Photosynthesis

Question 1

what type of reaction is photosynthesis and what does this mean

Answer 1

endothermic, energy is taken

Question 2

what are the three factors for photosynthesis

Answer 2

light intensity, temperature and carbon dioxide

Question 3

how are root hair cells specialized for their job

Answer 3

very large surface area

Question 4

what process is water absorbed into the plant roots by

Answer 4

osmosis

Question 5

by what process are mineral ions absorbed by

Answer 5

active transport

Question 6

what do phloem cells transport

Answer 6

food substances (mainly sucrose)

Question 6

are phloem and xylem dead or alive

Answer 6

phloem- alive, xylem- dead

Question 7

transport of sucrose is called

Answer 7

translocation

Question 8

what do xylem cells transport

Answer 8

water and mineral ions

Question 9

water (and mineral ions dissolved in the water) are moved by

Answer 9

transpiration

Question 10

describe the structure of phloem cells

Answer 10

elongated cells with end walls

Question 11

describe the structure of xylem cells

Answer 11

dead cells no end walls lignin

Question 12

name two ways water is lost from a plants surface

Answer 12

evaporation and diffusion

Question 13

name the peiece of equiptment used to estimate rate of transpiration

Answer 13

potometer

Question 14

whats the equation for estimating transpiration rate using a potometer

Answer 14

distance moved by bubble/time taken

Question 15

what are the reactants of photosynthesis

Answer 15

water, carbon dioxide

Question 16

what do we call the tiny pores in the surface of a plant

Answer 16

stomata

Question 17

what are the products of photosynthesis

Answer 17

glucose and oxygen

Question 18

name three factors which affect the rate of transpiration

Answer 18

humidity light intenstity and temperature

Question 19

name the cells that control the opening and shutting of the stomata

Answer 19

guard cells