Question

Which one explains ascent of sap ?
(a) Cohesion tension theory of Dixon & Jolly
(b) Starch-sugar inter-conversion
(c) Photosynthesis
(d) None

Answer 1

Answer:

b is the correct answer

Answer 2

The theory which explains accent of SAP is the Cohesion theory of dixon and Jolly

Option (a)

Explanation:

• The Cohesion theory is given by dictionary. It explains why SAP moves against gravity through the xylem of the plant.
• however the main factor which helps in the accident of the SAP is a negative pressure which created due to constant transportation and hence pulling of the water due to the negative pressure.
• Also the Cohesion theory means that the molecule of the SAP gets attached to each other and due to the capillary pressure method the water moves upward.

To know more about Cohesion theory of dixon and Jolly,

A short note on the dixon and Jolly therium. Brainly.in

https://brainly.in/question/4563298