Home
Class 12
BIOLOGY
$ Nostoc has chloropyll "a" and phycocya...

$ Nostoc has chloropyll "a" and phycocyanin pigments.
! Chlorophyll "a" helps in oxygenic photosynthesis.

A

If both As and R are correct and R is correct explanation of As

B

If both As and R are correct but R is not correct explanation of As

C

If As is correct, R is wrong

D

If both As and R are wrong.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Model test paper-1|100 Videos

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Model test paper-2|100 Videos

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION|Exercise Brain teasers-X|145 Videos

  • ECHINODERMATA

    DINESH PUBLICATION|Exercise REVISION QUESTIONS|65 Videos

  • EVIDENCES OF EVOLUTION

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|3 Videos

Similar Questions

Explore conceptually related problems

Green pigment (Chlorophyll) present in plants is

Why is chlorophyll necessary for photosynthesis?

The pigment chlorophyll-a is absent in

The role of chlorophyll in photosynthesis

The photosynthetic pigment "chlorophylls" are soluble in

Why is chlorophyll-a called an essential pigment?

Describe the role of chlorophyll in photosynthesis.

Why are chlorophyll molecules essential for photosynthesis ?

In pigment system II, active chlorophyll is

DINESH PUBLICATION-ENVIRONMENTAL ISSUES-Assertion and reason
  1. $ Spirulina is a rich source of proteins. ! Spirulina has a spiral c...

    Text Solution

    |

  2. $ Sulphur depended archaebacteria are called thermoacidophiles. ! Ar...

    Text Solution

    |

  3. $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll ...

    Text Solution

    |

  4. $ Protists are eukaryotes ! Eukaryotes do not have the double membra...

    Text Solution

    |

  5. $ Euglena is biflagellated and has cell wall. ! Because cell wall is...

    Text Solution

    |

  6. $ The glagellum in protists is single stranded. ! Single stranded fl...

    Text Solution

    |

  7. $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyo...

    Text Solution

    |

  8. $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs...

    Text Solution

    |

  9. $ In the cell wall of Dinoflagellates, there is present only one groov...

    Text Solution

    |

  10. $ Euglena has mixotrophic nutrition. ! Mixtrophic nutrition means th...

    Text Solution

    |

  11. $ Slime mouls are mainly saprophytic. ! Saprophytes get their nutrit...

    Text Solution

    |

  12. $ Forminiferance have a calcareous shell. ! Dimorphic nucleic are pr...

    Text Solution

    |

  13. $ Amoeba is a type of sporozoan. ! Sporozonas have two contractile v...

    Text Solution

    |

  14. $ Fungi may be heterotrophic or autotrophic. ! Mycelium of Rhizopus ...

    Text Solution

    |

  15. $ In basidiomycetes, there are present dolipore septa. ! Ascospores ...

    Text Solution

    |

  16. $ Yeasts form a pseudomycelium. ! Yeast are prokaryotic.

    Text Solution

    |

  17. $ In Basidiomycetes, there are preset dikaryotic cells called Synkaryo...

    Text Solution

    |

  18. $ Mycorrhiza is a type of symbiosis. ! Lichens have phycobiont and m...

    Text Solution

    |

  19. $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduct...

    Text Solution

    |

  20. $ That branch of science which deals with the study of Fungi is called...

    Text Solution

    |