Bacterial Morphology and Classification — NEET Biology
📚 Practice Concept📖 NCERT Source
Bacteria are grouped under four categories based on their shape: the spherical Coccus (pl.: cocci), the rod-shaped Bacillus (pl.: bacilli), the comma-shaped Vibrium (pl.: vibrio) and the spiral Spirillum (pl.: spirilla).
📐See NCERT Figure 2.1 for the diagram.
Practice This Concept
QuestionPractice Question
What does the image represent in bacterium?
📖 Solution & NCERT Explanation
View solution & NCERT explanation
Correct answer: C — Coccus
The image shows round, spherical bacterial cells — a hallmark of cocci. Bacillus are rod-shaped, spirilla are spiral, vibrio are comma-shaped. Shape is a key morphological classification criterion for bacteria.
❓ Frequently Asked Questions
What does NCERT say about Bacteria are grouped under?
Bacteria are grouped under four categories based on their shape: the spherical Coccus (pl.: cocci), the rod-shaped Bacillus (pl.: bacilli), the comma-shaped Vibrium (pl.: vibrio) and the spiral Spirillum (pl.: spirilla).
Has this concept appeared in NEET?
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Which chapter is this from?
Biological Classification, Class 11 NCERT Biology.
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