subject

Bacteria

Biology ⇒ Microorganisms and Microbiology

Bacteria starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Bacteria. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
Describe how bacteria can develop resistance to antibiotics.
Describe one method used to prevent bacterial infections.
Describe the role of bacteria in the human digestive system.
Explain the role of bacteria in the production of yogurt.
Explain why antibiotics are not effective against viral infections.
Explain why bacteria are considered living organisms.
Name one way in which bacteria are useful in the environment.
A scientist observes a single-celled organism without a nucleus under a microscope. Is it likely to be a bacterium? Yes or No.
Which of the following diseases is caused by bacteria? (1) Influenza (2) Tuberculosis (3) Malaria (4) AIDS
Which of the following is a beneficial use of bacteria? (1) Causing food spoilage (2) Making antibiotics (3) Spreading disease (4) Damaging crops
Which of the following is a function of decomposer bacteria? (1) Causing disease (2) Breaking down dead matter (3) Producing oxygen (4) Absorbing sunlight
Which of the following is a method by which bacteria obtain energy? (1) Photosynthesis (2) Chemosynthesis (3) Both (1) and (2) (4) Neither (1) nor (2)
Bacteria can form protective structures called _______ to survive harsh conditions.
Fill in the blank: Bacteria that can survive without oxygen are called _______ bacteria.
Fill in the blank: Bacteria that require oxygen for survival are called _______ bacteria.
Fill in the blank: The process by which bacteria exchange genetic material through direct contact is called _______.
A scientist observes a single-celled organism without a nucleus under a microscope. Is it likely to be a bacterium? Yes or No.
Bacteria are always harmful to humans. True or False?
Bacteria are classified as prokaryotes. True or False?
Bacteria are larger than most plant and animal cells. True or False?