NEET 2010 Biology question
Which two of the following changes (a-d) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more) (a) Increase in red blood cell size (b) Increase in red blood cell production (c) Increased breathing rate (d) Increase in the thrombocyte count Changes occurring are
Answer: (4)
Solution
At high altitude the partial pressure of oxygen is low, which causes altitude sickness. The body adapts by increasing erythropoietin secretion, hence increased red blood cell production (b), by increasing the breathing rate (c)
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account