Home
Class 12
BIOLOGY
Cohension transpiration pull theory oper...

Cohension transpiration pull theory operates in

A

passive water absorption

B

active water absorption

C

conditions favouring guttation

D

conditions restricting transpiration

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|123 Videos
  • Viruses

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|20 Videos

Similar Questions

Explore conceptually related problems

In transpiration

Define transpiration

Cohesion/transpiration pull theory of ascent of sap was proposed by

If cohesion-tension transpiration pull theory is correct, a break in water colimn should

If choesion-tension transpiration pull theroy is correct break in water column should

What is transpiration ?

TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. The osmotic pressure of the leaf cells is maximum in the afternoon, th...

    Text Solution

    |

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

    Text Solution

    |

  3. Cohension transpiration pull theory operates in

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. Water lost by transpiration is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Sunken stomata are mainly seen in leaves of

    Text Solution

    |

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

    Text Solution

    |

  11. Main function of lentical is

    Text Solution

    |

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

    Text Solution

    |

  13. Transpiration in plants is

    Text Solution

    |

  14. Transpiration from the plants would be most rapid when

    Text Solution

    |

  15. When stomata open only at night they are called

    Text Solution

    |

  16. Which of the following is not a function of transpiration ?

    Text Solution

    |

  17. The high amount of malate in guard cells of open stomata accumulates b...

    Text Solution

    |

  18. The lowest water potentials in the xylem are in the

    Text Solution

    |

  19. Transpiration rate of a dorsiventral leaf is

    Text Solution

    |

  20. Loss of water by cells without external sign of leaf drooping is calle...

    Text Solution

    |