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Lichen is formed by symbiotic associatio...

Lichen is formed by symbiotic association between an alga and a fungus.

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Knowledge Check

  • Assertion : Lichen forms thin green film on surface of water. Reason: Lichen is symbiotic association between algae and fungi.

    A
    Both Assertion and Reason are true and Reason is correct explanation of the assertion.
    B
    Both Assertion and Reason are true but Reason is not the correct explanation of the assertion.
    C
    Assertion is true but Reason is false.
    D
    Assertion is false but Reason is true.

  • In nature, a symbiotic association is found between an algae and a fungus. Which of the following can be regarded as the correct property for this association?

    A
    Lichens are fast growing organisms that live for a short period
    B
    the algal component is called mycobiont and fungal component is called phycobiont
    C
    They are pioneers of vegetation on rocks
    D
    They grow well in cities .

  • Mycorrhiza is a symbiotic association between

    A
    Bacteria and fungi
    B
    Algae and fungi
    C
    Fungi and roots of higher plants
    D
    Blue green algae and roots of higher plants .

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    Lichens are symbiotic associations between a fungus and algae. Most of these lichens consist of:

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    Consider the following statements: 1. Lichens show symbiotic association between algae and bryophytes. 2. Lichens are sensitive to SO_2 and indicators of pollution. Which of the statements given above is/are correct about lichens?

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