Long Distance Transport of Water
Long Distance Transport of Water: Overview
This topic covers concepts, such as, Transpiration Pull,Root Pressure Theory,Apoplast etc.
Important Questions on Long Distance Transport of Water
Which of the following helps in ascent of sap?
Match List I with List II:
|
List I |
List II |
| A. Cohesion | I. More attraction in liquid phase |
| B. Adhesion | II. Mutual attraction among water molecules |
| C. Surface tension | III. Water loss in liquid phase |
| D. Guttation | IV. Attraction towards polar surfaces |
Choose the correct answer from the options given below:
Identify the incorrect statement regarding transport in plants :
Which of the following is not observed during the apoplastic pathway?
Surface tension is due to
Water absorption takes place through
The most widely accepted theory for ascent of sap is _____.
In soil, water available for absorption by root is _____.
The principal pathway of water translocation in angiosperms is
Column – I and Column – II are indicated below. Select the option with correct match.
| Column – I | Column – II | ||
| A | Symplast | 1 | Transpiration pull. |
| B | Guttation | 2 | Root pressure. |
| C | Control points | 3 | Active transport. |
| D | Pumps | 4 | Endodermis. |
| 5 | Plasmodesmata. | ||
| 6 | Root hairs. |
What is the approximate rate of ascent of sap?
Root pressure contributes to the
The effect of root pressure is visible during
Root pressure develops due to
Which of the following is true about mycorrhiza?
Where is apoplastic movement shifted to symplastic pathway?
The movement of water is correctly represented by
Cytoplasmic streaming is easily seen in
Which of the following is incorrect about symplastic pathway?
During symplastic pathway, water is moved through
