Home
Class 12
BIOLOGY
A few drops of sap were collected by cut...

A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap ?

A

Absence of suger

B

Acidic

C

Alkaline

D

Low refractive index.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRANSPORT IN PLANTS

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|22 Videos

  • TRANSPORT IN PLANTS

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|22 Videos

  • THE LIVING WORLD

    DINESH PUBLICATION|Exercise Check your grasp|12 Videos

  • VERTEBRATA-AGNATHA AND PISCES

    DINESH PUBLICATION|Exercise Check Your Grasp|9 Videos

Similar Questions

Explore conceptually related problems

Which one of the following indicates that a diagnostic test is valid?

Which one of the following features is an indication for modification of stem of a plant?

A flame test was performed to confirm the identity of a metal ion in solution. The result was a green flame. Which of the following metal ions is indicated?

A student took solution X in a test -tube and added a few drops of universal indicator to it. The solution turned blue. On addind another solution Y to this test tube drop wise, the colour of solution changed to green. When a yet another solution Z was added the solution turned yellow. Which of the following gives the correct conclusion of the student?

A student was asked to test an unknown colourless solution with an indicator. When he added a few drops of phenolphthalein indicator, the solution turned pink. Which one of the following chemicals should be added in excess so as to obtain the colourless solution again?

Which one among the following chemical tests is used to distinguish monosaccharide from disaccharide ?

DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Water potential of soil quantified in term of

    Text Solution

    |

  2. Identify the wrong statement

    Text Solution

    |

  3. Find the correct pair of statements (i) Influx of cl' into guard cel...

    Text Solution

    |

  4. Arrange the following in ascending order based on their solute concent...

    Text Solution

    |

  5. Photosynthates are translocated from source to sink organs mainly in t...

    Text Solution

    |

  6. The movement of water and minerals in xylem and the movement of phloem...

    Text Solution

    |

  7. In the given diagram, which is the initial condition of plasmolysis

    Text Solution

    |

  8. Process of water exudation from hydathodes is known as

    Text Solution

    |

  9. Apoplastic movement of water occurs exclusively through the the (i) In...

    Text Solution

    |

  10. In plants opening of stomata is regulated by

    Text Solution

    |

  11. In cipient plasmolysis is

    Text Solution

    |

  12. Turgor pressure of a plant cell increases due to

    Text Solution

    |

  13. The movement of solvent molecules into the region of higher solute con...

    Text Solution

    |

  14. Which of the following equations is correct in respect of osmotic phen...

    Text Solution

    |

  15. X and Y are adjacent living cells. The cell X has solute potential (Ps...

    Text Solution

    |

  16. Water vapour comes out from the plant leaf through the stomatal openin...

    Text Solution

    |

  17. A few drops of sap were collected by cutting across a plant stem by a ...

    Text Solution

    |

  18. A plasmolysed cell can be deplasmolysed by placing it in

    Text Solution

    |

  19. Assertion : Trasnlocation of suger from source to sink is defined as p...

    Text Solution

    |

  20. Which of the following facilitates opening of stomatal aperture ?

    Text Solution

    |