The diffusion of ions along with water also takes place by mass flow system along the ________ path?

Related Mcqs:

1. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

   A. Diffusion
   B. Passive transport
   C. Osmosis
   D. Active transport

2. Cell membrane under resting conditions is impermeable to all the ions except_____________?

   A. Na+
   B. K+
   C. Cl-
   D. PO4-2

3. Which of the following ions are involved in the initiation of nerve impulse_______________?

   A. Na+
   B. K+
   C. Fe
   D. none of these

4. Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

   A. Hydathods
   B. Stomata
   C. Lenticels
   D. None of these

5. Ingestion of some water with food in Amoeba takes place by the process of ______ ?

   A. Endosmosis
   B. Pinocytosis
   C. Phagocytosis
   D. None of these

   Submitted by: Rashid Mehmood

6. 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

7. Path of Blood present in vessels called __________?

   A. Capillaries
   B. Lumen
   C. Platelates
   D. Plasma

   Submitted by: Imtiaz Ali Noonari

8. Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate

   A. 80.50%
   B. 90.50%
   C. 95.50%
   D. 99.50%

9. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?

   A. Concentration of water molecules inside and outside the cell
   B. Concentration of enzymes on either side of the cell membrane
   C. Rate of molecular motion on either side of the cell membrane
   D. None of these

10. Glycolysis takes place in____________?

    A. Nucleus
    B. Cytosol
    C. Mitochondria.
    D. Ribosomes