Home
Class 12
BIOLOGY
According to Dixon and Joly's Cohesion T...

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

A

xylem parenchyma

B

lumen of vessels and tracheids of xylem

C

xylem fibre

D

cortical cells

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|124 Videos

  • Viruses

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|21 Videos

Similar Questions

Explore conceptually related problems

What is ascent of sap?

Explain the mechanis of Ascent of Sap.

Which one explains ascent of sap?

According to Bayer's strain theory which is highly stable?

According to Bohr's theory, the angular momentum for an electron of 5th orbit is

Which is the most convincing theory that explains ascent of sap?

According to Classical theory, the Rutherford model of atom is

According to collision theory, what are the two factors that lead to effective collisions

TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. When aerial parts of a plant are cut the sap exudes from the root with...

    Text Solution

    |

  2. The energy source that mainly drives the upward flow of water is

    Text Solution

    |

  3. According to Dixon and Joly's Cohesion Theory the channel for ascent ...

    Text Solution

    |

  4. In a branch cut from a rapidly transpiring plant , water snaps away fr...

    Text Solution

    |

  5. The osmotic pressure of the leaf cells is maximum in the afternoon, th...

    Text Solution

    |

  6. Root pressure does not take an active part in the ascent of sap becaus...

    Text Solution

    |

  7. In the given TS of root , what part A,B and C

    Text Solution

    |

  8. Cohension transpiration pull theory operates in

    Text Solution

    |

  9. Which contributes most to the transport of water from the soil to the ...

    Text Solution

    |

  10. Movement of H(2)O through cell wall is called

    Text Solution

    |

  11. Water lost by transpiration is

    Text Solution

    |

  12. Cobalt chloride is blue in anhydrous state . In contact with water va...

    Text Solution

    |

  13. Which of the following amphistomatous leaves would dry up last ?

    Text Solution

    |

  14. Sunken stomata are mainly seen in leaves of

    Text Solution

    |

  15. In terrestial habitats , temperature and rain fall conditions are in...

    Text Solution

    |

  16. Main function of lenticel is

    Text Solution

    |

  17. Apart from stomata through which other way can oxygen enter the plants...

    Text Solution

    |

  18. Transpiration in plants is

    Text Solution

    |

  19. Transpiration from the plants would be most rapid when

    Text Solution

    |

  20. When stomata open only at night they are called

    Text Solution

    |