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Uptake of Mineral Ions

Translocation...

Question

Translocation of photosynthetic end products in sieve tubes is

A

3 - 5 mm / hour

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B

3 - 5 cm / hour

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C

1 - 15 cm / hour

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D

50 - 100 cm / hour

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Solution

The correct option is C 50 - 100 cm / hour
Translocation of prepared food occurs through phloem. Bicollateral vascular bundles can transport much more amount of sugars, than collateral vascular bundles having only a single patch of phloem. Maximum average rate of translocation of sugars is 100 cm per hour or 1 meter per hour.

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