Phloem Transport: Flow from Source to Sink

Which one of the following is a protein deficiency disease?

According to the pressure flow hypothesis, loading of the phloem sets up a

In a girdled plant, the position of the bark above the ring on the stem becomes swollen because of

Which phenomenon causes the movement of water from the adjacent xylem into the phloem?

A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicates that it is phloem sap?

In a ring girdled plant

Removal of a ring of bark from the trunk of a tree eventually kills it because

Ringing or girdling experiment was first performed by

The translocation in phloem is explained by the

The form of sugar transported through phloem is

Ringing/girdling experiments demonstrate:

Read the given statements and select the correct option.
Statement $1$ : Xylem transport is unidirectional.
Statement $2$ : Phloem transport is bi-directional.

Phloem helps in translocation of

Munch hypothesis is based on:

Identify the process taking place in this experiment.

Assertion : The movement of photosynthates is unidirectional.

Reason : Movement of photosynthates occurs with the water.

Sinks are related to

“Cytoplasmic streaming hypothesis” is concerned with

When a plant is girdled

Aphid stylate sap analysis can be used to know