9700/13 Biology Oct Nov 2019 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2019
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
Chronic obstructive pulmonary disease (COPD) includes emphysema.
Which effects does emphysema have on gaseous exchange?
1 surface area to volume ratio of lungs decreases
2 distance of the diffusion pathway decreases
3 volume of oxygen diffused per unit time decreases