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People who have migrated from the planes to an area adjoining Rohtang Pass about six months back
- a)Suffer from altitude sickness with symptoms like nausea, fatigue, etc
- b)Have the usual RBC count but their haemoglobin has very high binding affinity to O2
- c)Have more RBCs and their haemoglobin has a lower binding affinity to O2
- d)Are not physically fit to play games like football
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
People who have migrated from the planes to an area adjoining Rohtang ...
Here, it is given that migration was taken place six months ago due to which body get acclimatised and there is no altitude sickness. At high altitude, there is low atmospheric pressure due to which body does not get enough oxygen and for compensating it, there is increase in RBC and decrease in binding affinity of hemoglobin. Taking care of all these points, most appropriate option is C.
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People who have migrated from the planes to an area adjoining Rohtang ...
Explanation:
Altitude Sickness:
When people migrate from the plains to high-altitude areas like the area adjoining Rohtang Pass, they may experience altitude sickness. This is due to the decrease in oxygen levels at higher altitudes. Symptoms of altitude sickness can include nausea, fatigue, shortness of breath, headache, and dizziness. However, altitude sickness is not directly related to the specific symptoms mentioned in option 'A'.
RBC Count and Hemoglobin Affinity to Oxygen:
The number of red blood cells (RBCs) and the affinity of hemoglobin to oxygen play a crucial role in adapting to high-altitude environments. Option 'B' states that the migrated individuals have the usual RBC count but their hemoglobin has a very high binding affinity to oxygen. This is not a characteristic of individuals adapting to high altitudes.
Increased RBCs and Low Hemoglobin Affinity to Oxygen:
Option 'C' states that the migrated individuals have more RBCs and their hemoglobin has a lower binding affinity to oxygen. This is the correct answer. When people migrate to high-altitude areas, their bodies undergo physiological adaptations to cope with the lower oxygen levels. One of these adaptations is an increase in the number of red blood cells. This increase in RBC count helps in carrying more oxygen to the body's tissues.
Additionally, individuals adapting to high altitudes also experience a decrease in the affinity of hemoglobin to oxygen. This means that hemoglobin releases oxygen more readily to the tissues, allowing for efficient oxygen delivery despite the lower oxygen availability at higher altitudes.
Physical Fitness:
Option 'D' suggests that the migrated individuals are not physically fit to play games like football. However, the given information does not provide any direct evidence or explanation for their physical fitness level. Therefore, physical fitness is not directly related to the migration to high-altitude areas.
In summary, individuals who have migrated from the plains to an area adjoining Rohtang Pass about six months back have more RBCs and their hemoglobin has a lower binding affinity to oxygen, allowing for efficient oxygen delivery in high-altitude environments.
Altitude Sickness:
When people migrate from the plains to high-altitude areas like the area adjoining Rohtang Pass, they may experience altitude sickness. This is due to the decrease in oxygen levels at higher altitudes. Symptoms of altitude sickness can include nausea, fatigue, shortness of breath, headache, and dizziness. However, altitude sickness is not directly related to the specific symptoms mentioned in option 'A'.
RBC Count and Hemoglobin Affinity to Oxygen:
The number of red blood cells (RBCs) and the affinity of hemoglobin to oxygen play a crucial role in adapting to high-altitude environments. Option 'B' states that the migrated individuals have the usual RBC count but their hemoglobin has a very high binding affinity to oxygen. This is not a characteristic of individuals adapting to high altitudes.
Increased RBCs and Low Hemoglobin Affinity to Oxygen:
Option 'C' states that the migrated individuals have more RBCs and their hemoglobin has a lower binding affinity to oxygen. This is the correct answer. When people migrate to high-altitude areas, their bodies undergo physiological adaptations to cope with the lower oxygen levels. One of these adaptations is an increase in the number of red blood cells. This increase in RBC count helps in carrying more oxygen to the body's tissues.
Additionally, individuals adapting to high altitudes also experience a decrease in the affinity of hemoglobin to oxygen. This means that hemoglobin releases oxygen more readily to the tissues, allowing for efficient oxygen delivery despite the lower oxygen availability at higher altitudes.
Physical Fitness:
Option 'D' suggests that the migrated individuals are not physically fit to play games like football. However, the given information does not provide any direct evidence or explanation for their physical fitness level. Therefore, physical fitness is not directly related to the migration to high-altitude areas.
In summary, individuals who have migrated from the plains to an area adjoining Rohtang Pass about six months back have more RBCs and their hemoglobin has a lower binding affinity to oxygen, allowing for efficient oxygen delivery in high-altitude environments.
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People who have migrated from the planes to an area adjoining Rohtang Pass about six months backa)Suffer from altitude sickness with symptoms like nausea, fatigue, etcb)Have the usual RBC count but their haemoglobin has very high binding affinity to O2c)Have more RBCs and their haemoglobin has a lower binding affinity to O2d)Are not physically fit to play games like footballCorrect answer is option 'C'. Can you explain this answer?
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People who have migrated from the planes to an area adjoining Rohtang Pass about six months backa)Suffer from altitude sickness with symptoms like nausea, fatigue, etcb)Have the usual RBC count but their haemoglobin has very high binding affinity to O2c)Have more RBCs and their haemoglobin has a lower binding affinity to O2d)Are not physically fit to play games like footballCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about People who have migrated from the planes to an area adjoining Rohtang Pass about six months backa)Suffer from altitude sickness with symptoms like nausea, fatigue, etcb)Have the usual RBC count but their haemoglobin has very high binding affinity to O2c)Have more RBCs and their haemoglobin has a lower binding affinity to O2d)Are not physically fit to play games like footballCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for People who have migrated from the planes to an area adjoining Rohtang Pass about six months backa)Suffer from altitude sickness with symptoms like nausea, fatigue, etcb)Have the usual RBC count but their haemoglobin has very high binding affinity to O2c)Have more RBCs and their haemoglobin has a lower binding affinity to O2d)Are not physically fit to play games like footballCorrect answer is option 'C'. Can you explain this answer?.
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