Home
Class 11
BIOLOGY
Assertion: Polyploidy is very common in ...

Assertion: Polyploidy is very common in the member of Filicophyta.
Reason: It is due to the development of gametophytes directly from sporophyte without meiospore formation.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true, but the Reason is not the correct explanation of the 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:
A
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    CENGAGE BIOLOGY|Exercise ARCHIVES|70 Videos

  • PLANT GROWTH AND DEVELOPMENT

    CENGAGE BIOLOGY|Exercise Archives|28 Videos

  • RESPIRATION IN PLANTS

    CENGAGE BIOLOGY|Exercise ARCHIVES|12 Videos

Similar Questions

Explore conceptually related problems

Formation of gametophyte directly from sporophyte without meiosis is.

Formation of gametophyte directly from sopore mother cell without meiosis is called

Development of female gametophyte directly from megaspore mother cell without meiosis is called

Development of a portophyte directly from the gametophytic tissue is called

Formation of a sporophyte directly from gametophyte without meiosis and syngamy is known as

Formation of gametophyte from sporophyte without production of spores is called apospory .

Name the process by which the sporophyte is formed directly from gametophyte without fertilization.

The process in which sporophyte directly develops into gametophyte without spore production is

Development of sporophyte/embryo from gametophytic tissue without fusion of gametes is

CENGAGE BIOLOGY-PLANT KINGDOM-ARCHIVES
  1. Assertion: Polyploidy is very common in the member of Filicophyta. R...

    Text Solution

    |

  2. Flagellated male gametes are present in all the three of which one of ...

    Text Solution

    |

  3. In the prothallus of a vascular cryptogam, the antherozoids and egg m...

    Text Solution

    |

  4. In gymnosperms the pollen chamber represents

    Text Solution

    |

  5. Spore dissemination in some liverworts is aided by

    Text Solution

    |

  6. If you are asked to classify the various algae into distinct groups, w...

    Text Solution

    |

  7. In which of the following, gametes are produced by mitrotic division?

    Text Solution

    |

  8. In which one of the following male and female gametophytes do not have...

    Text Solution

    |

  9. Which of the following is heterosporous

    Text Solution

    |

  10. Selelct one of the following paris of important features distinguishig...

    Text Solution

    |

  11. Which one of the following plants is monoecious

    Text Solution

    |

  12. Which one of the following has haplontic life cycle

    Text Solution

    |

  13. Which one of the following is a vascular cryptogram?

    Text Solution

    |

  14. Which of the following is a vascular cryptogam

    Text Solution

    |

  15. Male and female gametophytes are independent and free-living in

    Text Solution

    |

  16. Algae have cell wall made up of

    Text Solution

    |

  17. Some hyperthermophilic organisms that grow in highly acidic (pH2) hab...

    Text Solution

    |

  18. A prokaryotic autotrophic nitrogen fixing symbiont is found in

    Text Solution

    |

  19. Archegoniophore is present in

    Text Solution

    |

  20. Compared with the gametophytes of the bryophytes the gametophytes of v...

    Text Solution

    |

  21. The gametophyte is not an independent, free-living generation in

    Text Solution

    |