Home
Class 11
BIOLOGY
Assertion : Plants bend towards the ligh...

Assertion : Plants bend towards the light.
Reason: This is due to unequal distribution of auxins on illuminated and darker side of stem.

A

If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.

B

If both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.

C

If Assertion is true but the Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    MODERN PUBLICATION|Exercise COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (E. ANALOGY TYPE QUESTIONS :))|14 Videos

  • PLANT GROWTH AND DEVELOPMENT

    MODERN PUBLICATION|Exercise COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (F. REASONING TYPE QUESTIONS:))|1 Videos

  • PLANT GROWTH AND DEVELOPMENT

    MODERN PUBLICATION|Exercise COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (C. MATCHING TYPE QUESTIONS:))|1 Videos

  • PHOTOSYNTHESIS IN HIGHER PLANTS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|9 Videos

  • PLANT KINGDOM

    MODERN PUBLICATION|Exercise Chapter Practice Test|16 Videos

Similar Questions

Explore conceptually related problems

Plants bend towards light because

Photopropism is because of unequal distribution of auxin under the influence of unilateral (one sided) illumination as auxin

What causes a green plant to bend towards light as it grows ?

A decapitated plant does not bend towards light because

Assertion : Lizards storm toward light at night . Reason : Lizards do not like darkness .

Bending of stem towards light is

Assertion : When a pot containing a plant is put in an inverted position for a long time, roots move downwards and stem upwards. Reason: This is due to negative geotropism of root and positive geotropism of stem.

Assertion : Plants usually bend towards the source of light Reason :Shoot apex shows positive phototropism because of differential growth caused due to unequal distribution of auxin.

MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (D. ASSERTION TYPE QUESTIONS :))
  1. Assertion : Living beings show growth. Reason: It is due to metaboli...

    Text Solution

    |

  2. Assertion : Maintenance of ratio between growth rates of different par...

    Text Solution

    |

  3. Assertion : Mobilisation of stored food in germinating seeds is trigge...

    Text Solution

    |

  4. Assertion: The respiratory activity in cell maturation phase as compar...

    Text Solution

    |

  5. Assertion : Parthenogenetic fruits are prepared by spraying abscisic a...

    Text Solution

    |

  6. Assertion : Gibberellin was first extracted from fungi. Reason: Gibb...

    Text Solution

    |

  7. Assertion : Cytokinins lead to retention of chlorophyll and delay the ...

    Text Solution

    |

  8. Assertion : Seeds require water for germination. Reason: Water is t...

    Text Solution

    |

  9. Assertion : In plants during water stress and drought conditions, ABA ...

    Text Solution

    |

  10. Assertion: When terminal bud is removed, lateral branches sprout out. ...

    Text Solution

    |

  11. Assertion : Crescograph was invented by Sir J.C. Bose. Reason: Cres...

    Text Solution

    |

  12. Assertion : When a pot containing a plant is put in an inverted positi...

    Text Solution

    |

  13. Assertion: The movements of roots in relation to water is termed as hy...

    Text Solution

    |

  14. Assertion : Plant movements induced by external stimuli are known as a...

    Text Solution

    |

  15. Assertion : In fruits and leaves, abscission zone is formed at the poi...

    Text Solution

    |

  16. Assertion : Plants bend towards the light. Reason: This is due to u...

    Text Solution

    |

  17. Assertion. Plants also have hormones called phyto-hormones. Reason. ...

    Text Solution

    |

  18. Assertion . Senescence is the time when age associated defects are man...

    Text Solution

    |