Home
Class 12
BIOLOGY
Function of companion cells is...

Function of companion cells is

A

Provide energy to sieve elements for active transport

B

Provide water to phloem

C

Load sucrose into sieve elements by passive transport

D

Load sucrose into sleve elements by active transport

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 3

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

  • NEET MOCK TEST 5

    NTA MOCK TESTS|Exercise BIOLOGY-SINGLE CHOICE|90 Videos

Similar Questions

Explore conceptually related problems

Which cell type will perform the function of companion cells in Pinus :

What is location and function of companion cells ?

What is the function of a companion cell ?

Companion cells are

Vein loading of sucrose into companion cell is

Assertion :- Sieve tube element and companion cell are called sister cells. Reason :- Sieve tube element and companion cells arise from same mother cells.

A flowering plant without companion cells in its phloem is

Sieve tubes and companion cells are sister cells and (a) Companion cells maintain the osmotic balance in sieve elements (b)Both cells are derived from same mother cells (c )Sieves are associated with companion cells in all seed beasing plants (d) Companion cells present in Pinus only

In pteridophyta and gymnosperms which cells are present in place of companion cell

NTA MOCK TESTS-NEET MOCK TEST 4-BIOLOGY
  1. During oxygen transport, the oxyhaemoglobin at the tissue level libera...

    Text Solution

    |

  2. In rainy season, door gets swelled due to

    Text Solution

    |

  3. Function of companion cells is

    Text Solution

    |

  4. A plant leaf is found to have bundle sheath cells having large-sized c...

    Text Solution

    |

  5. Which of the following is not caused by deficiency of mineral nutritio...

    Text Solution

    |

  6. Genetic dwarfness in plants can be resolved by

    Text Solution

    |

  7. Select the option with the correct identification of the structures la...

    Text Solution

    |

  8. Concavalin A is

    Text Solution

    |

  9. Which of the following is pollinated by water

    Text Solution

    |

  10. Which of the following tissue is absent in vasular bundles of monocot ...

    Text Solution

    |

  11. In humans, placenta is derived from

    Text Solution

    |

  12. Select the correct option for A, B , C and D given in the figure with ...

    Text Solution

    |

  13. Which one of the following is the correct matching of the events occur...

    Text Solution

    |

  14. You are given tissue with its potential for differentiation in artific...

    Text Solution

    |

  15. Germpore is the region where the exine is

    Text Solution

    |

  16. Pentamerous actinomorphic flowers, bicarpellary ovary with oblique sep...

    Text Solution

    |

  17. Out of 64 codons , 61 codons code for 20 types of amino acid. It is ca...

    Text Solution

    |

  18. How many different kinds of gametes will be produced by a plant having...

    Text Solution

    |

  19. Smoking addiction is harmful because it produces polycycllic aromatic ...

    Text Solution

    |

  20. The percentage of all gymnosperm species facing extinction is

    Text Solution

    |