9700/12 Biology Feb Mar 2019 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
خرداد
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
Some symptoms of chronic obstructive pulmonary disease (COPD) are listed.
1) bursting of alveoli
2) loss of elastic fibres
3) increase in secretion of mucus
4) reduction in surface area for gaseous exchange
5) narrowing of airways
Which of these are also the symptoms of emphysema?