Home
Class 11
BIOLOGY
Elongation of internodes is controlled b...

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

A

Auxin

B

Gibberelin

C

Cytokinin

D

Absicissic acid.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2016 (1)

    UNITED BOOK HOUSE|Exercise EXAMPLE|50 Videos

  • QUESTION PAPER 2018 (1)

    UNITED BOOK HOUSE|Exercise EXAMPLE|49 Videos

Similar Questions

Explore conceptually related problems

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

Find the correct statements 1. Causal organism of foolish seedling disease is source of gibberellin 2. Absicisic acid is growth promoter 3. Ratio of auxin to cytokinin controls differentiation 4. Bolting of cabbage can be induced by treatment with IAA

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

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

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.

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

Coconut water contains: 1. Abscissic Acid 2. Cytokinin 3. Auxin 4. Gibberellin

Hormone primarily concern with cell division is 1. Ethylene 2. NAA 3. Cytokinin / zeatin 4. Gibberellic acid

Apoenzymes are: 1. Proteins 2. Vitamin 3. Carbohydrate 4. Amino acid

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

UNITED BOOK HOUSE-QUESTION PAPER 2017 (1)-EXAMPLE
  1. r-RNA is synthesized in: 1. Nucleus 2. Nucleous 3. nuclear reticul...

    Text Solution

    |

  2. Coconut water contains: 1. Abscissic Acid 2. Cytokinin 3. Auxin ...

    Text Solution

    |

  3. Elongation of internodes is controlled by: 1. Auxin 2. Gibberelin 3. ...

    Text Solution

    |

  4. Glycolysis process generates a net gain of number of ATP. a. 2 b. 4 ...

    Text Solution

    |

  5. When only carbohydrate is oxidised in respiration then the value of R....

    Text Solution

    |

  6. Which one of the following is not a property of white muscle? 1. Z-l...

    Text Solution

    |

  7. Stroke volume of Cardiac output in human is: 1. 50 ml 2. 700 ml 3. 70 ...

    Text Solution

    |

  8. Which of the following is the disorder of respiratory system? a. Emph...

    Text Solution

    |

  9. Define incomplete flower.

    Text Solution

    |

  10. Name the BIOsiological process used to form curd from milk.

    Text Solution

    |

  11. Name the hormone which is produced during ripening of fruits.

    Text Solution

    |

  12. Name the part of alimentary canal where a few vitamins are synthesized...

    Text Solution

    |

  13. Name the part of alimentary canal where Cholecystokinin Pancreozymin (...

    Text Solution

    |

  14. Mention two functions of Liver in relation to protein metabolism.

    Text Solution

    |

  15. Give two distinguishing features of superclass Agnatha of phylum Chord...

    Text Solution

    |

  16. Distinguish between marginal and axial placentation.

    Text Solution

    |

  17. Define cartilagenous tissue. Mention one important difference between ...

    Text Solution

    |

  18. What is nucleotide? Distinguish it from nucleoside.

    Text Solution

    |

  19. What is denitrification? Mention one bacterium responsible for it.

    Text Solution

    |

  20. Name one bacterium responsible for symbiotic nitrogen fixation. What d...

    Text Solution

    |