Home
Class 11
BIOLOGY
The nodules present in the leguminous pl...

The nodules present in the leguminous plants appear pink in colour due to the presence of

A

RBCs

B

leghaemoglobin

C

nitrogenase enzyme

D

bacterial secretion.

Text Solution

Verified by Experts

The correct Answer is:
B
The nodule contains a pinkish pigment called Leghaemoglobin (Lb) which is an oxygen scavenger and protects nitrogen fixiing enzyme nitrogenase from oxygen.
Promotional Banner

Topper's Solved these Questions

  • LOCOMOTION AND MOVEMENT

    NCERT FINGERTIPS|Exercise Locomotion And Movement|139 Videos

  • MORPHOLOGY OF FLOWERING PLANTS

    NCERT FINGERTIPS|Exercise Morphology Of Flowering Plants|135 Videos

Similar Questions

Explore conceptually related problems

Golden rice is yellow in colour due to the presence of

Root nodules in leguminous plants:

Why are root nodules useful for the leguminous plants?

Soap bubble appears coloured due to the phenomenon of

The root nodules formed by leguminous plants have a red pigment called

Cow's milk is slightly yellowish in colour due to the presence of

NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. Certain non-leguminous plants also form nodules to fix N(2). Example o...

    Text Solution

    |

  2. N(2)-fixing blue-green alga Anabaena which is extensively used in rice...

    Text Solution

    |

  3. The nodules present in the leguminous plants appear pink in colour due...

    Text Solution

    |

  4. During nodule formation in leguminous plants, an infection thread is p...

    Text Solution

    |

  5. Refer to the given figure and select the correct option.

    Text Solution

    |

  6. Study the given figures carefully showing the development of root nodu...

    Text Solution

    |

  7. What dows the given figure represent?

    Text Solution

    |

  8. During N(2) fixation, reduction of one molecule of nitrogen into 2 mol...

    Text Solution

    |

  9. Which one is the correct equation of nitrogen fixation?

    Text Solution

    |

  10. The cofactor of nitrate reductase is

    Text Solution

    |

  11. Leghaemoglobin is produced in response to

    Text Solution

    |

  12. Which of the following statements is incorrect about leghaemoglobin?

    Text Solution

    |

  13. conditions are created by leghaemoglobin in the root nodule of a legum...

    Text Solution

    |

  14. Read the following statements and select the correct answer. (i). Rh...

    Text Solution

    |

  15. Ammonia synthesis by nitrogenase requires

    Text Solution

    |

  16. Read the following statements and select the incorrect ones. (i). Th...

    Text Solution

    |

  17. Refer to the given reaction alpha-Ketoglutaric acid +NH(4)^(+)+NADPH...

    Text Solution

    |

  18. Select the option which completes the given equation for reductive ami...

    Text Solution

    |

  19. The process of transfer of amino group from one amino acid to the keto...

    Text Solution

    |

  20. Refer to the given reacton, what does it depict? underset("Amino-don...

    Text Solution

    |