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WorksheetsHuman endocrine system Topic test
Total questions: 18
Worksheet time: 36mins
Which ONE of the following hormones controls metabolic rate?
Testosterone
Thyroxin
Growth hormone
Insulin
An investigation was carried out to determine the effect of growth hormone on children with a particular disorder that causes their height to be below the average height expected for their age and sex.
The following procedure was followed:
• 740 children with the disorder were included in the investigation.
• Their initial heights were measured.
• They were divided into two groups (A and B).
• Group A was given a growth hormone injection every day for 3 years.
• Group B did not receive the treatment.
The height of each child in each group was then measured.
The following is a list of variables in the investigation:
(i) Children of the same age and sex with the same disorder
(ii) The nutrition given to the children
(iii) The type of growth hormone used
(iv) The height of the children at the end of the investigation
Which ONE of the following combinations are factors that should have been kept constant during this investigation?
(i), (ii), (iii) and (iv)
Only (i), (ii) and (iii)
Only (i), (iii) and (iv)
Only (ii), (iii) and (iv)
An extract from a gland of an adult monkey was injected into the bloodstream of a young monkey. It caused the young monkey to grow abnormally tall. From which gland was the extract obtained?
Hypothalamus
Adrenal gland
Hypophysis/Pituitary gland
Pancreas
The following are effects of the secretion of different hormones.
1. An increase in the blood glucose level
2. An increase in the heart rate
3. An increase in the amount of digestive enzymes
4. An increase in blood flow to the skeletal muscles
Which one of the following combinations of the above effects is due to adrenalin?
1, 3 and 4
2, 3 and 4
1, 2 and 4
1, 2, 3 and 4
The level of thyroxin in the body is controlled by the ...
hypothalamus and the pituitary.
thyroid and the hypothalamus
thyroid and the adrenal gland.
pituitary and the thyroid gland
Provide the correct biological term for each of the following description. A hormone that stimulates the mammary glands to produce milk
(a)
Provide the correct biological term for each of the following description. Organic chemical messengers secreted directly into the blood by an endocrine gland.
(a)
Provide the correct biological term for each of the following description. Ductless glands secreting hormones directly into bloodstream.
(a)
Provide the correct biological term for each of the following description. The hormone that regulates the amount of salt in the blood.
(a)
Provide the correct biological term for each of the following description. Secrete substances into ducts that lead into cavities in the body or lead directly to the external environment
(a)
Name the gland that secretes glucagon
(a)
Identify the independent variable in the investigation
Adrenalin
Type of food given
Levels of activity
Body mass of patients
Give a reason for the use of 100 patients in the investigation instead of only 10 patients
(a)
Identify Organ A
(a)
Identify Hormone 2
(a)
Identify Organ B
(a)
Name the disease that may develop from an under-secretion of hormone 1
(a)
How do hormones 1 and 2 travel to target organ A?
(a)
