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
Whooping cough is a highly infectious disease of the gas exchange system, caused by the bacterium Bordetella pertussis.
Which method provides protection to infants against whooping cough and reduces the chance of developing this disease later in life?