Home
Class 12
BIOLOGY
An osmotically active substance is that ...

An osmotically active substance is that which can

A

cause osmotic entry of some solutes into it

B

cause osmotic entry of solutes as well as solvent into it

C

cause an osmotic entry of water into it

D

all are correct

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|119 Videos

  • Viruses

    TRUEMEN BIOLOGY ENGLISH|Exercise ASSERTION AND REASON|21 Videos

Similar Questions

Explore conceptually related problems

A perfect partition between osmotically active system and pure water in physical condition can be formed by a

In metallurgy, the substance which can act as de-oxidizer is

A zymogen is an inactive substance which is made active with the help of difference enzymes. Pepsinogen is secreted as a zymogen into the stomach to

Name three substances that can sublime.

A reducing agent is a substance which can

A human body required the 0.01 M activity of radioactive substance after 24 h. Half life of radioactive substance is 6h. Then injection of maximum activity of radioactie substance that can be injected will be

What do you understand by active mass of a substance ? In what units can it be expressed?

Name : (a) two substances which can sublime (b) two substances soluble in water (c) two substances insoluble in water (d) four substances that can be used as filters.

The half-life of a radioactive substance is 3h and its activity is 1mu Ci . Then the activity after 9h will be (in mu Ci )-

A substance which can not sublime is

TRUEMEN BIOLOGY ENGLISH-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Which of the following has the higher water potential ?

    Text Solution

    |

  2. During absorption of water by roots , the water potential of cell sap ...

    Text Solution

    |

  3. An osmotically active substance is that which can

    Text Solution

    |

  4. The relationship of DPD , OP , TP and WP is

    Text Solution

    |

  5. A cell is plasmolysed after being kept in hypertonic solution . What w...

    Text Solution

    |

  6. The potential energy of water is referred to as

    Text Solution

    |

  7. Addition of a solute to pure water causes

    Text Solution

    |

  8. Water potential and osmotic potential of pure water are

    Text Solution

    |

  9. What would be Psi(P) in cell A and cell B respectively ?

    Text Solution

    |

  10. Cell A has osmotic potential of -18 bars and pressure potential of 8 b...

    Text Solution

    |

  11. If a cell loses water its D.P.D.

    Text Solution

    |

  12. A cell 'A' has Psi(W)=-18 bars and its adjacent cell 'B' has a water p...

    Text Solution

    |

  13. Water potential of a solution is always

    Text Solution

    |

  14. When the cell is turgid

    Text Solution

    |

  15. Reduction of water potential due to presence of solute is

    Text Solution

    |

  16. If a plant cell has Psi(S) value of -10 bar and Psi(P) value of +5 bar...

    Text Solution

    |

  17. Which one is correct ?

    Text Solution

    |

  18. Plant cells do not burst in distilled water because

    Text Solution

    |

  19. If cell (A) with OP =5 and TP=4 is surrounded by cells with OP =3 and ...

    Text Solution

    |

  20. The actual pressure with which water enters into the cell is called

    Text Solution

    |