NCERT · Class 11 · Biology · Biological ClassificationAn infectious protein particle lacking nucleic acid is known as:
Step-by-Step Solution
Prions are infectious protein particles that lack nucleic acids. They are responsible for several neurological diseases such as bovine spongiform encephalopathy (BSE) in cattle and Creutzfeldt-Jakob disease (CJD) in humans.
Detailed Options Breakdown
Option : Viroid
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
Option 1: Prion (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Virus
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
Option 3: Virion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biological Classification.
💡 Study Guide: This question tests core syllabus concepts from Biological Classification. For formulas, key summaries, and mock exam reference guides, read the full Biological Classification Revision Notes.