Which of the following has the highest water potential?
Pure water
Acidic water
Alkaline water
All of the above
If the vacuoles of a cell is filled with water, which of the following will happen?
The cells will become turgid
The cells will become flaccid
The cell will shrink
The plant will wilt
Which of the following is a measure of whether a solution is likely to lose or gain water molecules from another solution?
Water potential
Solution potential
Transportation potential
Diffusion gradient
The tiny projections on the surface of the cells of kidney.
Microvilli
Microvesicles
Microcells
Nephrones
If the vacuoles in the cell lose water for any reason, which of the following will happen?
The cell will burst
The cells will become rigid
Which substance moves out of respiring cells?
Oxygen
Carbon dioxide
Glucose
Nitrogen
How do the cells lining the small intestine take up glucose?
By active transport
By transpiration
By respiration
By endocytosis
The liquid outside the cell which has the same concentration as that of the cell.
Tissue fluid
Cytoplasm
Cell fluid
Which of the following favors osmosis?
Temperature
Light
Gravity
Which change would NOT speed up diffusion in an animal cell?
Make the cell membrane thinner
Make the cell rounder
Make the cell membrane thicker
Presence of an enzyme