Question
Biology Question on Structural Organisation of Animals and plants
A human RBC is placed in 1.5% salt solution. It will
A
swell up
B
shrink
C
remain unaffected
D
burst
Answer
shrink
Explanation
Solution
For human RBC, 0.9% salt solution is isotonic. Hence a medium of 1.5 % salt solution would be hypertonic i.e. more concentrated. Hence, the RBC will shrink due to exosmosis.