Home
Class 12
BIOLOGY
This section contains Assertion (A) and ...

This section contains Assertion (A) and Reason (R) type questions. Each question has choices (1), (2), (3) and (4), out of which only one is correct.
Assertion (A) Endosperm is formed by the fusion of one male gamete and polar nuclei.
Reason (R) In pea the retains a part of endosperm as it is not completely used up during embryo development.

A

Both Assertion and reason are correct, and Reason is the correct explanation of Assertion.

B

Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

C

Assertion is correct, but Reason is incorrect

D

Assertion is incorrect, but Reason is correct

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET 3

    ARIHANT PUBLICATION|Exercise QUESTION BANK|24 Videos
  • SOLVED PAPER 2017

    ARIHANT PUBLICATION|Exercise QUESTION BANK|23 Videos
ARIHANT PUBLICATION-REPRODUCTION-QUESTION BANK
  1. Which of the following statements are correct regarding surgical metho...

    Text Solution

    |

  2. Match the following columns.

    Text Solution

    |

  3. Artificial insemination means

    Text Solution

    |

  4. Which of the following statement(s) regarding 'Saheli' is /are correct...

    Text Solution

    |

  5. The technique celled Gamete Intra Fallopian Transfer (GIFT) is recomme...

    Text Solution

    |

  6. Cu ions released from copper-releasing intra-uterine devices (IUDs)

    Text Solution

    |

  7. In vitro fertilisation is a technique that involves transfer of which ...

    Text Solution

    |

  8. Callus is

    Text Solution

    |

  9. Find the incorrect match

    Text Solution

    |

  10. Assertion : Grafting is not usually possible in monocots. Reasons : ...

    Text Solution

    |

  11. Statement 1 : Zygote is the vital link between two generations. Stat...

    Text Solution

    |

  12. This section contains Assertion (A) and Reason (R) type questions. Eac...

    Text Solution

    |

  13. Assertion (A) Polyembryony phenomenon is more common in gymnosperm tha...

    Text Solution

    |

  14. This section contains Assertion (A) and Reason (R) type questions. Eac...

    Text Solution

    |

  15. Assertion (A) Generally, a woman do not conceive during lactation per...

    Text Solution

    |

  16. This section contains Assertion (A) and Reason (R) type questions. Eac...

    Text Solution

    |

  17. Assertion: Claspers of certilage fishes are analogous to penis of huma...

    Text Solution

    |

  18. Assertion: Before fusion, spermatozoa have to penetrate egg membrane....

    Text Solution

    |

  19. This section contains Assertion (A) and Reason (R) type questions. Eac...

    Text Solution

    |

  20. This section contains Assertion (A) and Reason (R) type questions. Eac...

    Text Solution

    |