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One of the free-living, anaerobic nitrogen – fixer is:
Options
(a) Beijiernickia
(b) Rhodospirillum
(c) Rhizobium
(d) Azotobacter
Correct Answer:
Rhodospirillum
Explanation:
Rhodospirillum is a free-living, anaerobic nitrogen fixer bacteria. It can synthesize its food in presence of light under anaerobic condition.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Plant Physiology
(28)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The annular and spirally thickened conducting elements generally develop in the protoxylem
- The arrangement of megaspores in a tetrad in an angiosperm is
- Enzymes, which help in electron transfer are
- Which among the following is the principal cation in the human blood?
- The ovary after fertilization is converted into
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant Physiology (28)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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