B6 - Photosynthesis Flashcards
What are the two products of photosynthesis?
Glucose and oxygen
What provides the energy for photosynthesis to happen?
Light
What do we call the holes in the leaf through which the carbon dioxide enters?
Stomata
The specialised cells that trap the sunlight contain a lot of?
Chlorophyll
What compound do plants absorb from the soil that they need for photosynthesis?
Water
Name the layer of leaf cells that has the most chloroplasts (the plant cell organelles that contain chlorophyll).
Palisade layer
What is the missing chemical? _______ + water > glucose + oxygen
Carbon dioxide
What chemical is used to test for starch?
Iodine
Why do leaves have a large surface area?
To trap sunlight
Which of the changes below will not increase photosynthesis?
Increased concentration of oxygen
What is the name for the process by which the carbon dioxide enters the leaf?
Diffusion
What type of reaction is photosynthesis?
Endothermic
Plants store glucose as
Starch
Chlorophyll is
A green pigment found in chloroplasts
What do we call the tube that carries the glucose once it is made by the leaves?
The phloem
What is the name of the hollow tube that takes water into the leaf?
The xylem
Once the carbon dioxide enters the leaf it passes through gaps in a layer of cells called ?
Spongy mesophyll
Limiting factors: there are three things that affect how much photosynthesis takes place in a plant. What are they?
Light intensity, carbon dioxide concentration and temperature
What is glucose used for in the plant?
Respiration, storage and cellulose for cell wall
What is true about root hair cells?
They don’t have chloroplasts
