Osmoregulation
Interactive Video
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Wayground Resource Sheets
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of osmosis?
The movement of solutes across a semi-permeable membrane.
The diffusion of water across a semi-permeable membrane.
The active transport of water against a concentration gradient.
The movement of water and solutes across a permeable membrane.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect on a red blood cell when it is placed in a hypertonic solution?
It swells and bursts.
It remains unchanged.
It shrivels up.
It actively pumps water out to maintain its shape.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which characteristic defines an osmoconformer?
It actively regulates its internal osmolarity to be different from its surroundings.
It maintains a constant internal osmolarity regardless of the external environment.
Its internal osmolarity matches that of its external environment.
It primarily lives in freshwater environments and excretes excess water.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do freshwater fish primarily manage their water balance?
They drink large amounts of water and excrete concentrated urine.
They absorb water through their skin and excrete dilute urine.
They actively transport ions out through their gills to retain water.
They have an internal osmolarity that is higher than the freshwater environment.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the Bowman's capsule in the nephron?
Reabsorbing salts
Filtering blood
Secreting hormones
Producing urine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As filtrate moves down the descending limb of the Loop of Henle, what happens to water?
It is actively pumped out
It remains in the tubule
It moves out by osmosis
It is reabsorbed with salt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement accurately describes the ascending limb of the Loop of Henle?
It is permeable to water and salt
It is impermeable to water but permeable to salt
It is permeable to water but impermeable to salt
It actively reabsorbs water
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