9700/13 Biology May Jun 2017 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2017
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 tests for biological molecules on the same sample of milk.
The tests and their results were as follows.
● Heating to ${80^ \circ }C$ with Benedict’s solution gave a red colour.
● Boiling with acid, followed by neutralisation, then heating to ${80^ \circ }C$ with Benedict’s solution also gave a red colour.
● Adding Biuret solution gave a purple colour.
● Adding iodine solution gave…
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