9700/13 Biology May Jun 2018 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2018
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Neda Bani Athletes often move from low altitude to high altitude to train for a race.
Which statements about the effect of training at high altitude are correct?
1 Higher concentrations of carbon dioxide stimulate greater oxygen dissociation.
2 Lower concentrations of oxygen stimulate the uptake of more oxygen by red blood cells.
3 Lower partial pressures of oxygen stimulate higher production of red blood cells.
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