Home
Class 11
BIOLOGY
Sieve tubes in angiosperms are associate...

Sieve tubes in angiosperms are associated with specialised parenchyma cells. Name those cells. How do they help sieve tube members.

Text Solution

Verified by Experts

Companion cells. They help in physiological working of sieve tube members.
Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    MODERN PUBLICATION|Exercise REVISION EXERCISES ( Long Answer Questions)|4 Videos

  • ANATOMY OF FLOWERING PLANTS

    MODERN PUBLICATION|Exercise COMPETITION FILE (B. CBSE - PMT ( MAIN EXAMINATION QUESTIONS : ) (1. Fill in the blanks with the suitable words out of the followings : ) ( Primary, Apical, Intercalary, Lateral, pond, Tree, Xylem, Secondary, Phloem , Pericycle, endodermal, Forest, Deser|5 Videos

  • ANATOMY OF FLOWERING PLANTS

    MODERN PUBLICATION|Exercise REVISION EXERCISES ( Very Short Answer Questions)|24 Videos

  • ANIMAL KINGDOM

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos

Similar Questions

Explore conceptually related problems

Sieve tubes have

Sieve tubes and companion cells are absent in

Mention any one characteristic of the sieve tube members

Sieve tubes and cokpanin cells occur in

$ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells.

Sieve tubes are characteristed by

MODERN PUBLICATION-ANATOMY OF FLOWERING PLANTS -REVISION EXERCISES ( Short Answer Questions)
  1. Based on position, classify various types of meristems.

    Text Solution

    |

  2. Sieve tubes in angiosperms are associated with specialised parenchyma ...

    Text Solution

    |

  3. Name the various component cells of xylem. Which of them does not have...

    Text Solution

    |

  4. How are exarch and endarch conditions different anatomically in stem a...

    Text Solution

    |

  5. How is it advantageous for an organism to be made of different kinds o...

    Text Solution

    |

  6. Give any four examples of secondary meristem.

    Text Solution

    |

  7. What are sclereids ?

    Text Solution

    |

  8. If one debarks a tree, what parts of the plant is being removed ?

    Text Solution

    |

  9. Form which part of the plant fibers are obtained : (a) Hemp (b) C...

    Text Solution

    |

  10. Palm is a monocotyledonous plant, yet it increases in girth. Why and h...

    Text Solution

    |

  11. Compare the formation of vascular cambia in dicot stem and dicot root.

    Text Solution

    |

  12. (a) Differentiate between meristematic and permanent tissues in plants...

    Text Solution

    |

  13. Give two functions of collenchyma.

    Text Solution

    |

  14. Name the tissue which provides mechanical strength to the plant organs...

    Text Solution

    |

  15. What is an annual ring ?

    Text Solution

    |

  16. The cross-section of a plant material showed the following features wh...

    Text Solution

    |

  17. Name the tissue represented by the jute fibres used in making ropes.

    Text Solution

    |

  18. Indicate the location of cambium in a dicot stem.

    Text Solution

    |

  19. Why are a large number of stomata are present at the lower surface of ...

    Text Solution

    |

  20. Draw a neatly labelled diagram of L.S. of phloem and explain briefly.

    Text Solution

    |