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Organisms and Populations — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations1 Mark
MCQ
Most successful parasites are those which do not:
  • A
    Grow free
  • ✓
    Kill their host
  • C
    Reproduce sexually
  • D
    Allow blood to coagulate
✓

Answer

Correct option: B.
Kill their host
A parasite is an organism that depends on another organism, known as a host, for food and shelter. A parasite usually gains all the benefits from this relationship and kill the host cell. But the some of the parasites which benefit from the host do not kill the host. Example stem parasites in plants.

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