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WorksheetsChapter 3:Cordination and Response(3.1 Homeotasis in living things)
Total questions: 20
Worksheet time: 15mins
Which of the following helps in the regulation of body temperature?
Brain
Stomach
Lung
Liver
What body system is involved in the correction mechanisms experienced by Suzana when her body release more sweat?
Digestive system
Excretoty system
Blood cilculatory system
Respirotary system
Homeotasis refers to the maintenanse of the internal environment in the body of organisms
(True or false)
true
false
What are the corrective mechanisms when our body temperature rises up?
(Choose more than one answer)
Blood vessels dilate
Blood vessels constrict
Inscrease sweating
Decrease sweating
During a hot day,our bodie produce more sweat so we have ........................... urine.
low
less
decrease
Average normal human body temperature is ? °C
(a)
Besides humans, what else will do homeostasis?
(choose more than one answer)
animals
animals
plants
moon
The diagram shows an elephant.
How does an elephant reduce its body temperature?
soaking in the river
eating sugarcane
put sand around his body
flapping its ears
process of water loss in plants known as ......
guttation
exudation
transpiration
Cell that control the stoma opening is
(a)
Why does a stoma close during a hot sunny day?
enable more water evaporated
reduce more water loss
reduce the light intensity
enable photosynthesis happen
Homeotasis include ....
Temperature
Air
Ph
Water
Blood pressure
How do reptiles maintain homeostasis when the surrounding is cold?
Movement become slower
Metabolism rate increases
Body activities becomes faster
Homeostasis is....
allows for a wildly fluctuating internal environment
impossible in vertebrates
i the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
i the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
The group of organisms that use the process of homeostasis includes
mammals only
plants and animals
animals only
all living things
The tendency of an organism to maintain a balanced state in order to stay healthy.
Stimuli
Response
Tropism
Homeotasis
Which of the following is NOT an example of homeostasis?
A human producing gametes
A bird drinking water when thirsty
A plant bending toward sunlight
A dog stealing chicken off the kitchen counter when hungry
Which of the following animals has a body temperature that doesn't change depending on the weather outside?
When a human being is cold, the blood vessels
dilate and the sweat glands are inactive.
constrict and the sweat glands are inactive.
dilate and the sweat glands are active.
constrict and the sweat glands are active.
Which of the following statement is the best to explain the need for homeotasis to the organism?
Avoid sudden death
Maintain constant body temperature
Ensure that all enzymes involved chemical reaction work well
Provide optimum internal environment for efficient metabolism activities
