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science revision
Question | Answer |
---|---|
What is the formula for glucose? | c6h12o6 |
what is the word equation for photosynthesis? | carbon dioxide + water --> glucose + oxygen |
What is missing glucose + _______ --> ______ ______ + Water | glucuose + oxygen --> Carbon dioxide + water |
what is the green substance needed for photosynthesis ? | Chlorophyll |
what is glucose turned into in photosynthesis ? | starch |
what does the xylem do ? | carries water and minerals rounmd the plant |
what is the function of the cuticle | to stop water evapourating |
where doe sphotosynthesis take place? | palisade cells |
what does the gaurd cells do | controls what goes in and out of the air space |
what does the pholem do | carries glucose round the plant |
what is the formula for moments | f x d |
what is the formula for pressure | force/area |
if there is a weight of 80n with a distance from the pivot 3m what distance would a weight of 50n be away from the pivot | 4.8m |
what are the units for pressure | pascals |
what are the units for force | newtons |
what is the use of roots in a plant | to hold the plant in place and to take up nutreints and water from the soil |
where i nthe leaf would you expect to find the palisade cells | at the top of the leaf |
apart from starch and proteins name anothe substance that a plant can make from glucose | cellulose |
in plants when does respiration occur | all the time but mkostly at night |
what colour would you expect to see if a potatoe was tested with iodine solution | black/blue |