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Question
Absorption of phosphorus by higher plants is promoted by the presence of ______.
Options
Rhizobium
Pseudomonas
Azospirillum
mycorrhizae
MCQ
Fill in the Blanks
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Solution
Absorption of phosphorus by higher plants is promoted by the presence of mycorrhizae.
Explanation:
Mycorrhizae are fungal associations with plant roots that increase the absorption of phosphorus from the soil. Rhizobium fixes nitrogen, Pseudomonas causes denitrification, and Azospirillum is an associative nitrogen fixer.
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