Question:

Morphological characteristics of micro-organisms are:
A. Characteristics of DNA
B. Cell shape
C. Cell size and structure
D. Pathogenicity
E. Staining reactions
Choose the correct answer from the options given below:

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Morphology = Shape + Size + Structure + Staining
Updated On: May 22, 2026
  • B, C and E Only
  • A, B, C and E Only
  • B and C Only
  • A and D Only
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The Correct Option is A

Solution and Explanation

Concept:
Morphological characteristics refer to the observable physical features of microorganisms, including their structure, shape, size, and staining properties.

Step 1: Cell shape.


• Includes cocci, bacilli, spirilla, etc. Thus: \[ B: Correct \]

Step 2: Cell size and structure.


• Refers to arrangement, cell wall structure, organelles Thus: \[ C: Correct \]

Step 3: Staining reactions.


• Gram staining, acid-fast staining help classify organisms Thus: \[ E: Correct \]

Step 4: Incorrect options.


• A: DNA characteristics are genetic, not morphological
• D: Pathogenicity is functional/clinical property

Step 5: Final conclusion.

\[ \boxed{\text{Correct answer = Option (1)}} \]
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