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Assertion : Cyanobacteria are photosynth...

Assertion : Cyanobacteria are photosynthetic autotrophs.
Reason : Cyanobacteria have chlorophyll a and b similar to green plants.

A

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

B

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

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Cyanobacteria (also referred to as blue-green alagae) are photosynthetic autotrophs. They have chlorophyll a similar to green plants.
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Knowledge Check

  • Assertion : Cyanobacteria perform oxygenicphotosynthesis. Reason : Cyanobacteria posses chloroplasts.

    A
    Both Assertion and Reason are true and Reason is the correct explanation of Asseration
    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
    Assertion is false, but Reson is true

  • The characteristic photosynthetic pigments in cyanobacteria are

    A
    Chlorophyll a and c
    B
    Chlorophyll a and carotenes
    C
    Chlorophyll a and phycobilins
    D
    Chlorophyll a, carotenoids and phycobilins

  • Which character indicates that Cyanobacteria are similar to higher green plants?

    A
    Type of cell wall
    B
    Nitrogen fixation ability
    C
    Presence of chlorophyll 'a'
    D
    Presence of gelatinous sheath

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    Assertion.Cyanobacteria are photosynthetic blue-green algae with procaryotic structure. Reason. They are green due to presence of chloroplasts.

    Cyanobacteria/Blue green algae are-

    Assertion : Fungi are heterotrophic. Reason : They lack chlorophyll.

    Assertion: Chemosynthesis is an autotrophic nutrition. Chemoautorophs contain chlorophyll pigments.

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