Match List - I with List-II.
List-I | List-II |
a. Cohesion b. Adhesion c. Surface tension d. Guttation |
i. More attraction in the liquid phase ii. Mutual attraction among water molecules iii. Water loss in liquid phase iv. Attraction toward polar surfaces |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | iii | i | iv | ii |
2. | ii | i | iv | iii |
3. | ii | iv | i | iii |
4. | iv | iii | ii | i |
Select the incorrect statement.
1. | Transport of molecules in phloem can be bidirectional. |
2. | The movement of minerals in the xylem is unidirectional. |
3. | Unloading of sucrose at the sink does not involve the utilization of ATP. |
4. | Elements most easily mobilized in plants from one region to another are phosphorus, sulfur, nitrogen, and potassium. |
1. | involves crossing the cell membrane multiple times |
2. | is through mass flow |
3. | accounts for a very small fraction of water flow in roots |
4. | is relatively much slower than the symplastic flow |