Plants make their own food using photosynthesis. Carbon dioxide, water and light are required for photosynthesis to occur. The reaction can be limited by a lack of these or by temperature.
What is the light-harnessing green pigment found in the chloroplasts called?
Which gas is a reactant in photosynthesis?
Which of these is NOT a limiting factor of photosynthesis?
What happens to glucose made in photosynthesis in the plant?
It is released as a by-product
It is used in respiration
It is stored as glycogen
What is the name of the chemical used to test for starch?
What colour indicates a positive test for starch using iodine solution?
Which step in the method for testing a leaf for starch removes chlorophyll from the leaf?
Step 1 - boiling in water
Step 2 - boiling in ethanol
Step 3 - washing the leaf with water
A lack of what in some parts of a variegated leaf makes it useful for investigating photosynthesis?
Why is it preferable to heat ethanol in a beaker of boiling water rather than over a Bunsen flame?
Ethanol is flammable
Ethanol is more effective when heated slowly
Ethanol is affected by light
What is the name of the chemical used to absorb carbon dioxide from the air in photosynthesis experiments?