Home
Class 12
BIOLOGY
Loading of phloem is related to...

Loading of phloem is related to

A

increase of sugar in phloem

B

elongation of phloem cells

C

separation of phloem parenchyma

D

strengthering of phloem fibres

Text Solution

Verified by Experts

The correct Answer is:
A
According to mass flow hypothesis, sugar is translocated en mass through phloem along the TP . This increase of sugar in phloem during translocation is called loading of phloem.
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

oldest phloem is

pH of phloem sap is

in the veins of leaves. The phloem is situated towards

If sclerenchyma fibres occur in the region of phloem, they are called __________.

In a dorsiventral leaf, location of palisade tissue and phloem is respectively on the ______surfaces.

Assertion : In collateral vascular bundles phloem is situated toward inner side. Reason : In monocot stem, cambium is present .

Assertion : In collateral vascular bundles phloem is situated toward inner side. Reason : In monocot stem, cambium is present .

The movement of water and minerals in xylem and the movement of phloem sap in phloem is respectively

Reproductive health is related is related to

Phloem in dorsiventral leaves is directed towards

TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Organic substances such as sugars are translocated in the phloem. It c...

    Text Solution

    |

  2. Munch's mass flow hypothesis explains

    Text Solution

    |

  3. Loading of phloem is related to

    Text Solution

    |

  4. Given below is a figure of solution A & B . Which of the follow...

    Text Solution

    |

  5. Given below some properties of transport mechanism. Which of these ar...

    Text Solution

    |

  6. Water potential in leaf tissue is 'positive' (near zore ) during

    Text Solution

    |

  7. Most of the water lost by the plant through transpiration exits throug...

    Text Solution

    |

  8. Consider the following statements 1. Xylem vessels are semi-permeab...

    Text Solution

    |

  9. Consider the following events involved in stomatal opening 1. Turgo...

    Text Solution

    |

  10. Consider the following statements Osmosis is a process of transport...

    Text Solution

    |

  11. Which of the following molecules is capable of generating the greates...

    Text Solution

    |

  12. The diagram illustrates stomatal closing . The major mistake in the d...

    Text Solution

    |

  13. Pressure potential of a plant cell and its turgor pressure are

    Text Solution

    |

  14. In simple osmotic systems, at constant temperatures , the water pote...

    Text Solution

    |

  15. Addition of KCN reduces the rate of water absorption in the root. This...

    Text Solution

    |

  16. The carrier - mediated cotransport in which a solute is actively trans...

    Text Solution

    |

  17. Match List -I with List -II and select the correct answer using the co...

    Text Solution

    |

  18. A minimum ratio of transpiration to photosynthesis will be observed on...

    Text Solution

    |

  19. uptake of glucose in the intestine

    Text Solution

    |

  20. The accompanying figure depicts movement of a solute across a membrane...

    Text Solution

    |