SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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clump
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cluster
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chain
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None of the above
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Detailed explanation-1: -The three basic shapes of bacteria are bacillus (rod-shaped), coccus (spherical-shaped), and spirillum (spiral-shaped).
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). They can exist as single cells, in pairs, chains or clusters.
Detailed explanation-3: -Examples include the streptococcus group, responsible for “strep throat.” Rod-shaped: These are known as bacilli (singular bacillus). Some rod-shaped bacteria are curved. These are known as vibrio.
Detailed explanation-4: -Bacteria are unicellular prokaryotic microorganisms. They do not have nuclear membrane. The nucleus consists of double-stranded circular DNA. They possess long filamentous flagella protruding through cell wall which is used for locomotion. They also contain thin, short filaments called as fimbriae or pili.