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JAMB Biology 2021 Paper
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© africaexams.com
Question : 10
Total: 40
In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?
prevent algal growth in culture solution
allow root growth
prevent breakdown of mineral elements
prevents photosynthesis in the root
Validate
Solution:
Always use a completely opaque water storage tank - Algae uses photosynthesis to reproduce
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