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All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia
Options
(a) can induce root nodules on many plant species
(b) can fix nitrogen in the free living state
(c) like Rhizobium, it usually infects its host plant through root hair deformation ans stimulates cell proliferation in the host’s cortex
(d) forms specialised vesicles, in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
Correct Answer:
can fix nitrogen in the free living state
Explanation:
Nitrogen fixation is the process whereby atmospheric nitrogen is converted to ammonia with the aid of an enzyme called nitrogenase, and the reaction can be described by the following equation: Frankia will fix nitrogen in both the free‐living and the symbiotic state
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Topics: Diversity In Living World
(339)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A man whose father was colour blind marries a woman who had a colour blind
- Palisade parenchyma is absent in leaves of:
- What is the number of chromosomes in aleurone layer if 10 numebr of chromosomes
- The one aspect which is not a salient feature of genetic code, is its being:
- Increase in concentration of the toxicant at successive trophic levels is known as :
Topics: Diversity In Living World (339)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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