Question

17. The diagram below shows an experiment carried out to investigate photosynthesis in a
potted plant which has been kept in the dark for 48 hours.
black tape
green
yellow
sodium hydroxide
pellets
The setup was left in the sunshine for 6 hours. The leaf was tested for starch using
iodine solution at the end of the experiment.
What would be the colours of the regions of the leaf marked , Mand N? (3mks)​

Answer 1

Blue or black am not sure