Home
Class 11
BIOLOGY
Statement 1: Xylem transport is unidirec...

Statement 1: Xylem transport is unidirectional.
Statement 2: Phloem transport is bi-directional.

A

Both statements `1` and `2`are correct.

B

Statement `1` is correct but statement `2` is incorrect.

C

Statement `1` is Incorrect but statement `2` is correct.

D

Both statement `1` and `2` are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
A

Water passage from root hair to xylem and then to other parts is undirectional (unidirectional upwards in xylem). The dirction of movement of organic solutes in phloem can be upwards or downwards `i.e.` bi-directional.
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    NCERT FINGERTIPS|Exercise The Living World|130 Videos

Similar Questions

Explore conceptually related problems

Explain why xylem transport is unidirectional and phloem transport bi-directional.

Transpiration | Phloem transport

Element required for phloem transport is

Guttation | | Phloem transport | | Excudation

Transpiration and Phloem Transport

Movement of substances in xylem is unidirection while in phloem it is bidirectional. Explain

Xylem t ransports only inorganic nutrients while phloem transports only organic materials.

'Water transport through xylem is unidirectional'. Justify the statement.

NCERT FINGERTIPS-TRANSPORT IN PLANTS-Transport In Plants
  1. Which of the following statements is correct ?

    Text Solution

    |

  2. Which of the following elements are most readily mobilised?

    Text Solution

    |

  3. Statement 1: Xylem transport is unidirectional. Statement 2: Phloem ...

    Text Solution

    |

  4. Unidirectional flow of water minerals, some organic nitrogen and hormo...

    Text Solution

    |

  5. The manufactured food in a green plant moves from the leaves to other ...

    Text Solution

    |

  6. Multi-directional flow of a variety of organic and inorganic solutes o...

    Text Solution

    |

  7. phloem sap is mainly made of

    Text Solution

    |

  8. The given diagram shows a potato plant forming new tubers. Which rou...

    Text Solution

    |

  9. Mass flow hypothesis was first described by

    Text Solution

    |

  10. Refer to the given figure representing mechanism of translocation and ...

    Text Solution

    |

  11. Organic substances such as sugars are translocated in the phloem. It c...

    Text Solution

    |

  12. A girdled plant (upto bast) may survive for some time but it will even...

    Text Solution

    |

  13. Ringing/girdling experiments demonstrate

    Text Solution

    |

  14. Given figure shows U-shaped tube with two hands A and B separated by a...

    Text Solution

    |

  15. Given figure demonstrates the translocation of organic solutes accordi...

    Text Solution

    |

  16. Stomatal opening and closing involves the role of various ions. In the...

    Text Solution

    |

  17. Stomatal movements are influenced by a number of environmental factors...

    Text Solution

    |

  18. Given diagram illustrates the changes that occur when a plant cell tak...

    Text Solution

    |

  19. the given diagram illustrates stomata closing the major mistake in the...

    Text Solution

    |

  20. On a warm summer day the transpiration pull is the main force that dri...

    Text Solution

    |