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Leeches do not have true blood vessels....

Leeches do not have true blood vessels.

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True.
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Sponges do not have any true tissues.

There are no true blood vessels in leeches

Knowledge Check

  • Assertion: No true blood vessels are seen in Leech. Reason: The blood vessels. are replaced by haemocoelic channels or canals filled with blood like fluid.

    A
    Both Assertion and Reason are true and Reason is correct explanation of Assertion.
    B
    Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
    C
    Assertion is true but Reason is false.
    D
    Both Assertion and Reason are false.
  • Assertion (A) : In closed circulatory system blood is pumped by the heart and flows through blood vessels. Reason (R) : All vertebrates have muscular chambered heart.

    A
    (R) is correct but (A) is wrong
    B
    (A) is correct but (R) does not explains (A)
    C
    (A) is correct but (R) is wrong
    D
    Both (A) and (R) are wrong
  • In Leech, the dense network of tiny blood vessels, containing Haemocoelic fluid is called……………… .

    A
    Artery
    B
    Capillaries
    C
    Vein
    D
    Blood Vessel
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