Chapter 9 Biology

Question 1

Respiration equation

Answer 1

C6H12O6+ 6O2 ~~~~> 6CO2 +6H2O

Question 2

Chlorophyll

Answer 2

Green pigment in leaves that traps light for photosynthesis

Question 3

Epidermis

Answer 3

Protective outer layer of cells covering the leaves roots and stems

Question 4

Cuticle

Answer 4

Waxy prevents evaporation of water

Question 5

Xylem

Answer 5

Plant vascular tissue that carries water and mineral from the roots to the leaves

Question 6

Phloem

Answer 6

Plant vascular tissue that carries sugars produced by the leaves to various parts of the plants

Question 7

Vascular bundles

Answer 7

Collection of vascular tissues (xylem and phloem) provides a system of vessels for the transport of water, minerals, and sugar through the the plant

Question 8

Tissue

Answer 8

A cluster of similar cells hat share the same structure and function

Question 9

Organ

Answer 9

A combination of tissue that work together to perform a specific function (heart, leaf)

Question 10

System

Answer 10

Combination of organs and tissues that perform a shared complex function

Question 11

Lenticels

Answer 11

Lens shaped openings perforating the bark of woody plants such as trees allowing has exchange between the environment and loving cells below the bark

Question 12

Transpiration

Answer 12

The evaporation of water from leaves

Question 13

Turgor pressure

Answer 13

Water pressure within plant cells that allows hem to remain rigid

Question 14

Xylem vessels

Answer 14

Long continuous tubes composed of dead xylem cells that transport water and minerals from a plants roots to its leaves

Question 15

Phloem vessels

Answer 15

Long continuous tubes composed of living phloem cells that transport sugars from a plants leaves to various parts of the plant

Question 16

Trachieds

Answer 16

A type of xylem cell

Question 17

Vessel element

Answer 17

Type of xylem cell

Question 18

Sieve tubes

Answer 18

A type of phloem cell

Question 19

Companion cells

Answer 19

A type of phloem cell

Question 20

Sieve plates

Answer 20

Perforated sections that separate sieve tubes and companion cells in phloem vessels

Question 21

Root hair

Answer 21

Extensions of epidermal cells that protrude from the outer layer of a plant root to provide additional surface area for absorbing water and dissolved minerals from the soil

Question 22

Xylem sap

Answer 22

The solution of water and minerals that accumulates in the root xylem and flows through xylem vessels in a plant

Question 23

Phloem sap

Answer 23

A mixture of sugar, nutrients and water that flows through phloem vessels to various parts of the plant

Question 24

Root pressure

Answer 24

Turgor pressure inside the root xylem

Question 25

Stimuli

Answer 25

Environmental factors that induce a response from an organism

Question 26

Auxin

Answer 26

Plant growth hormone produced in plant tips

Question 27

Nastic

Answer 27

Touch

Question 28

Photosynthesis reaction

Answer 28

6CO2 + 6H2O~~~~> C6H12O6 + 6O2