K.C.S.E Biology Q & A - MODEL 2015PP1QN06

K.C.S.E Biology Q & A - MODEL 2015PP1QN06

Students set up an experiment as illustrated below.

​(a) Name the physiological process that resulted in the observations made after 30 minutes.
(b) State the importance of the physiological process investigated in plants. 
(c) Explain the observations made after 30 minutes.

answers

​(a) Osmosis; 
(b) Absorption of water from the soil; opening and closing of stoma; feeding in insectivorous plants; support (in seedlings, leaves,herbaceous plants);
Movement of water from cell to cell in plants.
(c) The thistle funnel gained water by osmosis; because the sucrose solution was hypertonic;