Thursday 14/05/2020
Lesson objectives
- To show that sunlight, carbon dioxide is required for photosynthesis
- To show that oxygen is evolved during photosynthesis
This lesson looks at 3 different practicals that you should know.
Questions from these 3 practicals frequently appear in SPE
So please do watch the video carefully and answer the questions that follows.
( hint: answers to questions are inside the video, so pause while watching)
How long should the pant be kept in the dark room?
Why should the plant be kept in the dark room for 3 days?
What does the alcohol do to the leaf?
Why do we wash the leaf after taking it out from the alcohol?
State the obsevation of the practical.
What is the conclusion of the practical?
How long should the plant be kept in the dark for?
What does potassium hydroxide do?
Why should the plants be kept in the sunlight for 2 hours?
What does the alcohol do to the leaf?
What does iodine test do?
What was the observation of the practical above?
What was the conclusion of the practical above?
What was the oservation of the practical above?
What is the conclusion of the practical above?