SCIENCE
VIRUS AND BACTERIA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Rod
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Cube
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Sphere
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Spiral
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Detailed explanation-1: -The correct option is c, oval. The cell shape is the characteristics of the bacterial species and bacteria are grouped under four categories based on their cell shape; spherical (coccus), rod-shaped (bacillus), comma-shaped (vibrium) and spiral (helical or spirillum). The bacterial cell does not have an oval shape.
Detailed explanation-2: -Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes).
Detailed explanation-3: -The three basic shapes of bacteria are bacillus (rod-shaped), coccus (spherical-shaped), and spirillum (spiral-shaped).
Detailed explanation-4: -Square shape is not the basic shape of bacteria. Bacteria is a single celled type of organisms. They belong to the group of prokaryotes.