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Do all reptiles have three chambered hea...

Do all reptiles have three chambered heart?

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Fishes have two chambered heart.

Why three chambered heart of frog is not as efficient has the four chambered heart of birds and mammals?

Knowledge Check

  • Identify the correct statements from the below about "Mammals". (1) Presence of mammary glands is the 'unique feature of mammals. (II) Have two pairs of limbs. (III) Have three chambered heart. (IV) External cars or pinnae are present.

    A
    I and IV only
    B
    I, II and III only
    C
    I and II only
    D
    I, II and IV only

  • 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

    • Similar Questions

    Explore conceptually related problems

    Which one of the following sets of animals share a four chambered heart ?

    Why three chambered heart of frog is not as efficient as the four chambered heart of birds and mammals?

    similar to mammals , _____ also have four chambered heart.

    ............. is the pressure in the arteries as the chambers of the heart contracts.

    Which is not a four chambered heart?

    Name the membranes which separate the three chambers of cochlea?

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