WorksheetsHOMEOSTASIS
Total questions: 23
Worksheet time: 12mins
Which body system controls the body to maintain homeostasis?
excretory
nervous
circulatory
skeletal
Shivering in the cold produces heat in the body.
True
False
Homeostasis does not occur in plants
True
False
Examples of organs involved in the regulation of body temperature are.....
skin, brain and kidneys
skin, brain and liver
skin, brain and skeletal muscles
skin, brain and lung
During the day, stoma __________to enable more water to be evaporated from the leaves through transpiration.
opens
closes
What is the process by which plants lose water?
Evaporation
Transpiration
Regulation
Absorption
When the temperature is too high, why the stoma closes?
To reduce water evaporated from the leaves through transpiration.
To increase water evaporated from the leaves through transpiration.
Which response is not due to homeostasis?
enlargement of iris
increase in glucose production when blood glucose level is low
increase in permeability of collecting duct of kidney tubules
shivering in cold weather
Animal that lick the body fur to cool the body when it is hot.
Dog
Cat
Duck
Dogs mechanism to reduce body heat
hang the tongue out
lick the fur
bathing in a puddle
Mechanism by animals with fur to maintain body heat during cold season
Fur stands and erect
Hibernating
Shivering and moving actively
lick their fur
Lizards do the following to maintain body temperature during winter
Muscles function slowly
Do not moving a lot
Move faster
Reduce the rate of metabolism
(a) refers to the maintenance of the internal environment in the body of an organism.
What is the process carried out by the plant in the diagram?
(a)
Mechanism to reduce the amount of water in human's body
Urination
Sweating
Feeling thirsty
Shivering
Corrective mechanism when a healthy human stays in high temperature environment.
Blood vessels dilate
Body hair lie flat
Decrease in sweat
Less urination
Corrective mechanism when a healthy human stays in low temperature environment.
Blood vessels constrict
Body hair erect
Decrease in sweat
Skeletal muscles will contract and relax actively
(a) control the opening and closing of stoma in a leaf.
Name part labeled X
(a)
Name part labeled Y
(a)
Stoma open
Stoma close
Guard cells control the (a) of the stoma
