Photosynthesis is the process by which _______ make their own food using sunlight.
Plant
During photosynthesis, plants use sunlight, ________, and carbon dioxide to produce food.
water
The substance that plants produce as food during photosynthesis is called ________.
Starch
To test for starch in a leaf, we use a solution of ________.
Iodine
The iodine solution turns ________ when it comes into contact with starch.
Blue
Before testing the leaf with iodine, we first need to ________ it in boiling water to soften it.
Boil
After boiling, the leaf is soaked in ________ to remove the green chlorophyll.
Alcohol
The process that plants use to make food is called ________.
Photosynthesis
To test a leaf for starch, you need to boil it, soak it in alcohol, and then add ________.
Iodine
The leaf turns ________ if it does not contain starch after the iodine test.
Yellow
The green pigment in the leaf that helps in photosynthesis is called ________.
Chlorophyll
The role of chlorophyll in photosynthesis is to absorb ___________.
Sunlight
When a leaf is tested with iodine and turns blue-black, it shows that the leaf has ________ from photosynthesis.
Starch
