Home
Class 12
BIOLOGY
Assertion.Plant growth regulators are ve...

Assertion.Plant growth regulators are very important for plant growth and development
Reason. Auxins do not induce flowering in gymnosperms.

A

Point out if both are true with reason being correct explanation

B

both true but reason not correct explanation

C

assertion true but reason wrong

D

both are wrong.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise CYG|14 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos
  • PLANT BREEDING AND DISEASE CONTROL

    DINESH PUBLICATION|Exercise MCQ|244 Videos
  • PLATYHELMINTHES-THE FLAT WORMS

    DINESH PUBLICATION|Exercise check your grasp|9 Videos

Similar Questions

Explore conceptually related problems

Plant growth regulators | | Auxin

Plant growth regulators (PGRs) are

Humus is important for plant growth because:

Plant Growth and Development (Assertion Reason Question 1-60)

Two important intrinsic controls which are important in plant growth and development are

Which one is growth regulator produced by plants

DINESH PUBLICATION-Plant Growth and Movements-RQ
  1. Vernalisation is carried out in plants growing in

    Text Solution

    |

  2. Gibberellins can promote seed germination because of their influence o...

    Text Solution

    |

  3. Assertion.Plant growth regulators are very important for plant growth ...

    Text Solution

    |

  4. Abscisic acid causes

    Text Solution

    |

  5. The characteristics like expansion, breaking dormancy, promoting germi...

    Text Solution

    |

  6. A natural growth regulator is

    Text Solution

    |

  7. 6-(4-Hydroxy-3 Methyl-trans-2-butenylamine) purine is also called

    Text Solution

    |

  8. Cholodony and Went effect is due to

    Text Solution

    |

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

    Text Solution

    |

  10. Bolting means

    Text Solution

    |

  11. Phytochrome responsible for flowering is

    Text Solution

    |

  12. The primary and secondary growth of a shoot inhibited by

    Text Solution

    |

  13. The pigment which mainly absorbs red and far-red radiation in plants, ...

    Text Solution

    |

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

    Text Solution

    |

  15. Select the correctly matched pair

    Text Solution

    |

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

    Text Solution

    |

  17. Which of the following statements regarding photoperiodism is false

    Text Solution

    |

  18. The hormone that promotes rapid elongation of intermodes or leaf base ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |