Excretion Quiz
Preview:
Not enough water in our blood results in …………….. ADH being released
A. More
B. Less
Takes urine from the kidney to the bladder
A. Ureter
B. Urethra
ADH causes the collecting duct to become …………… permeable to water
A. More
B. Less
During what reaction is oxygen used and carbon dioxide produced in a leaf?
A. Respiration
B. Photosynthesis
What method of transport does glucose and inorganic ions get reabsorbed into the blood at the PCT
A. Osmosis
B. Diffusion
C. Active transport
First part of the nephron where the glomerular filtrate enters from the glomerulus
A. Glomerulus
B. PCT
C. Bowman’s capsule
D. Collecting duct
Which of the following statements about uric acid is true?
A. Uric acid is more soluble in water than urea
B. The darker material in bird droppings is mostly uric acid
C. Animals that excrete uric acid avoid the problem of dehydration associated with the excretion of urea
D. Uric acid cannot be excreted because of its toxicity
Where ADH is released from
A. Hypothalamus
B. Pituitary gland
C. Pancreas
Which of the following is a function of the excretory system?
A. detoxification
B. blood maintenance
C. elimination of undigested foods
D. maintenance of water balance
Marine animals that have body fluids with a solute concentration equal to that of the surrounding sea water are:
A. osmoregulators
B. osmoconformers
C. osmoinformers
D. hyperosmotic
Which of the following statements regarding saltwater fish is true?
A. The concentration of solutes in the internal fluids of saltwater fish is much lower than the surrounding water
B. Saltwater fish produce large amounts of diluted urine
C. Saltwater fish frequently dilute their body fluids
D. The concentration of solutes in the internal fluids of saltwater fish is higher than in the surrounding environment
The region of the brain that detect the change in concentration of the blood
A. Hypothalamus
B. Pituitary gland
C. Optic nerve
What is the advantage of excreting nitrogenous waste in the form of ammonia?
A. Ammonia is less toxic than uric acid
B. Ammonia is less soluble than uric acid
C. Ammonia excretion conserves energy
D. Ammonia does not diffuse across cell membranes
What method of transport does water get reabsorbed into the blood at the PCT
A. Osmosis
B. Diffusion
C. Active transport
Which of the following statements regarding freshwater fish is true?
A. Freshwater fish frequently drink to obtain salt ions
B. Freshwater fish do not produce urine
C. Freshwater fish use their gills to actively take up salt ions
D. Freshwater fish lose water through their gills by osmosis