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Bacteria and Archaea

Bacteria and Archaea

Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.

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Quiz Questions And Answers

What is the shape of the bacteria?

Spheres and spirals
Rods
All the above

An example of bacterial disease is _________

Influenza
Lyme disease
Chikengunya

Bacteria has all of the below except __________

Cell wall
Cell membrane
Cell nucleus

Which of the following is not a gram positive bacteria?

Steptococci
Pseudomonas
Mycobacteria

The gram positive bacteria lack __________

Murein
Outer membrane
Plasma membrane

Which of the following gram positive bacteria causes pharyngitis?

Neisseria
Streptococci
Mycobacterium

Which enzyme hydrolyses murein?

Lysozyme
Tannase
Peroxidase

Bacteria are _________

Symbiotic
Saprophytic
Hyperparasitic

Coliform bacteria on fermentation of carbohydrates yields ___________

Lactic acid only
Acetic acid and formic acid
All the above

Which of the following is gram-negative bacteria?

Escherichia
Mycobacteria
Streptococci
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