Home
Class 11
BIOLOGY
Assertion: In angiosperms, each cell of ...

Assertion: In angiosperms, each cell of the embryo sac is haploid.
Reason: In angiosperms, embryo sac formation is preceded by meiosis.

A

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

B

if both assertion and reason are true but 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:
A

In angiosperms pistil consists of an ovary elclosing one to many ovules. Within ovules are present highly reduced female gemetophytes termed embryo sacs. The embryo-sac formation is preceded by meiosis. Hence, each of the cells of an embryo-sac is haploid.
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    NCERT FINGERTIPS|Exercise Plant Growth And Development|154 Videos
  • RESPIRATION IN PLANTS

    NCERT FINGERTIPS|Exercise Respiration In Plants|130 Videos

Similar Questions

Explore conceptually related problems

The embryo sac formation is preceded by meiosis in :

The largest cell of the mature embryo sac is

Central cell of embryo sac contains

A typical angiosperm embryo sac at maturity is:

Formation of embryo sac is

Assertion : The largest cell of the embryo sac is central cell Reason : It consists of a fused nuclei.

Read the following statements (a) Angiosperms range in size from microscopic Wolffia to tall trees of Eucalyptus (b) In angiosperms, the seeds are enclosed by fruits (c ) Double fertilization is an event unique to angiosperms (d) In angiosperms, each cell of embryo sac is diploid (e) In angiosperms, the zygote develops into an endosperm Of the above statements, the correct ones are

NCERT FINGERTIPS-PLANT KINGDOM-Plant Kingdom
  1. Plants of this group are diploid and well adapted to extreme condition...

    Text Solution

    |

  2. The embryo sac of an angiosperms is made up of

    Text Solution

    |

  3. if the diploid number of flowering plant is 36, what would be the chro...

    Text Solution

    |

  4. Protonema is

    Text Solution

    |

  5. The giant redwood tree (Sequoia sempervirens) is a/an

    Text Solution

    |

  6. Assertion: Algae shown only anisogamous type of reproduction. Reason...

    Text Solution

    |

  7. Assertion: Chlorella and spirulina are used as a food supplement by sp...

    Text Solution

    |

  8. Assertion: In chlorophyceae, plant body is usually grass green. Reas...

    Text Solution

    |

  9. Assertion: Brown algae vary from olive green to brown in colour. Reas...

    Text Solution

    |

  10. Assertion: Red colour of rhodophyta is due to abundant formation of r-...

    Text Solution

    |

  11. Assertion: Bryophytes are called asterrestrial amphibians. Reason: B...

    Text Solution

    |

  12. Assertion: Mosses are of great ecological importance. Reason: Mosses...

    Text Solution

    |

  13. Assertion: Spores in mosses are contained within the capsule. Reason...

    Text Solution

    |

  14. Assertion: In pteridophytes, zygote produces a multicellular sporophyt...

    Text Solution

    |

  15. Assertion: Selaginella and Salvinia are homosporus. Reason: Ovules o...

    Text Solution

    |

  16. Assertion: Gymnosperms do not produce fruit Reason: In gymnosperms, ...

    Text Solution

    |

  17. Assertion: stomate are found on the surface of leaves in gymnosperms ...

    Text Solution

    |

  18. Assertion: In gymnosperms, the male and female gametophytes do not hav...

    Text Solution

    |

  19. Assertion: In angiosperms, each cell of the embryo sac is haploid. R...

    Text Solution

    |

  20. Assertion: In diplontic life cycle, gametophyte is dominant. Reason:...

    Text Solution

    |