The cells that are full of water and rigid are called ________.
support cells
flaccid
turgid
none of the above
The thickening of walls of arteries is called
Arthritis
Atherosclerosis
Anaeurysm
Both a and c
Blood fails to clot in the absence of __________.
magnesium
calcium
sulphur
potassium
Pulse beat is measured in _____________
nerve
artery
vein
heart
Transpiration takes place from ________________.
all parts of the plant
roots
only the aerial parts
stem
The liquid portion of the blood is called _______
water
plasma
serum
sap
The colour of blood in the arteries is _________
bright red
dark red
blue
black
Stomata open and close due to _____________.
presence of valves
hormonal control
turgor pressure of guard cells
concentration gradient of the gases
The normal blood pressure in man is ___________
80/120 mm Hg
120/80 mm Hg
120/100 mm Hg
100/80 mm Hg
The right side of the heart deals with ___________.
oxygenated blood
deoxygenated blood
mixture of oxygenated and deoxygenated blood
either a or b at a time