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Assertion (A): Filaria(Wuchereria) worm belongs to phylum Annelida. Reason (R): It has unsegmented body.

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Question

Assertion (A): Filaria(Wuchereria) worm belongs to phylum Annelida.

Reason (R): It has unsegmented body.

Options

  • Both A and R are true and R is correct explanation of the assertion.

  • Both A and R are true but R is not the correct explanation of the assertion.

  • A is true but R is false.

  • A is false but R is true.

MCQ
Assertion and Reasoning
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Solution

A is false but R is true.

Explanation:

The assertion is false: the filarial worm, Wuchereria, belongs to phylum Nematoda, not Annelida. The reason is true because nematodes have unsegmented bodies.

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Chapter 4: Diversity in Living Organisms - Questions Based on Assertion-Reason [Page 230]

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P S Verma and V K Agarwal Biology Part 3 [English] Class 9
Chapter 4 Diversity in Living Organisms
Questions Based on Assertion-Reason | Q 2. | Page 230
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