Marshall and Wardlaw proposed the theory of

Who studied the effect of light on translocation?

When a plant stem is cut using a suitable method,a few drops of fluid are obtained. Which of the following tests,when performed on this fluid,confirms that it is phloem sap?

Sucrose moves into sieve tube elements by

Select the incorrect statement.

Starch is insoluble in water,yet it is accumulated in large quantities in potato because: