Plants

Question 1

upper epidermis

Answer 1

thin and transparent to allow light through

Question 2

palisade mesophyll

Answer 2

regular shaped cells packed with chloroplasts allows maximum absorption of light for photosynthesis

Question 3

spongy mesophyll

Answer 3

irregular shaped cells to increase surface area for gas exchange . carbon dioxide exchanged with oxygen

Question 4

guard cells

Answer 4

control opening and closing of stomata

Question 5

stomata

Answer 5

allows gas exchange with environment

Question 6

waxy cuticle

Answer 6

waxy layer prevents loss of water through evaporation

Question 7

lower epidermis

Answer 7

cells swell to open stomata

Question 8

xylem cells in leaf

Answer 8

carries water + minerals into cell

Question 9

phloem cells in leaf

Answer 9

carries sugars out of leaf

Question 10

petals

Answer 10

reproduction (1)
attracts pollinators
pollinated flowers produce fruit / seeds as the product of sexual reproduction

Question 11

leaves

Answer 11

contain chlorophyll for photosynthesis

Question 12

stem

Answer 12

provides plant support , transport of water and minerals through vessels

Question 13

roots

Answer 13

anchorage of plants, storage of sugar, absorbs water and mineral ions from soil

Question 14

meristem

Answer 14

area which undifferentiated cells are produced (stem cells)

Question 15

shoot apical meristem

Answer 15

occurs at tip of shoot, produces new leaves + flowers

Question 16

lateral meristem

Answer 16

occurs at cabium, produces girth and thickness in stem

Question 17

root apical meristem

Answer 17

occurs at tip of root controls root growth and development