Home
Class 12
BIOLOGY
The root nodules formed by leguminous pl...

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

A

Haemoglobin

B

Phycocyanin

C

Leghaemoglobin

D

Anthocyanin

Text Solution

AI Generated Solution

**Step-by-Step Solution:** 1. **Identify the Context**: The question pertains to the root nodules formed by leguminous plants, which are known to have a specific pigment. 2. **Understand the Role of the Pigment**: The root nodules are associated with symbiotic nitrogen-fixing bacteria, particularly Rhizobium, which help in converting atmospheric nitrogen into a usable form for the plant. 3. **Recognize the Pigment**: The red pigment present in the root nodules of leguminous plants is called leghaemoglobin. This pigment is crucial as it helps protect the nitrogen-fixing enzyme, nitrogenase, from being inactivated by oxygen. ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (B. QUESTIONS FROM CBSE EXAMINATIONS :)|27 Videos
  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (SHORT ANSWER TYPE -I QUESTIONS )( Two marks each ) (QUESTIONS FROM STATE BOARD EXAMINATIONS :)|31 Videos
  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (MCQs)|25 Videos
  • HUMAN REPRODUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION - D LONG TYPE QUESTION)|2 Videos
  • MOLECULAR BASIS OF INHERITANCE

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (Section - E)|1 Videos

Similar Questions

Explore conceptually related problems

Why are root nodules useful for the leguminous plants?

Which substance impart pink colour to the root nodule of a leguminous plant and also mention its role?

Knowledge Check

  • Root nodules in leguminous plants:

    A
    Are large outgrowths
    B
    Are produced due to the activity of Nostoc
    C
    Establish a direct vascular connection with host
    D
    Are pink due to nitrogenase
  • A pigment due to which root nodules of leguminous plants are pinkish, is

    A
    phycoerythrin
    B
    bacteriochlorophyll
    C
    bacterioviridin
    D
    leghaemoglobin
  • The cell of a root nodule in leguminous plant shows a rod shaped structure called …………

    A
    Bacteria
    B
    Infection thread
    C
    Bacteroid
    D
    Ureide
  • Similar Questions

    Explore conceptually related problems

    How the bacteria present in soil and root nodules of leguminous plants are useful ?

    Name the micro - organisms present in the soil and in the root nodules of leguminous plants which can fix atmospheric nitrogen.

    In root nodules of leguminous plants, the pigment leghamoglobin that gives pink colour to the nodules, is present in the

    In root nodules of leguminous plants, the pigment leghamoglobin that gives pink colour to the nodules, is present in the

    $ Leghaemoglobin is a compound of Iron and is present in the root nodules of leguminous plants. ! It acts as an oxygen scavenger and forms a temporary compound by combining with oxygen.