9700/13 Biology Oct Nov 2018 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
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 Two people, G and H, were each given an injection to protect them against a particular pathogen.
One person was injected with antibodies. The other person was injected with a vaccine.
The graph shows the concentrations of the antibody against this pathogen in the blood of the two people, G and H, over a period of 20 days following the injection.
Which row correctly describes the type of immunity shown by G and H?
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...