PHOTOSYNTHESIS
Name two inorganic substances that a plant need to make its own food
carbon dioxide - water - minerals
The flat part of the leaf it´s called ...
Lamina
Amount of carbon dioxide in the air
0.04%
Leaves obtain energy by this process
Respiration
Substances made by living things are said to be ...
Organic
Plants make the carbohydrate glucose from...
carbon dioxide + water
The ... contain tubes which carry substances to and from the leaf.
Veins
Cells that need carbon dioxide
Mesophyll cells
Many glucose molecules joined together is...
Starch
One of the first carbohydrates made in photosynthesis
Glucose
How is the green substance of the plant called?
Chlorophyll
It helps to stop water evaporating from the leaf
Cuticles
Water travels from the xylen vessels to the mesophyll cells by...
osmosis
What substances does a plant need to be able to convert glucose into proteins?
Carbohydrates - cellulose - sugar
Why are leaves thin?
To aloud sunlight to penetrate them.
Where is chlorophyl kept in the plant cells?
Chloroplasts
Small openings in the lower epidermis
Stomata
What is so particular about plants living in shady places?
Big leaves
Where do the magnesium and nitrate ions come from?
The soil
What characteristics should a molecule have to be transported easily?
small and soluble
What type of energy does a plant use to make glucose?
Sunlight
These leaf cells do not contain chloroplasts, they are also called closely fitting cells
Epidermis
Carbon dioxide gets into the leaf through the stomata by...
diffusion
Why is glucose not very good for storage in a leaf?
They carry water
Xylem vessels