Home
Class 11
BIOLOGY
Assertion : Small leadlets are present o...

Assertion : Small leadlets are present on the phyllode of Parkinsonia aculeata
Reason : phyllode does not bear leaves and flowers.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B

Phyllodes do not bear leaves, branches, flowers, etc. In Parkinsonia aculeata, the rachis ends in a spine. Rachis branches are elongated, flattened and green to function as phyllodes. They bear small leaflets which fall off very easily.
Promotional Banner

Topper's Solved these Questions

  • MORPHOLOGY OF ANIMALS

    ERRORLESS |Exercise Morphology Of Animals|134 Videos
  • NEURAL CONTROL AND COORDINATION

    ERRORLESS |Exercise Neural Control And Coordination|445 Videos

Similar Questions

Explore conceptually related problems

Phyllode is present in :

Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: Many tube like glands are present in the wall of small intestine. Reason : These glands secrete enzymes DNAse and RNAse into the intestinal juice.

Which of the infloresence does not bear bisexual flowers

Phyllode is present in :-

Assertion :- Petiole modifies into leaf like structure in phyllode. Reason :-Phyllode does not perform photosynthesis.

Assertion : All floral whorls are supposed to be modified leaves . Reason : Flower is considered as a modified shoot bearing floral parts on its nodes .

ERRORLESS -MORPHOLOGY OF FLOWERING PLANTS-Morphology Of Flowering Plants
  1. Assertion : Prickles of plant have a single role of protection of plan...

    Text Solution

    |

  2. Assertion : Samara is a winged achenial fruit Reason : Wings may or ...

    Text Solution

    |

  3. Assertion : Small leadlets are present on the phyllode of Parkinsonia ...

    Text Solution

    |

  4. Assertion : Persistent sepals of physalis are called accrescent Reas...

    Text Solution

    |

  5. Assertion : An incomplete flower can be perfect Reason : Perfect fow...

    Text Solution

    |

  6. Assertion : The flowers of Hypanthodium are never exposed Reason : H...

    Text Solution

    |

  7. Assertion : Heterophylly is seen in many aquatic plants reason : Aqu...

    Text Solution

    |

  8. Assertion : In caducous plants, leaves are never formed Reason : In ...

    Text Solution

    |

  9. Assertion : Onion leaves are centric and green Reason : Aerial leave...

    Text Solution

    |

  10. Assertion : China rose and rose both bear stipules Reason : They are...

    Text Solution

    |

  11. Assertion : Verticillaster is a cymose inflorescence Reason : The ma...

    Text Solution

    |

  12. Assertion : Leaves of Bryophyllum, Begonia help in vegetative multipli...

    Text Solution

    |

  13. Assertion : Adiantum caudatum is a walking ferm Reason : Adiantum gr...

    Text Solution

    |

  14. Assertion : In corymb, all the flowers lie at the same level Reason ...

    Text Solution

    |

  15. Assertion : Spathe, a brack of spadix attracts pollinators Reason : ...

    Text Solution

    |

  16. Assertion : Flower of racemose inflorescence are pollinated by insects...

    Text Solution

    |

  17. Assertion : In cymose inflorescence, the main axis ends in a flower, b...

    Text Solution

    |

  18. Assertion : Compound umbel is branched Reason : In compound umbel, b...

    Text Solution

    |

  19. Assertion : In cynthium, several male flowers surround a single female...

    Text Solution

    |

  20. A plant which lives for a few days is called

    Text Solution

    |