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Which one of the following statements is correct ?
Options
(a) Both Azotobacter and Rhizobium fix atomspheric nitrogen in root nodules of plants
(b) Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and for plant nutrition in soil
(c) At present it is not possible to grow maize without chemical fertilizers
(d) Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies
Correct Answer:
Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies
Explanation:
Extensive use of chemica fertilizers may elad to eutrophiction of nearby water bodies.
Related Questions: - Plasmids are vectors for gene cloning because they
- The lateral roots originate from
- Natural selection favours the leaf butterfly because it shows:
- Green revolution in India occurred during
- In which of the following plants amphivasal leptocentric vascular bundles
Topics: Plant Physiology
(28)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Plasmids are vectors for gene cloning because they
- The lateral roots originate from
- Natural selection favours the leaf butterfly because it shows:
- Green revolution in India occurred during
- In which of the following plants amphivasal leptocentric vascular bundles
Topics: Plant Physiology (28)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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