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Assertion: RBC impart red colour to the ...

Assertion: RBC impart red colour to the blood due to the presence of respiratory pigment haemoglobin.
Reason: The young RBC contain nucleus in man.

A

If both the assertion and the reason are true and the reason is the correct explanation of assertion.

B

If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.

C

Assertion is true, but the reason is false.

D

Assertion is false, but the reason is true

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The RBCs impart red colour to the blood due to ________.

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Knowledge Check

  • The red colour of the RBC is due to the presence of a respiratory pigment

    A
    Haemoerythrin
    B
    Haemoglobin
    C
    Haemocyanin
    D
    Chlorocronin

  • Assertion (A) : Algae impart red colour to the snow (Red Snow) . Reason (R ) : Chylamydomonas nivalis is an algae grow in snow covered mountains and gives red colour.

    A
    (A) is correct and (R ) explains (A).
    B
    Both (A) and (R ) are wrong
    C
    (A) is correct but (R ) is wrong
    D
    (R ) is correct but (A) is wrong

  • Assertion (A), RBC is devoid of nucleus, mitochondria, ribosomes. Reason (R) : The absence of these organelles helps to accomodate more haemoglobin.

    A
    (A) and (R) are wrong
    B
    (A) is right and (R) explains A
    C
    (A) and (R) are right but (R) does not explain A
    D
    (A) is right and (R) is wrong

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    Assertion: RBC plays an important role in the transport of respiratory gases. Reason: RBC do not have cell organelles and nucleus.

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    Fill in the blanks : The blood is red in colour due to presence of …………… .

    Assertion : The chromoplasts contain fat soluble carotenoid pigments like carotene and xanthophylls etc. Reason : These pigments give yellow, orange or red colour to some parts of the plant.

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