Water potential of pure water is__________?

Related Mcqs:

1. The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

   A. Deffusion
   B. Osmosis
   C. Active transport
   D. None of these

2. ___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?

   A. Osmotic
   B. Pressure
   C. Both of these
   D. None of these

3. In plants, water potential is determined by major factors?

   A. Three
   B. Four
   C. Two
   D. Five

4. The pressure generated when water enters & inflates plant cells is called ___________ potential?

   A. Water
   B. Osmotic
   C. Pressure
   D. Solute

5. Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

   A. Increases.
   B. Lowers.
   C. Doesn’t effect.
   D. Maintains.

6. Shrinkage of protoplast due to exosmosis of water is__________?

   A. imbibition
   B. plasmolysis
   C. deplasmolysis
   D. adhesion

   Submitted by: Maryam Aftab

7. __________ is example of pure form of cellulose?

   A. Silk
   B. Wool
   C. Cotton
   D. Paper

8. Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture_____________?

   A. Robert Koch
   B. Louis Pasteur
   C. Alexander Fleming
   D. Leeuwenhoek

9. Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?

   A. Active
   B. Passive
   C. Diffusional
   D. None of these.

10. Value of resting membrane potential is_____________?

    A. 0.03 V
    B. 0.05 V
    C. 0.07 V
    D. 0.09V