9700/12 Biology Oct Nov 2018 Online Test | Cambridge AS and A Level MCQ
CIE
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
Gama Admin The diagram shows the results of an experiment on transpiration using two different leaves. Each leaf was left on a balance in daylight in a closed room and its mass recorded at 1 hour intervals.
Which conclusions could be correct?
1) The loss of mass is mainly due to evaporation of water.
2) Most stomata close in both leaves after 1 hour.
3) Leaf 1 has a larger surface area than leaf 2.
4) Leaf 1 has a thicker…
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