Home
Class 12
BIOLOGY
Assertion (A). Ethylene induces ripening...

Assertion (A). Ethylene induces ripening
Reason (R). Ethylene is a gaseous hormone

A

A and R are true, R is the correct explanation of A

B

A and R are true but R is not the correct explanation

C

A is true, R is false

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    ARIHANT NEET|Exercise CHAPTER EXERCISES (MEDICAL ENTRANCES SPECIAL FORMAT QUESTIONS ) ASSERTION & REASON|7 Videos

  • PLANT BREEDING AND TISSUE CULTURE

    ARIHANT NEET|Exercise Medical entrances gallery (Collection of questions Asked in NEET and Various Medical Entrance Exams)|44 Videos

  • PLANTAE

    ARIHANT NEET|Exercise Chapter Exercises (C Medical entrances gallery)|80 Videos
ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. The Avena curvature is used for bioassay of

    Text Solution

    |

  2. Identify the correct pair of combination (i) Zeatin - adenine deriva...

    Text Solution

    |

  3. Assertion (A). Ethylene induces ripening Reason (R). Ethylene is a g...

    Text Solution

    |

  4. One hormone hastens maturity period in juvenile conifers, a second hor...

    Text Solution

    |

  5. Which of the following statements regarding photoperiodism is false

    Text Solution

    |

  6. One hormone stimulates the closure of stomata and another one influenc...

    Text Solution

    |

  7. Which one is correct for blooming of short day plants

    Text Solution

    |

  8. The hormone which reduces transpiration rate by inducing stomatal clos...

    Text Solution

    |

  9. Which of the following is a dicot weedicide

    Text Solution

    |

  10. A few normal seedlings of tomato were kept in a dark room. After few d...

    Text Solution

    |

  11. Which is not the effect of ethylene ?

    Text Solution

    |

  12. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

    Text Solution

    |

  13. In flowering plants, the site of perception of light/dark duration is

    Text Solution

    |

  14. If a plant produces flowers when exposed to alternating periods of 5 h...

    Text Solution

    |

  15. Spraying sugarcane crop with a plant hormone increases length of plant...

    Text Solution

    |

  16. Cells attaining their maximum size in terms of wall thickening and pro...

    Text Solution

    |

  17. During seed germination its stored food is mobilised by

    Text Solution

    |

  18. Movement of tendrils in response to touch is known as

    Text Solution

    |

  19. The phytohormone, which helps in germination of seed is

    Text Solution

    |

  20. Compare the statement A and B. Statement A Ethylene is a gas, which ...

    Text Solution

    |