Question:

Match the following:

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Parasite life cycles depend heavily on specific intermediate and definitive hosts.
Updated On: Jun 19, 2026
  • (i - c), (ii - d), (iii - b), (iv - a)
  • (i - a), (ii - c), (iii - d), (iv - b)
  • (i - b), (ii - d), (iii - c), (iv - a)
  • (i - d), (ii - c), (iii - a), (iv - b)
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The Correct Option is A

Solution and Explanation

Step 1: Match Fasciola larvae.
Fasciola (liver fluke) uses snail as intermediate host. Hence (i - c).

Step 2: Match Sacculina.

Sacculina is a parasitic crustacean found in crab (Carcinus maenas). Hence (ii - d).

Step 3: Match Plasmodium.

Plasmodium is transmitted by female Anopheles mosquito. Hence (iii - b).

Step 4: Match Wuchereria.

Wuchereria causes filariasis in humans. Hence (iv - a).

Step 5: Eliminate incorrect matches.

All other combinations do not correctly represent host-parasite relationships.

Step 6: Conclusion.

Thus, correct matching is (i - c), (ii - d), (iii - b), (iv - a).
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