Home
Class 12
BIOLOGY
A pollen tube grows down the style becau...

A pollen tube grows down the style because

A

It helps in fertilization

B

It takes nutrients from the style

C

Filiform apparatus of synergids attracts the pollen tube

D

Of chemical attraction

Text Solution

Verified by Experts

The correct Answer is:
C

Filliform appratus of syenergids secrestes some chemical substance which is polysaccharide in nature which substance which is polysaccharide in nature which attract pollen tube.
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos
  • SMOKING,ALCOHOLISM,DRUG ADDITION, MENTAL HEALTH AND COMMUNITY HEALTH

    ERRORLESS |Exercise Smoking,Alcoholism,Drug Addition, Mental Health And Community Health|88 Videos

Similar Questions

Explore conceptually related problems

Pollen tubes show:

The pollen tubes grow through the solid style by separating their cell through the secretion of

Length of pollen tube depends on the distance between

Length of pollen tube depends on the distance between

Generative cell was destroyed by laser but a normal pollen tube was still formed because

How does pollen tube grow towards the ovary of the flower?

[A] : Synergids play an important role in directing the pollen tube growth . [R] : Because synergids secrete some chemotropically active substance .

After penetrating stigmtic and stylar tissue, the pollen tube usually grows downwards towards egg because

ERRORLESS -SEXUAL REPRODUCTIO IN FLOWERING PLANTS-Sexual Reproductio In Flowering Plants
  1. Number of nuclei taking part in double fertilization is

    Text Solution

    |

  2. Fusion of two dissimilar gametes is called

    Text Solution

    |

  3. A pollen tube grows down the style because

    Text Solution

    |

  4. Double fertilization results in the production of

    Text Solution

    |

  5. Ina mature embryo sac the central cell is

    Text Solution

    |

  6. Which one of the following events in a botanical garden is never direc...

    Text Solution

    |

  7. How much time is generally required//taken by the pine plant from poll...

    Text Solution

    |

  8. The process of fusion between male nucleus and egg nucleus is called a...

    Text Solution

    |

  9. Double fertilization was first discovered by Nawaschin (1898) in

    Text Solution

    |

  10. The phenomenon of syngamy (fertilization) in angiosperms was discovere...

    Text Solution

    |

  11. Germination of pollen grain on the stigma is

    Text Solution

    |

  12. In angiosperm, triple fusion is necessary for the formation of

    Text Solution

    |

  13. In an angiospermic plant, endosperm is formed due to fertilization due...

    Text Solution

    |

  14. Growth of pollen tube towards embryo sac is

    Text Solution

    |

  15. Through which route the pollen tube enters the ovule

    Text Solution

    |

  16. During the process of fertilisation the pollen tube of the pollen grai...

    Text Solution

    |

  17. Which of the following is without exception in angiosperms

    Text Solution

    |

  18. Pollen tube discharge its gametes in

    Text Solution

    |

  19. The formation of embryo without fusion of gametes is termed as

    Text Solution

    |

  20. Triple fusion in angiosperm is the fusion of second sperm with

    Text Solution

    |