Bacteria
Biology ⇒ Microorganisms and Microbiology
Bacteria starts at 7 and continues till grade 12.
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See sample questions for grade 8
A scientist finds bacteria living in a hot spring at 80°C. What term describes these bacteria?
Bacteria reproduce mainly by which process?
Describe one way in which bacteria are helpful to humans.
Describe the role of bacteria in the process of fermentation.
Explain the difference between autotrophic and heterotrophic bacteria.
Explain why antibiotics are not effective against viral infections.
A scientist finds bacteria living in a hot spring at 80°C. What term describes these bacteria?
A student observes a single-celled organism under a microscope. It has no nucleus, a cell wall, and is rod-shaped. Is it likely to be a bacterium? Yes or No?
Which of the following diseases is NOT caused by bacteria?
(1) Tuberculosis
(2) Influenza
(3) Cholera
(4) Typhoid
Which of the following is a comma-shaped bacterium?
(1) Bacillus
(2) Vibrio
(3) Spirillum
(4) Coccus
Which of the following is a function of pili in bacteria?
(1) Movement
(2) Attachment to surfaces
(3) Photosynthesis
(4) Protein synthesis
Which of the following is a method of asexual reproduction in bacteria?
(1) Binary fission
(2) Conjugation
(3) Transformation
(4) Transduction
Fill in the blank: Bacteria that can live without oxygen are called ________ bacteria.
Fill in the blank: Bacteria that can make their own food using sunlight are called ________ bacteria.
Fill in the blank: Bacteria that require oxygen to survive are called ________ bacteria.
Fill in the blank: The process by which bacteria break down dead plants and animals is called ________.
A student observes a single-celled organism under a microscope. It has no nucleus, a cell wall, and is rod-shaped. Is it likely to be a bacterium? Yes or No?
Bacteria are classified as prokaryotes. True or false?
Bacteria are larger than most plant and animal cells. True or false?
Bacteria are used in the production of antibiotics. Yes or No?
