Home
Class 12
BIOLOGY
Root pressure does not take an active pa...

Root pressure does not take an active part in the ascent of sap because

A

it is not found in all the plants and water can rise in the absence of roots .

B

it is seen during most favourable periods like spring or rainy season.

C

it is never found to exist in the plants .

D

(1) and (2) are correct.

Text Solution

Verified by Experts

The correct Answer is:
D
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

Ascent of sap is

Root pressure is unable to explain the ascent of sap because it is not found in

Which one explains ascent of sap

Who is related to ascent of sap

Root pressure helps in ascent of sap by

Root cap takes part in

In xylem, the ascent of sap takes place in

TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. In a branch cut from a rapidly transpiring plant , water snaps away fr...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. Cohension transpiration pull theory operates in

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Water lost by transpiration is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. Sunken stomata are mainly seen in leaves of

    Text Solution

    |

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

    Text Solution

    |

  12. Main function of lentical is

    Text Solution

    |

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

    Text Solution

    |

  14. Transpiration in plants is

    Text Solution

    |

  15. Transpiration from the plants would be most rapid when

    Text Solution

    |

  16. When stomata open only at night they are called

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. Transpiration rate of a dorsiventral leaf is

    Text Solution

    |