WorksheetsHomeostasis Revision
Total questions: 20
Worksheet time: 20mins
What condition describes a lack of water in the blood?
Dehydration
Rehydration
Hydration
Concentrated
___________________________ is the loss of water through the pores on plant leaves.
respiration
stomata
transpiration
Transpiration occurs at _________
Transpiration helps plants to absorb and carry _________ and ________ to all parts of the plants
water
sugar
minerals
hormones
What is the pores on leaves through which plants lose water and exchange carbon dioxide and oxygen ?
stomata/stoma
seed
stem
root
Where does stoma/stomata located?
stem
root
leaf
flower
______________ control the opening and closing of stoma
Palisade mesophyll cells
Guard cells
Epidermal cells
Xylem
Choose the condition of the stoma during noon
How does bee maintain homeostasis during hot days?
by sweating
closing the spiracles to reduce water loss
produces fluid from its body
What is the structure shown by the arrow ?
stoma
guard cell
xylem
phloem
How does cats maintain homeostasis during increase in temperature?
produces fluid
movement become faster
lick its fur
hang its tongue
What are the systems that are involved in water regulation?
excretory system , endocrine system
respiratory system, endocrine system
circulatory system, endocrine system
digestive system
What will happen to the cells of organisms if the internal conditions are not maintained?
cells will shrink
cells will die
cells will reproduce
Which of the following organs are involved in homeostasis for water content control?
Which of the following factor stimulates the opening of stoma?
Air
Light
Food
Moisture
Which of the following activities cause an increase in heart rate?
Which of the following activities can reduce the body temperature?
climbing a mountain
drinking water
running
reading a book
