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

Root development is promoted by

A

Abscisic acid

B

Auxin

C

Gibberellins

D

Ethylene

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D)|10 Videos
  • PLANT GROWTH AND DEVELOPMENT

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -B)|35 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    AAKASH INSTITUTE|Exercise Assignment(section D)|10 Videos
  • PLANT KINGDOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION -D (Assertion - Reason Type Questions)|10 Videos

Similar Questions

Explore conceptually related problems

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

Shoot regeneration is promoted by a . . . . . . . . . . . . whereas . . . . . . . . . . . . . regeneration is promoted by an auxin.

Assertion : A correct concentration of auxin and cytokinin is required for the development of root and shoot in callus. Reason: When the ratio of kinetin to auxin is high only shoot develop but when the ratio is low only roots develop

Root hairs develop from

AAKASH INSTITUTE-PLANT GROWTH AND DEVELOPMENT-ASSIGNMENT (SECTION -C)
  1. Coiling of graden pea tendrils around any support is an example of

    Text Solution

    |

  2. One of the commonly used plant growth hormone in tea plantations is

    Text Solution

    |

  3. Root development is promoted by

    Text Solution

    |

  4. One of the synthetic auxin is

    Text Solution

    |

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

    Text Solution

    |

  6. Senescence as an active devlopmental cellular process in the growth an...

    Text Solution

    |

  7. Importance of day length in flowering of plants was first shown in

    Text Solution

    |

  8. Foolish Seedling disease of rice led to the discovery of

    Text Solution

    |

  9. Opening of floral buds is

    Text Solution

    |

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

    Text Solution

    |

  11. The wavelength of light absorbed by Pr form of phytochrome is

    Text Solution

    |

  12. How does pruning help in making the hedge dense

    Text Solution

    |

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

    Text Solution

    |

  14. An enzyme that can stimulate germination of barley seeds is

    Text Solution

    |

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

    Text Solution

    |

  16. The ability of the venus fly trap of capture insects is due to

    Text Solution

    |

  17. The pineapple which under natural conditions is diffcuit to blossom ha...

    Text Solution

    |

  18. If the growing plant is decapitated, then

    Text Solution

    |

  19. The movement of auxin is largely

    Text Solution

    |

  20. 2, 4-D is an effective

    Text Solution

    |