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Types and Characteristics of Bacteria

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Questions and Answers

Which type of bacteria is round or oval in shape?

Bacilli
Vibrio
Spirilla
Cocci (correct)

Which type of bacteria is non-flexible spiral filaments?

Spirochetes
Vibrio
Mycoplasmas
Spirilla (correct)

Which type of bacteria is rod or stick-like in shape?

Mycoplasmas
Spirilla
Cocci
Bacilli (correct)

Which type of bacteria is curved or comma-shaped rod filaments?

Vibrio (D) Signup and view all the answers

What is the unit of measurement for bacteria?

Micrometer (D) Signup and view all the answers

Which type of bacteria is slender spiral filaments and flexible?

Spirochetes (D) Signup and view all the answers

Which structure is responsible for bacterial motility?

Flagella (A) Signup and view all the answers

What is the function of the cell wall in bacteria?

Regulates the entry and exit of substances (B) Signup and view all the answers

What is the main function of ribosomes in bacteria?

Synthesize proteins (D) Signup and view all the answers

Which type of mesosomes provides membrane space in bacteria?

Lateral mesosomes (B) Signup and view all the answers

What is the function of the capsule or slime layer in bacteria?

Protects the bacteria against antibacterial agents (C) Signup and view all the answers

What phase follows when bacteria are seeded in fresh medium and multiplication takes some time?

Lag phase (C) Signup and view all the answers

What is the morphology of mycoplasmas?

Round or oval bodies or filaments (C) Signup and view all the answers