Home
Class 12
BIOLOGY
Foolish seedlingdisease of rice led to t...

Foolish seedlingdisease of rice led to the discovery of:

A

ABA

B

2,4-D

C

IAA

D

GA

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS

    MBD PUBLICATION|Exercise QUESTION BANK|145 Videos

  • PLANT KINGDOM

    MBD PUBLICATION|Exercise Question Bank|94 Videos

Similar Questions

Explore conceptually related problems

Mosley's name is connected with the discovery of:

Which scientist was responsible for the discovery of radium?

Biopatents are usually awarded for the discovery of

Assertion : The Nile perch introduced into lake Victoria in east Africa led to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake. Reason : When alien species are introduced deliberately for economic or other uses, they often become invasive and cause extinction of indigenous species. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

Who were awarded nobel prize for the discovery of Restriction endonucleases?

Which compound led to the discovery of noble gases ? How ?

Name two scientists associated with discovery of noble gasses.

MBD PUBLICATION-PLANT GROWTH AND DEVELOPMENT-QUESTION BANK
  1. Auxins originates at the tip of the stem and controls growth elsewhere...

    Text Solution

    |

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

    Text Solution

    |

  3. Foolish seedlingdisease of rice led to the discovery of:

    Text Solution

    |

  4. A marked increase in stem length is by:

    Text Solution

    |

  5. Cell division and cell differentiation are controlled by the hormone:

    Text Solution

    |

  6. Genetically dwarf plants can be induced to grow tall by using:

    Text Solution

    |

  7. Which of the following is called stress hormone?

    Text Solution

    |

  8. One hormone helps in ripening of fruits while the other-stimulates clo...

    Text Solution

    |

  9. Which of the following hormones does not naturally.occur in plants ?

    Text Solution

    |

  10. Cytokinin helps in

    Text Solution

    |

  11. Which one of the following plant functions is not controlled by auxins...

    Text Solution

    |

  12. Function of ABA is

    Text Solution

    |

  13. Apical dominance is due to

    Text Solution

    |

  14. Which of the following is not a physiological effect of auxin ?

    Text Solution

    |

  15. Abscisic acid is known as the stress hormone because it:

    Text Solution

    |

  16. Internodal elongation is associated with:

    Text Solution

    |

  17. Cell division and cell differentiation are controlled by the hormone:

    Text Solution

    |

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

    Text Solution

    |

  19. Auxanometer is used for the measurement of

    Text Solution

    |

  20. Richmond-Lang effect can be observed in plants by The treatment of:

    Text Solution

    |