The tiny projections on the surface of the cells of kidney.
Microvilli
Microvesicles
Microcells
Nephrones
The liquid outside the cell which has the same concentration as that of the cell.
Tissue fluid
Cytoplasm
Cell fluid
All of the above
How does paramecium feed?
By endocytosis
By exocytosis
By osmosis
By diffusion
Which of the following is/are true about Visking dialysis tubing?
a) It is made from celluloseb) It is partially permeablec) It is used in kidney dialysis machines
a
b
a & b
a, b & c
The presence of microvilli in the cells increase the rate of absorption. Why?
Surface area is increased
Temperature is altered
Thickness is less
If the vacuoles in the cell lose water for any reason, which of the following will happen?
The cells will become turgid
The cells will become flaccid
The cell will burst
The cells will become rigid
Through which of the following process does white blood cells engulf bacteria?
Exoocytosis
Phagocytosis
Osmosis
Diffusion
How are enzymes released out of the cell of glands?
Endocytosis
Exocytosis
