Font size
WorksheetsIGCSE coordinated Biology Homeostasis
Total questions: 14
Worksheet time: 7mins
Which hormone is known as the fight or flight hormone?
Adrenaline
Glucagon
Insulin
Glycogen
The hormone auxin has what effect on plant cells in the shoot tips of plants?
Makes them grow longer
Prevents them from growing
Makes them move to the dark side
Negative phototropism
A hormone is a chemical substance produced by ...
A gland
The liver
A target organ
The blood
Hormones are eventually removed from the blood and destroyed by which organ?
Kidneys
Liver
Brain
White blood cells
Which of the following are effects of adrenaline on the body?
Increasing breathing rate
Decreasing pulse rate
Causing radial muscles in the iris to contract
Causing circular muscles in the iris to contract
Causes blood glucose levels to increase
What are the effects of insulin and glucagon on the concentration of blood glucose?
A
B
C
D
When the blood glucose concentration is low, which organ releases which hormone?
A
B
C
D
In these experiments what responses have the shoots shown?
Positive phototropism and positive gravitropism
Negative phototropism and positive gravitropism
Positive phototropism and negative gravitropism
Negative phototropism and negative gravitropism
The diagram shows a person sweating in hot weather. What part is played by the sweat glands during the process of sweating?
Effector
Receptor
Sense Organ
Stimulus
The graph shows the change in blood glucose levels of a pupil at a school on a normal day. What could explain the dip in blood sugar after he left school?
He ran home
He got into a fight
He did not produce enough insulin
He produced too much glucagon
Which letter represents a part that may undergo vasodilation?
C
D
E
F
Which part of a plant produces the auxin that allows a plant to respond to light and gravity?
Shoot tip
Root tip
Stem
Leaf
Tubers
How do liver cells respond to increased insulin levels in the blood?
They absorb glucose and convert it to glycogen
They absorb glucose and convert it to glucagon
They break down glucagon and release the glucose into the blood
They break down glycogen and release the glucose into the blood
They release glucagon into the blood
Which of these would allow you to increase your body temperature if it went below 37oC?
Sweating
Vasoconstriction
Vasodilation
Shivering
Increase in metabolism (respiration)
