Give reasons for the following:
A plant cell when kept in a hypertonic salt solution for about 30 minutes turns flaccid.
What is the difference between ‘flaccid’ and ‘turgid’? Give one example of flaccid condition in plants.
The diagram below represents a process in plants. The setup was placed in bright sunlight. Answer the following questions:
a) Name the physiological process depicted in the diagram.
Why was oil added to the water?
b) When placed in bright sunlight for four hours, what do you observe with regard to the initial and final weight of the plant? Give a suitable reason for your answer
c) What happens to the level of water when this setup is placed in:
- Humid conditions?
- Windy conditions?
d) Mention any three adaptations found in plants to overcome the process mentioned in (i).
e) Explain the term ‘Guttation’.
MULTIPLE CHIOCE TYPE:
The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called.