Which of the following statements is correct of hormones? Hormones are
secreted into the blood through ducts
secreted directly into the blood stream
inactive chemical substance in the blood stream
non-specific in their mode of action
secreted at the site of the needed organ
Correct answer is B
No explanation has been provided for this answer.
Coordination is achieved in the body of mammals through the action of the
endocrine and nervous systems
skeletal and nervous systems
muscular and nervous systems
circulatory and nervous systems
skeletal, muscular, and nervous system
Correct answer is A
No explanation has been provided for this answer.
The pigment in the malphigian layer responsible for skin colouration is known as
haemoglobin
haemocyanin
chlorocruorin
haemoerythrin
melanin
Correct answer is E
No explanation has been provided for this answer.
Which of the following statements on urine production is not correct?
Concentrated urine is produced under the control of antidiuretic hormone
The total volume of urine produced depends on the need for water excretion
if there is excess intake of water, dilute urine is expected
if there is a shortage of water in the body the volume of the urine produced is decreased
in the presence of antidiuretic hormone dilute urine is produced
Correct answer is E
- Antidiuretic hormone binds to receptors on cells in the collecting ducts of the kidney and promotes reabsorption of water back into circulation.
- Its most important role is to conserve the fluid volume of your body by reducing the amount of water passed out in the urine.
Deamination is the process during which
excess amino acid is broken down into ammonia and keto acid
fats and oil are converted into an emulsion for absorption
excess glucose is converted and store as glycogen in the liver
glycogen is reconverted into glucose through the action of glucagon
excess amino acid is converted into proteins
Correct answer is A
No explanation has been provided for this answer.