Blood is composed of ___________.
plasma and red blood cells
plasma and formed elements
red and white blood cells
red blood cells, white blood cells and platelets
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
Minerals are absorbed into the cells by _____________.
osmosis
diffusion
active transport
a, b or c
The roots absorb water through _______________.
epidermal hairs
root hairs
root xylem
root phloem
Pulse beat is measured in _____________
nerve
artery
vein
heart
The thickening of walls of arteries is called
Arthritis
Atherosclerosis
Anaeurysm
Both a and c
The double membraned structure surrounding the heart is called _____________.
plasmalemma
pleural membrane
tonoplast
pericardium
Much of the transpiration takes place through ___________.
stomata
lenticels
cuticle
epidermis
The colour of blood in the arteries is _________
bright red
dark red
blue
black
The cells that are full of water and rigid are called ________.
support cells
flaccid
turgid
none of the above