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Subjects

Biology

viruses, viroids, and prions

In this Class 11 Biology topic from Biological Classification, students explore viruses, viroids, and prions as unusual infectious agents and examine how they differ from cellular organisms. They learn about viral genetic material, capsids, replication inside host cells, and the simpler structure of viroids, which consist of small infectious RNA molecules. The topic also introduces prions as infectious misfolded proteins, helping students compare their structure, transmission, effects, and biological significance.

Easy · Level 1 · 2 questions

TOPIC PRACTICE

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  1. Bacteria
  2. Viruses
  3. Fungi
  4. Protozoa
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  1. Because they respire using oxygen
  2. Because they are non-living outside a host cell but reproduce inside it
  3. Because they are smaller than all living organisms
  4. Because they possess a cell wall and cytoplasm

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