CAPE Biology Unit 2 · 2014 · Paper 2 · Question 5(a)(ii)

Apple growers in Japan sometimes make a non-lethal spiral slash around the bark of trees destined for removal after the growing season. This practice makes the apples sweeter. With reference to the mass flow principle, explain the biological basis of this practice for making the apples sweeter. [Note: details of mass flow hypothesis are NOT required.]