Home
Class 12
BIOLOGY
Assertion : Nitogen - fixing bacteria in...

Assertion : Nitogen - fixing bacteria in legume root nodules survive in oxygen - depleted cells of nodules.
Reason : Leghaemoglobin completely removes oxygen from the nodule cells.

A

If both Assertion and Reason are true and Reason is a correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not a correct explanation of Assertion

C

If Assertion is true but Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (Multiple Choice Questions)(One mark each)(Section-A)|5 Videos

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (Short Answer Type-I Questions)(Two mark each)(Section-B)|5 Videos

  • MICROBES IN HUMAN WELFARE

    MODERN PUBLICATION|Exercise COMPETITION FILE OBJECTIVE TYPE QUESTIONS (MATCHING TYPE QUESTIONS)|2 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

In root nodules of legumes , leghaemoglobin

Assertion : The nitrogen-fixing bacteria in leguminous plant nodules live as symbionts. Reason : Leg-haemoglobin synthesized by leguminous plants protect bacteria

Assertion : Nitrogen fixing enzyme in legume root nodules function at low oxygen concentration. Reason : Low oxygen concentration is provided by leghaemoglobin.

Bacteria found in root nodules of legumes are

What is the name of nitrogen fixing bacterium found in the root nodules of legumes ?

The symbiotic nitrogen fixing bacteria present in root nodules of legumes belong to genus

Releation between bacteria and legume having nodulated roots is that of

Assertion : Nitrogenase enzyme gets inactivated in presence of oxygen yet N_(2) fixation occurs in aerobic cells of legume nodules. Reason : Laghaemoglobin allows presence of oxygen just sufficient for cellular respiration only.

The N_(2) -fixing bacterium associated with root nodules of legumes is known as