Home
Class 12
BIOLOGY
[A] : In Apomixis , plants of new geneti...

[A] : In Apomixis , plants of new genetic sequence are produced .
[R] : In Apomixis , two individuals of same genetic sequence meet .

A

A

B

B

C

C

D

D.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NO IDEA

    DINESH PUBLICATION ENGLISH|Exercise Check Your Grasp|32 Videos

  • NO IDEA

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers|37 Videos

  • MOLLUSCA

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

  • ORGANISMS AND THE ENVIRONMENT

    DINESH PUBLICATION ENGLISH|Exercise CYG|17 Videos

Similar Questions

Explore conceptually related problems

Assertion. In apomixis , plants of new genetic sequence are produced. Reason. In apomixis , two individuals of same genetic sequence meet .

Assertion. In apomixis , plants of new genetic sequence are produced. Reason. In apomixis , two individuals of same genetic sequence meet .

Mobile genetic sequences are called

Apomixis is deveolpment of new plant

Genetically identical progeny is produced when the individual

Which of the following is correct about apomixis? I. An apomixis is a form of sexual reproduction. II. Apomixis is a mechanism to produce seeds without fertilization. III. Apomictic embryos are similar in their genetic nature. IV. Examples of apomixis are Citrus and mango.

[A] : Above ground stolons produce new plants where nodes touch the ground . [R] : Rhizomes survive the winter and contribute to asexual reproduction .

[A] : Organisms that bear large number of common amino acid sequence may be considered to be more closely related than to those with greatly different amino acid sequence. [R]: The proteins are chemical finger prints of evolutionary history because they bear amino acid sequences that have changed as a result of genetic change

Assertion : Identical twins are produced during two births , resulting from the division of a single fertilized egg . Reaosn : They are of the different sex and otherwise genetically identical.

[A]: When doing genetics problems, firs de- cide the appropriate key and then determine the genotype and gametes for both parents. [R]: It is necessary to keep in mind that al- though an individual has two alleles for each trait, each gamete has only one allele for each trait

DINESH PUBLICATION ENGLISH-NO IDEA-Brain Teasers
  1. [A] : In Apomixis , plants of new genetic sequence are produced . [R...

    Text Solution

    |

  2. A structure present in the ovule as well as eggs of birds is

    Text Solution

    |

  3. A plant in which fertilization occurs after the shedding of seed is

    Text Solution

    |

  4. In ovule, exostome is

    Text Solution

    |

  5. Group of specialized thickened nucellar cells between embryo sac and c...

    Text Solution

    |

  6. Hypostase is meant for providing

    Text Solution

    |

  7. A group of specialised nucellar cells between embryo sac and micropyle...

    Text Solution

    |

  8. Sasa paniculata contains a large number of antipodal cells. The number...

    Text Solution

    |

  9. Antipodal cells enlarge tremendously in (a) Sasa (b) Caltha (c) Ac...

    Text Solution

    |

  10. Which one develops from funicle of base of ovule? (a) Sarcotesta (b) ...

    Text Solution

    |

  11. Which one develops from exostome

    Text Solution

    |

  12. In tenuinucellate ovules, the nucellus may break down. The nourishment...

    Text Solution

    |

  13. Endothelium develops from (a) Nucellus (b) Nucellus surrounding embr...

    Text Solution

    |

  14. Middle layers of pollen sac wall are absent in

    Text Solution

    |

  15. Growth of pollen tube is

    Text Solution

    |

  16. The apical growing region of pollen tube is called

    Text Solution

    |

  17. Functional part of pollen tube is separated from the rest by

    Text Solution

    |

  18. Pollen tube cytoplasm is like any other living cell in showing (a) Cal...

    Text Solution

    |

  19. Male nucleus fuses with female nucleus during fertilization in Angiosp...

    Text Solution

    |

  20. Which one is true of male gamete of angiosperms

    Text Solution

    |

  21. Heterofertilization is

    Text Solution

    |