Paper 1, Oct Nov 2006 | Cambridge AS - A Level Biology (9700) Past Papers
Cambridge
AS & A Level
Biology (9700)
بهمن
2006
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
The photomicrograph shows a transverse section through a leaf.
1 sunken stomata
2 two layers of epithelium
3 thick cuticle
4 small surface area to volume
Which features of a xerophytic leaf are visible in this section?