Q.
Choose the incorrect statement.
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a
Minerals are present in the soil as charged particles (ions).
b
Unloading of mineral ions occurring at vein endings is strictly through diffusion.
c
Girdling experiment was used to identify the tissues involved in long distance transport of food materials.
d
Active uptake of ions is partly responsible for the water potential gradient in roots.
answer is B.
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Detailed Solution
Unloading of mineral ions occurs at the fine vein endings through diffusion and active uptake by living cells.
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