5090/12 Biology Oct Nov 2020 Quiz | Cambridge O-Level MCQ
Cambridge
O-Level
Biology (5090)
دی
2020
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
A dilute starch solution turns blue when very dilute iodine solution is added. This colour disappears as the starch is broken down by amylase.
The graph shows the disappearance of the blue colour at different temperatures.
Which statement explains the shape of the curve?