Plants - 2nd Form Flashcards
What is the word equation of photosynthesis
Carbon Dioxide + Water —> Glucose + Oxygen
How does CO2 get into a leaf
Stomata
What are stomata
Holes in the underside of a leaf
What open and close the stomata
Guard cells
What are the reactants of Photosynthesis
Carbon Dioxide + Water
What are the products of photosynthesis
Glucose + Oxygen
How does a plant absorb sunlight
Chlorophyll
What is chlorophyll
A pigment that absorbs light
What colour is chlorophyll
Green
Where are chlorophyll in a leaf
Chloroplasts in the Palisade Mesophyll Cells
Where do roots absorb water from
Soil
What is the process plants use to make food called
Photosynthesis
Where do plants make food
Leaves
Where can’t plants photosynthesise
The dark
How is energy transferred from the sun to a plant
Light
What do plants need from the soil to stay healthy
Water & Minerals
Where do plants get carbon dioxide from
The air
What cell makes up roots
Root hair cell
What minerals are needed for a plant to flourish
Nitrate, Phosphorus, Potassium and Magnesium
How do leaves being flat and wide help photosynthesis to occur
More surface are to absorb light
How do leaves having chloroplasts near the surface of the leaf help photosynthesis to occur
More light can get to them
How do leaves having lots of veins help photosynthesis to occur
To transport water for photosynthesis and take away glucose
How do leaves having holes(stomata) help photosynthesis to occur
To diffuse Carbon Dioxide/Oxygen in/out of the leaf
Soda lime absorbs carbon dioxide. A plant in a container with a dish of soda lime begins to turn yellow and dies. How do you know this is about photosynthesis
Photosynthesis is dependant on Carbon Dioxide
What is a deficiency symptom?
A symptom caused by the lack of a particular mineral that is necessary for the normal growth of plants.
What is the main role of nitrate in a plant?
Healthy growth and to make proteins.
What is the main role of phosphorus in a plant?
Healthy Roots
What is the main role of potassium in a plant?
For healthy leaves and flowers
What is the main role of magnesium in a plant?
Making chlorophyll
What is the deficiency symptom of nitrate in a plant?
Poor growth and yellowing of older leaves
What is the deficiency symptom of phosphorus in a plant?
Poor root growth, young leaves are purple
What is the deficiency symptom of potassium in a plant?
Yellow leaves with dead patches
What is the deficiency symptom of magnesium in a plant?
Plants turn yellow
What is fertiliser?
Chemicals(Nitrogen, Phosphate and Potassium) applied to soil to replace minerals taken out of the soil
Why do farmers use fertilisers
To prevent future crops from suffering from mineral deficiency.
Name the parts of the internal structure of a leaf going from the highest point to the lowest point with descriptions of all but the second.
Cuticle(Waxy Layer), Upper Epidermis, Palisade Mesophyll Cells(Contains Chloroplast, Cells are Elongated for Storage), Spongy Mesophyll Cells(Has A Space for Air in the Middle) & Lower Epidermis (Contains Stomata and Guard Cells To Let Air Diffuse into the Leaf).
