Home
Class 12
BIOLOGY
Root development is promoted by -...

Root development is promoted by -

A

Abscisic acid

B

Auxin

C

Gibberellin

D

Ethylen

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    AAKASH SERIES|Exercise EXERCISE -II (PGR.S)|4 Videos

  • PHOTOSYNTHESIS IN HIGHER PLANTS

    AAKASH SERIES|Exercise Exercise - III|27 Videos

  • PRINCIPLES AND PROCESSES

    AAKASH SERIES|Exercise Exercise - III (Previous AIPMT/NEET Questions)|26 Videos

Similar Questions

Explore conceptually related problems

Auxins promote

Stomatal opening is promoted by

Cell division in root nodules is promoted by _________ secreted by plant and ________ secreted by bacteria.

Cell division in root nodules is promoted by _________ secreted by plant and ________ secreted by bacteria.

Binding of symbiotic nitrogen fixing bacteria to the surface of root hair cell is promoted by the following substance

Root hairs develop from

Root hairs develop from

Fruit ripening is promoted by the hormone that

Ageing of leaves is promoted by

Germination of some seeds is promoted by

AAKASH SERIES-PLANT GROWTH AND DEVELOPMENT -EXERCISE -III (PREVIOUS AIPMT/NEET QUESTIONS)
  1. Dr. F. Went noted that if coleoptile tips were removed and placed on a...

    Text Solution

    |

  2. During seed germination its stored food is mobilized by

    Text Solution

    |

  3. Vernalisation stimulates flowering in

    Text Solution

    |

  4. Through their effect on plant growth regulators, what do the temperatu...

    Text Solution

    |

  5. Which one of the following generally acts as an antagonist to gibberel...

    Text Solution

    |

  6. Root development is promoted by -

    Text Solution

    |

  7. One of the commonly used plant growth hormone in tea plantation is

    Text Solution

    |

  8. Coiling of garden pea tendrils around any support is an example

    Text Solution

    |

  9. Phototropic curvature Is the resutt of uneven distribution of

    Text Solution

    |

  10. Which one of the following acids is a derivative of carotenoids?

    Text Solution

    |

  11. One of the synthetic auxin is

    Text Solution

    |

  12. Senescence as an active developmental cellular process in the growth a...

    Text Solution

    |

  13. Importance of day length ( photoperiodism ) in flowering of plants was...

    Text Solution

    |

  14. The wavelength of light absorbed by Pr form of phytochrome is (A) 680...

    Text Solution

    |

  15. Which one of the following pairs is not correctly matched ?

    Text Solution

    |

  16. Opening of floral buds into flowers, is a type of

    Text Solution

    |

  17. An enzyme that stimulates germination of barley seeds is

    Text Solution

    |

  18. Farmers in a particular region were concerned that pre-mature yellowin...

    Text Solution

    |

  19. How does pruning help in making the hedge dense?

    Text Solution

    |

  20. Treatment of seed at low temperature under moist conditions to break i...

    Text Solution

    |