Home
Class 12
BIOLOGY
IAA was first isolated from 1. Corn germ...

IAA was first isolated from
1. Corn germ oil
2. Gibberella
3. Human urine
4. Rhizopus

A

Corn germ oil

B

Gibberella

C

Human urine

D

Rhizopus

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

Who first coined the term 'Taxonomy'? 1. Simpson 2. Candolle 3. Mayr 4. Linnaeus.

Which is a good source of omega -3 fatty acid - 1. cooking oil 2. fish oil 3. vanaspati 4. mustard oil

Rich source of lactose is: 1. ripe fruit 2. human liver 3. milk 4. sugar

The largest part of human brain is: 1. 2. 3. 4.

Artificial application of auxins like IAA, IBA and NAA to unpollinated pistils can form 1. fruits with much flesh 2. larger fruits 3. sweet fruits 4. seedless fruits

Where myotome muscles are seen? 1.Monkey 2.Crabs 3.Fish 4.Human

Plants absorb sulphur in the form of 1. SO_(4) from soil 2. SO_(2) from air 3. both (1) and (2) 4. SO_(3) from soil

Sex-linked inheritance was discovered by 1. Tjio and Levan in human 2. T.H. Morgan in Drosophila 3. Haldane through pedigree analysis in human 4. H.J. Muller in Drosophila

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

Bipedal locomotion is found in: 1.Fish 2.Cockroach 3.Dogs 4.Human

TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Which increases in the absence of light?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. The nature of all gibberellins is

    Text Solution

    |

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

    Text Solution

    |

  9. Dwarfness can be controlled by treating the plant with

    Text Solution

    |

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

    Text Solution

    |

  11. The first cytokinin was isolated by

    Text Solution

    |

  12. The first natural cytokinin of plants is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. The hormones which regulate phloem transport are

    Text Solution

    |

  17. Cytokinin synthesis is maximum in

    Text Solution

    |

  18. Name the hormone which stimulates transverse or isodiametric growth

    Text Solution

    |

  19. Major precursor of ethylene production in plants is

    Text Solution

    |

  20. Match the items of column I and column II {:("Column I","Column II")...

    Text Solution

    |