Trusted by millions of Kenyans
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Four cylinders of potato were carefully dried on blotting paper and weighed. Each piece weighed 3g. One was placed in each as shown in the...

Four cylinders of potato were carefully dried on blotting paper and weighed. Each piece weighed 3g. One was placed in each as shown in the drawing below.
pic17920191225.png
a) After 48hours, which potato would be the heaviest
b) Name the substance whose movement was responsible for the weight changes in potato cylinders.
c) Name the process which was responsible for this movement in tubes B, C and D.

Answers


sharon
a) - potato in cylinder B
Distilled water was the most hypotonic to the sap of potato cylinder, the cell drew in water by osmosis , increased in size the cytoplasm and became turgid hence resulted to increase in weight.
b) Water
c) Osmosis
sharon kalunda answered the question on September 17, 2019 at 09:28

Answer Attachments

Exams With Marking Schemes

Related Questions