Home
Class 12
BIOLOGY
The phenomenon pf apical dominance can b...

The phenomenon pf apical dominance can be overcome by exogenous application of
1. ABA
2. gibberellins
3. cytokinins
4. ethylene

A

ABA

B

gibberellins

C

cytokinins

D

ethylene

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND POPULASTIONS

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|167 Videos

  • PLANT KINGDOM

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTION|252 Videos

Similar Questions

Explore conceptually related problems

State the sources and function of gibberellins and cytokinin.[2+3]

Coconut milk contains: 1. Gibberellin 2. cytokinin 3. auxin 4. absecisic acid.

Elongation of internodes is controlled by: 1. Auxin 2. Gibberelin 3. Cytokinin 4. Absicissic acid

Morphogenesis is controlled by an interaction between 1. auxins and gibberellins 2. auxins and cytokinins 3. gibberellins and cytokinins 4. none of the above

Which hormone is responsible for apical dominance? 1. Gibberellin 2. Ethylene 3. Auxin 4. Cytokinin.

Pick up correct statements (A) Cytokinins delay senescence (B) Auxin regulate apical dominance (C) Ethylene enhances seed germination (D) Gibberellins cause falling of immature leaves.

Seedless fruit can be produced by the application of _________. 1. Oxalic acid 2. Abscissic acid 3. Gibberellic acid 4. Citric acid

Which statements are correct ? a - Cytokinins suppress the synthesis of chlorophyll b - Auxins control apical dominance c - Gibberellins promote shoot elongation d - Abscisic acid enables seeds to with-stand desiccation.

Hormone that breaks dormancy of seeds/potato tuber is 1. IAA 2. ABA 3. Zeatin 4. Gibberellin

The phenomenon of delay of senescence by cytokinin is known as 1. Richmond Lang effect 2. Bohr effect 3. Kutusky effect 4. Emerson effect

TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Which of the following hormones is used in root formation on stem cutt...

    Text Solution

    |

  2. Plants bend towards light because

    Text Solution

    |

  3. The phenomenon pf apical dominance can be overcome by exogenous applic...

    Text Solution

    |

  4. Which increases in the absence of light?

    Text Solution

    |

  5. The effect of IAA on the synthesis of ethylene is that it 1. is redu...

    Text Solution

    |

  6. IAA was first isolated from 1. Corn germ oil 2. Gibberella 3. Huma...

    Text Solution

    |

  7. Artificial application of auxins like IAA, IBA and NAA to unpollinated...

    Text Solution

    |

  8. Who amongst the following is discoverer of auxin ? 1. Skoog 2. Went...

    Text Solution

    |

  9. "" are sprayed on the cotton fields to defoliate and hence facilita...

    Text Solution

    |

  10. The nature of all gibberellins is

    Text Solution

    |

  11. In a plant the concentration of gibberellins is highest in 1. seeds a...

    Text Solution

    |

  12. Dwarfness can be controlled by treating the plant with

    Text Solution

    |

  13. Hormone that breaks dormancy of seeds/potato tuber is 1. IAA 2. ABA ...

    Text Solution

    |

  14. The first cytokinin was isolated by

    Text Solution

    |

  15. The first natural cytokinin of plants is

    Text Solution

    |

  16. Hormone primarily concern with cell division is 1. Ethylene 2. NAA ...

    Text Solution

    |

  17. Morphogenesis is controlled by an interaction between 1. auxins and ...

    Text Solution

    |

  18. The phenomenon of delay of senescence by cytokinin is known as 1. Ri...

    Text Solution

    |

  19. The hormones which regulate phloem transport are

    Text Solution

    |

  20. Cytokinin synthesis is maximum in

    Text Solution

    |