9700/11 Biology Oct Nov 2009 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2009
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 A student carried out the Benedict’s test on two different types of milk, X and Y.
A sample of each type of milk was heated to ${100^ \circ }C$ in a water-bath with Benedict’s solution and the time taken for the first appearance of a colour change was recorded.
The results are shown in the table.
Which row shows the biological molecule the student detected in each sample of milk and the sample of milk with the highest concentration…
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