Home
Class 12
BIOLOGY
The most accepted theory for ascent of s...

The most accepted theory for ascent of sap is

A

Transpiration pull and cohesion tension theory of Dixon and Jolly

B

Pulsating action of living cell

C

Imbibition theory

D

de Vries cytoplasmic streaming theory

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRANSPORT IN PLANTS

    AAKASH SERIES|Exercise EXERCISE II|52 Videos

  • TRANSPORT IN PLANTS

    AAKASH SERIES|Exercise EXERCISE III|20 Videos

  • RESPIRATION IN PLANTS

    AAKASH SERIES|Exercise Exercise - III|9 Videos

Similar Questions

Explore conceptually related problems

The most widely accepted theory for ascent of sap in trees is

Which of the following is the most accepted theory for movement of water through plants ?

Most accepted theory of ageing is

Which one is against the theory of ascent of sap by Dixon and Jolly

The most accepted view for origin of life is :

Root pressure theory of ascent of sap is unacceptable because

Explain the transpiration pull theory for ascent of sap.

According to Dixon and Jolly's Cohesion Theory the channel for ascent of sap is

Sir J.C. Bose proposed in theory of ascent of sap known as

The most accepted and recent theory of organic evolution is :

AAKASH SERIES-TRANSPORT IN PLANTS -EXERCISE III
  1. The most accepted theory for ascent of sap is

    Text Solution

    |

  2. The water potential of pure water is:

    Text Solution

    |

  3. Which of the following facillitates opening of stomatal aperture ?

    Text Solution

    |

  4. Specialised epidermal cells surrounding the guard cell are called

    Text Solution

    |

  5. The phloem sap is

    Text Solution

    |

  6. Water vapour comes out from the plant leaf through the stomata} openin...

    Text Solution

    |

  7. Root pressure is usually because of

    Text Solution

    |

  8. Roots play insignificant in absorption of water in :

    Text Solution

    |

  9. A column of water within xylem vessels of tall trees does not break un...

    Text Solution

    |

  10. Transpiration and root pressure cause water to rise in plants by

    Text Solution

    |

  11. The osmotic expansion of a cell kept in water is chiefly regulated by

    Text Solution

    |

  12. Lenticels are involved in

    Text Solution

    |

  13. Which of the following criteria does not pertain to facilitated transp...

    Text Solution

    |

  14. Which one of the following is correctly matched

    Text Solution

    |

  15. Guard cells differ from other epidermal cells in having

    Text Solution

    |

  16. Which one of the following elements in plants is not remobilised ?

    Text Solution

    |

  17. Guttation is the result of

    Text Solution

    |

  18. which one of the following structures between two adjacent cells is an...

    Text Solution

    |

  19. Guard cell help in :

    Text Solution

    |

  20. The rupture and fractionation do not usually occur in the water column...

    Text Solution

    |

  21. Two cells A and B are contiguous, Cell A has osmotic pressure 10 atm, ...

    Text Solution

    |