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

Related Mcqs:

1. A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

   A. Transpiration pull
   B. Root pressure
   C. Osmotic pressure.
   D. None of these

2. _________________ cells of phloem are directly involved in transport of organic solutes?

   A. Parenchyma
   B. Companion cell
   C. Tracheid
   D. Sieve element

3. 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

4. The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?

   A. Homeostasis
   B. Hemostasis
   C. Osmoregualtion
   D. Thermoregulation

5. Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?

   A. Transpiration pull
   B. Root pressure
   C. Ascent of sap.
   D. All of these

6. ___________ 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

7. Xylem and phloem are conducting tissues found in ……….?

   A. animals
   B. plants
   C. micro orgamnisms
   D. all the above

   Submitted by: Muhammad Nawaz

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

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

9. Water potential of pure water is__________?

   A. zero
   B. one
   C. negative
   D. two

   Submitted by: Maryam Aftab

10. Malphighian tubules absorb waste materials and salts from__________?

    A. Blood
    B. Lymph
    C. Gut
    D. Hemolymph