This one just define....
talk about how the dye enters the plant and into the xylem
MARK SCHEME
ANSWER: Transpiration is the loss of water vapour from the aerial parts of the plant through the stomata (3 marks)
ANSWER: Transpiration pull causes water that contains dissolved nitrates to go up the plant. (2marks)
ANSWER: The dye diffuses into the root hair cells through the cell wall and into the xylem in the roots, and goes up the stem by transpiration pull. (5 marks)QUESTION 7
Check your notes
Dialysis!!!!
MARK SCHEME
ANSWER: The kidneys are organs of excretion that filter and remove urea,excess salts and water from the blood to be released as urine. (5 marks!)
This is in your notes... check and see if you can get 6 marks!! Memorise the one i gave you :)
