Plants

Question 1

Chlorophyll

Answer 1

A green pigment found in the chloroplasts of plants

Question 2

Photosynthesis

Answer 2

Food-making process

Question 3

Tissues

Answer 3

Groups of similar cells that perform a specific function in an organism

Question 4

Chloroplast

Answer 4

Structures which food is made

Question 5

Vacuole

Answer 5

A large storage sac that can expand and shrink

Question 6

Cuticle

Answer 6

Waxy, waterproof layer that helps a plant reduce water loss

Question 7

Vascular tissue

Answer 7

A system of tubelike structures inside a plant through which water, minerals, and food move.

Question 8

Nonvascular plants

Answer 8

Low-growing, have thin cell walls, do not have roots for absorbing water from the ground

Question 9

rhizoids

Answer 9

Anchor the moss and absorb water and nutrients

Question 10

Vascular plants

Answer 10

Plants with true vascular tissue

Question 11

Phloem

Answer 11

The vascular tissue through which food moves

Question 12

Xylem

Answer 12

A vascular tissue that water and minerals go through

Question 13

Fronds

Answer 13

Fern’s leaves

Question 14

Pollen

Answer 14

Tiny structures that contain the cells that will later be sperm cells

Question 15

Seed

Answer 15

Contain a young plant

Question 16

Gymnosperm

Answer 16

A seed plant that produces naked seeds

Question 17

Angiosperm

Answer 17

Flowering plants

Question 18

Cotyledon

Answer 18

Seed leaf

Question 19

Monocot

Answer 19

Angiosperms with only one leaf

Question 20

Dicots

Answer 20

Produce seeds with two seed leaves

Question 21

Root cap

Answer 21

Protects the root from injury as the root grows through the soil

Question 22

Cambium

Answer 22

Cells that divide to produce new phloem and xylem

Question 23

Stomata

Answer 23

Surface layers of the leaf that have small openings, pores

Question 24

Transpiration

Answer 24

The process which water evaporates from a plants leaves

Question 25

Embryo

Answer 25

Fertilized egg

Question 26

Germination

Answer 26

When the embryo begins to grow again and pushes out the seed

Question 27

Flower

Answer 27

The reproductive structure of an angiosperm

Question 28

Pollination

Answer 28

The transfer of pollen from male to female reproductive structures

Question 29

Sepals

Answer 29

Protect developing flower

Question 30

Stamens

Answer 30

Male reproductive parts

Question 31

Pistils

Answer 31

Female reproductive parts

Question 32

Ovary

Answer 32

Protects developing seeds

Question 33

Sporophyte

Answer 33

Plant produces spores

Question 34

Gametophyte

Answer 34

Plant produces two kinds of sex cells

Question 35

Annuals

Answer 35

Flowering plants that complete a life cycle within one growing season

Question 36

Biennials

Answer 36

Angiosperms that complete their life cycle in two years

Question 37

Perennials

Answer 37

Flowering plants that live for more than two years

Question 38

Fertilization

Answer 38

Occurs when a sperm cell unites with an egg cell

Question 39

Cone

Answer 39

Reproductive structures in gymnosperm

Question 40

Ovule

Answer 40

A structure that contains an egg cell

Question 41

Fruit

Answer 41

The ripened ovary and other structures that enclose one or more seeds

Question 42

Tropism

Answer 42

A plant’s growth response toward or away from a stimulus

Question 43

Hormone

Answer 43

A chemical that affects how the plant grows and develops

Question 44

Auxin

Answer 44

A plant hormone that speeds up the rate at which a plant grows and controls its response to light

Question 45

Photoperiodism

Answer 45

A plants response to seasonal changes in the length of night and day

Question 46

Critical night length

Answer 46

The number of hours of darkness that determines whether or not a plant will flower

Question 47

Short-day plants

Answer 47

Flower when the nights are longer than a critical length

Question 48

Long-day plants

Answer 48

Flower when the nights are shorter than a critical length

Question 49

Day-neutral plants

Answer 49

Have a flowering cycle that is not sensitive to periods of light and dark

Question 50

Dormancy

Answer 50

A period when an organisms growth or activity stop