Name the four main parts of a plant
petal
flower
root
chlorophyll
stem
leaf
Do all plant cells have a cell wall?
What adaptations does a root hair cell have?
Thin cell wall and air pockets
Air pockets and wax covering
Thin cell wall and large surface area
Large surface area and wax covering
Name TWO transport tissues
Xylem
Chloroplasts
Vascular
Phloem
What does the waxy cuticle do?
Aids gas exchange
Prevents water loss
Name two types of mesophyll
Palisade
Spongy
What is the job of a stoma?
To let in carbon dioxide and let out oxygen and water
To let in oxygen and water and let out carbon dioxide
To produce chlorophyll
What are the advantages of hydroponics?
Cheap to build, run and maintain
Highly effective and produces good quality crops
Farmers are easily able to control the crops they grow
The process works equally with all plants
Plants can be grown in very unhealthy soil or even no soil at all
Does photosynthesis provide glucose?
Give some uses of glucose
Growth
Respiration
Starch production
Food store
Warmth
Photosynthesis is able to take place when a leaf is covered
What is magnesium used for?
To make chlorophyll
To build proteins
What is nitrogen (from nitrates) used for?
To make chlorophyll (for photosyntheis)
To build proteins (e.g enzymes) from amino acids
What makes the 'ultimate greenhouse?'
fans, boiler, hot and cold water pipes and sodium lamps
fans, cold water sprinklers and nitrogen lamps
boilers, covered areas, hot water pipes and a high light intensity
Osmosis is the movement of water from a low water concentration to a high water concentration
What word best describes the cell membrane?
Viscous
Semi-permeable
Flaccid
What does it mean if a cell is flaccid?
The cell has lost water
The cell is full of water
What three things are plants sensitive to?
Light
Heat
Water
Acidity (or pH level)
Gravity
What is the hormone called that controls and coordinates growth in plants?
Auxin
Ethanol
Cytokinin
Nastic movement has a direction
