Question

A plant is kept in the dark for two days. A leaf is used in an experiment to investigate the
effect of two factors on photosynthesis as shown in the diagram.
What are the colours of Q and R , when the leaf is tested for starch, using iodine solution?
Q R
a Blue/black Brown
b Brown Brown
c Blue/black Blue/black
d Brown Blue/black

Answer 1

blue / black or brown

Explanation:

hope this helps

Answer 2

Answer:

brown blue black

Explanation:

is the answer lol hahaha