Home
Class 12
BIOLOGY
Mass flow hypothesis was put forward by ...

Mass flow hypothesis was put forward by
(a) Swanson
(b) Munch
(c) Curtis
(d) De Vries

A

Munch

B

Dixon

C

Nitch

D

Levitt

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

Munch's mass flow hypothesis explains

Explain the mass flow hypothesis of transport in phloem.

Describe the mass flow hypothesis for trans location of organic solutes (food) in plants.

The binomial system of naming a species was first devised by : (a) Aristotle (b) Hugo de Vries (c) Carolus Linnaeus (d) Bentham & Hooker

According to Hugo de Vries, mutations play an important role in speciation although they are random and directionless. These mutations were termed (a) Saltations (b) Founder effect (c) Bottle neck effect (d) Variations

According to the pressure flow hypothesis A. Phloem loading produces a hypertonic condition in the sieve tubes. B. Water potential gradient facilitates the mass movement in the phloem. C. Phloem unloading is a passive process .

Rivert popper hypothesis was given by (a) Paul Ehrlich (b) Alexander von Humboldt (c) David Tilman (d) Robert May

Minerals enter a plant mainly by (a) diffusion (b) pressure flow (c) translocation (d) active transport

In '' rivet - popper hypothesis '' , the wing rivets are compared with (a) dominant species (b) critical link species (c) rare species (d) key stone species

AAKASH SERIES-TRANSPORT IN PLANTS -EXERCISE III
  1. Mass flow hypothesis was put forward by (a) Swanson (b) Munch (c) ...

    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

    |