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 12
Context: A patient is diagnosed with a bacterial infection. The laboratory report states the bacteria are Gram-negative rods. What does this indicate about the bacteria's cell wall structure?
Context: A scientist is studying bacteria that can survive without oxygen and are killed when exposed to it. What type of bacteria are these?
Describe the importance of bacteria in the human gut microbiome.
Describe the process of Gram staining and its significance.
Describe the role of bacteria in the nitrogen cycle.
Explain how antibiotics affect bacterial cells but not human cells.
Explain the difference between pathogenic and non-pathogenic bacteria.
Explain the role of plasmids in bacteria.
Explain why bacterial infections can become resistant to antibiotics.
Name one example of a pathogenic bacterium and the disease it causes.
Name the scientist who first observed bacteria under a microscope.
Name two differences between Gram-positive and Gram-negative bacteria.
What is the function of pili in bacteria?
What is the function of the bacterial cell wall?
What is the main difference between obligate aerobes and obligate anaerobes?