Science 10-1 Biology Plant

Question 1

Apical Meristems

Answer 1

Growth of the plant vertically

Question 2

Lateral Meristems

Answer 2

Growth of the plant horizontally

Question 3

Ground Tissue

Answer 3

Middle layer
Not considered vascular or dermal tissue

Question 4

Lenticles

Answer 4

Like pores on a plant
Allows for gas exchange

Question 5

Xylem

Answer 5

transports water and minerals from soil to leaves
Cells die

Question 6

Phloem

Answer 6

Transports sugar from photosynthesis (leaves) throughout plant

Question 7

Root hairs

Answer 7

increase surface area of roots for osmosis and water to go into roots

Question 8

Root pressure

Answer 8

High concentration in soil and low concentration in root
Osmosis occurs

Question 9

Cohesion

Answer 9

Water molecules attract each other along a long chain

Question 10

Adhesion

Answer 10

Water molecules stick to the walls of the xylem

Question 11

Transpiration pressure

Answer 11

Water being evaporated in the leaves bring up more water from the lower half of the plant, up

Question 12

Source cell

Answer 12

Sucrose from photosynthesis goes into source cells

Question 13

Sink cells

Answer 13

Sucrose being transported into sink cells from source cells
This sugar is put into fruits that that plant has

Question 14

Auxin

Answer 14

The hormone plants use to grow

Question 15

Positive Gravitropism

Answer 15

Plants growing towards gravity

Question 16

Negative Gravitropism

Answer 16

Plants grow against gravity

Question 17

Positive Phototropism

Answer 17

Plants grow towards light

Question 18

Negative Phototropism

Answer 18

Plants grow away from light

Question 19

Stimuli

Answer 19

Reaction to environment

Question 20

Tropism

Answer 20

The turning and moving of the plant based on external stimulus