Home
Class 11
BIOLOGY
Assertion : long distance flow of phtoas...

Assertion : long distance flow of phtoassimilates in plants occurs through sieve tubes.
Reason: mature seive tubes have parietal cytoplasm

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    ERRORLESS |Exercise The Living World|240 Videos

  • VIRUSES

    ERRORLESS |Exercise Viruses|125 Videos

Similar Questions

Explore conceptually related problems

Asserion : Long distance flows of photoassimilates in plants occurs through seive tubes Reason : Mature seive tubes have parietal cytoplasm and prforated seive plates

Assertion : Water and mineral uptake by root hairs from the soil occurs through apoplast until it reaches edodermis. Reason : Mature sieve tubes have parietal cytoplasm and perforated sieve plates.

Assertion :- Long distance transport of substances within plant cannot be by diffusion alone. Reason:- Diffusion is a slow process

Assertion :- Companion cells are essential for functioning of sieve tubes. Reason :- The companion cells help in maintaining the pressure gradient in sieve tubes.

Assertion : Death of companion cell results in the death of its adjacent sieve tube member. Reason : Companion cells and sieve tube cells are derived from the same mother cell.

Assertion : Insulators do no allow flow of current through them. Reason: Insulators have no free charge carrier

ERRORLESS -TRANSPORT IN PLANTS-Transport In Plants
  1. Assertion : Xylem is principal water conducting tissue. Reason : It ...

    Text Solution

    |

  2. Assertion : Water and mineral uptake by root hairs from the soil occur...

    Text Solution

    |

  3. Assertion : long distance flow of phtoassimilates in plants occurs thr...

    Text Solution

    |

  4. Assertion : Arid areas are not suitable for crops Reason: Antityrans...

    Text Solution

    |

  5. Assertion : Oil will form a film on the top of the water affecting the...

    Text Solution

    |

  6. Assertion: Film forming chemical should not be used for cheking transp...

    Text Solution

    |

  7. Assertion : Stomata are "turgor operated volves" Reason: Stomata sho...

    Text Solution

    |

  8. Assertion: Wilting occurs due to to loss in turgidity. Reason: Turgo...

    Text Solution

    |

  9. Assertion: Temporary and permanent wilting result in plant death. Re...

    Text Solution

    |

  10. Assertion: Seeds and spores do not lose the viability in unfavourable ...

    Text Solution

    |

  11. Assertion : To countract the increases in turgour pressure in plant ce...

    Text Solution

    |

  12. Assertion : Plasmolysis will be severe if the process is in the order,...

    Text Solution

    |

  13. Assertion:Water absorption is reduced by lowering O2 tension. Reason...

    Text Solution

    |

  14. Assertion:Upward movement of water is called ascent of sap. Reason:U...

    Text Solution

    |

  15. Assertion:Plants absorb water mostly by roots. Assertion:Root cap re...

    Text Solution

    |

  16. Assertion:Field capacity is maximum in loam soil. Reason:In water lo...

    Text Solution

    |

  17. Assertion:Only vertical movement of water is possible through xylem an...

    Text Solution

    |

  18. Assertion:Light is very important factor in transpiration. Reason:It...

    Text Solution

    |

  19. Assertion:Waxy and cutin coating on plant parts reduce the transpirati...

    Text Solution

    |

  20. Assertion:Water in liquid form reaches to plant surfaces in transpirat...

    Text Solution

    |