| ⇦ | 
| ⇨ |
Which two of the following changes (a-d) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more)?
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increased breathing rate
(iv) Increase in thrombocyte count
Changes occurring are:
Options
(a) (ii) and (iii)
(b) (iii) and (iv)
(c) (i) and (iv)
(d) (i) and (ii)
Correct Answer:
(ii) and (iii)
Explanation:
At high altitude, the body undergoes numerous changes in order to increase oxygen delivery to cells and improve the efficiency of oxygen usage. The early changes include increased breathing rate and increased red blood cell production.
Related Questions: - Vermicompost is biofertilizer rich in
- An association between two individuals or populations where both are benefitted
- The second commitment period for Kyoto Protocol was decided at
- PEP is the CO receptor in which plants
- Which one of these animals is not a homeotherm
Topics: Human Physiology Systems
(35)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Vermicompost is biofertilizer rich in
- An association between two individuals or populations where both are benefitted
- The second commitment period for Kyoto Protocol was decided at
- PEP is the CO receptor in which plants
- Which one of these animals is not a homeotherm
Topics: Human Physiology Systems (35)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply