9700/12 Biology May Jun 2013 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
شهریور
2013
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
Which of these statements could describe the effect of carbon monoxide in cigarette smoke?
1) It binds irreversibly to haemoglobin.
2) It causes mucus to accumulate in the bronchioles.
3) It results in more carbon dioxide being transported in the blood.
4) It temporarily increases the heart rate.