Bacteria
Biology ⇒ Microorganisms and Microbiology
Bacteria starts at 7 and continues till grade 12.
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See sample questions for grade 11
Describe how bacteria contribute to the sulfur cycle.
Describe the role of bacteria in bioremediation.
Describe the role of bacteria in the carbon cycle.
Describe the role of bacteria in the production of yogurt.
Explain the importance of bacterial ribosomes.
Explain the process of conjugation in bacteria.
Explain the significance of bacterial spores in medicine and food industry.
Explain why antibiotics are ineffective against viruses.
Bacteria reproduce mainly by which process?
(1) Binary fission
(2) Budding
(3) Fragmentation
(4) Mitosis
Which of the following bacteria is known for causing tuberculosis?
(1) Escherichia coli
(2) Staphylococcus aureus
(3) Mycobacterium tuberculosis
(4) Bacillus subtilis
Which of the following is a beneficial use of bacteria?
(1) Causing disease
(2) Food spoilage
(3) Nitrogen fixation
(4) Corrosion
Which of the following is a common method for identifying bacteria in the laboratory?
(1) Gram staining
(2) DNA fingerprinting
(3) Both 1 and 2
(4) None of the above
Bacteria can exchange genetic material through a process called ________.
The enzyme ________ is produced by some bacteria to break down hydrogen peroxide into water and oxygen.
The genetic material in bacteria is usually found in the ________.
The Gram stain differentiates bacteria based on differences in their ________.
Bacteria are always harmful to humans. True or False?
Bacteria are classified as prokaryotes. True or False?
Bacteria are used in the production of antibiotics. True or False?
Bacteria can be autotrophic or heterotrophic. True or False?
