Page 63 - Teknik Menjawab Soalan PSPM Biologi

Topic 7: Gaseous Make sure to use the accurate terms in

Exchange and your explanation

Its Control Guard cell (not stomata)

e.g. Water potential in the guard cell decrease

Water potential in the stomata decrease

Glucose (not sugar)

Explain regulation of the stomatal opening
and closing based on starch-sugar hypothesis e.g. Phosphorylase catalyse the conversion of glucose to starch

Phosphorylase catalyse the conversion of sugar to starch

Describe the movement of water precisely

e.g. Water diffuse out by osmosis from guard cell into subsidiary cell

Water diffuse out