
When the soil is damp
When the soil is dry
When the soil is overgrown with plants
When the soil is wetted by the rain
1. Which of the following is NOT TRUE about virus?
Virus performs living processes on its own
Virus is a parasite microorganism
Virus cannot be seen under the light microscope
Virus can be used to produce vaccine
Which of the following characteristics of spores support the statement below:
Spores can be carried by the wind to favourable environment to germinate.
Spores are durable
Spores can live under extreme conditions
Spores can only be killed at high temperature
Spores are fine and light
Which microorganism can live in the alkaline environment?
Escherichia coli
Salmonella sp.
Lactobacillus sp.
Vibrio cholerae
1. Two slices of bread from the same type were put on a table. One is an ordinary bread while the other bread is toasted. After few days, the ordinary bread was overgrown with fungi whereas the toasted bread was not grown by fungi. Which of the following factor affects the observation?
Temperature
Light
pH value
Humidity
Diagram above shows a bread overgrown with fungi after being exposed to air for a few days. Why does the bread overgrown with fungi after being exposed to air?
Bread contains glucose that becomes the source of food for fungi
Bread contains water that makes it suitable for fungi growth
Air contains microorganisms that grow on the bread
Air contains microorganisms that obtain their nutrients from the bread
1. Which of the following uses bacteria in its production?
Soy sauce
Cheese
Tempe
Fermented rice /
Why does the bacteria used in the production of leather goods?
because bacteria digest the tissues on the animal skin
because bacteria can reproduce very fast
because bacteria can live in all places
because bacteria make the animal skin shinier
Diagram shows a woman injecting an insulin hormone in her arm.
What is the microorganism used in the production of insulin hormone?
Algae
Protozoa
Fungi
Bacteria
1. Siti cut herself in the finger while slicing onions. What is the best medicine for Siti to use to treat her wound?
70% isopropyl alcohol
Povidone
Acriflavine
A. Hydrogen peroxide
Which of the following can cause antibiotic resistance?
Using antibiotics with prescription
Taking antibiotics under the prescribed duration
Keeping the antibiotics for future use
Taking antibiotics to treat bacterial infections
Which of the following that CANNOT kill bacteria and its spores?
Autoclave
Boiling
Radiation
High pressure
An individual is infected with Streptococcus pneumoniae bacteria. What is the best treatment to take to treat the disease?
Take antibiotics
Take antiviral
Take antifungal
Take X-ray
Which of the following can be used to sterilise blankets and bed sheets in hospitals?
Antiseptic
Antibiotic
Disinfectants
Antiserum
Why is vaccine injected into the body during immunisation?
To stimulate the white blood cells to produce antibodies
To destroy bacteria
To add vitamins into our body
To produce red blood cells
Diagram shows the set-up of apparatus for an experiment. What is the purpose of this experiment?
To study the effect of humidity on the growth of microorganisms.
To study the effect of temperature on the growth of microorganisms.
To study the effect of light on the growth of microorganisms.
To study the effect of nutrients on the growth of microorganisms.
