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Which of the following is free-living aerobic nonphotosyntheti
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Which of the following is free-living aerobic nonphotosynthetic nitrogen-fixing bacterium?

A

B

C

D

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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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All plants need nitrogen to synthesize proteins, but for this purpose they are unable to utilize atmospheric nitrogen. Nitrogen fixation is brought about by two types of bacteria which are known as nitrogen fixing bacteria. One type is symbiotic nitrogen fixers that are associated with plants, e.g., and . The other type of these bacteria are free living in the soil, e.g., and . is photosynthetic and is non-photosynthetic. So that, the free living aerobic non-photosynthetic nitrogen fixing bacterium is .
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Practice questions from 33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

Question 1
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Which one of the following is not an essential mineral element for plants while the remaining three are?
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Topic

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Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Question 2
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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Question 3
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Sulphur is an important nutrient for optimum growth and productivity in
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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Mineral Nutrition

Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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The diagram represents a mechanism of symbiotic -fixation. Here A and B stands for :
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Question 2
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Question Text
Which of the following is free-living aerobic nonphotosynthetic nitrogen-fixing bacterium?
TopicMineral Nutrition
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes105