Biology test 2

Question 1

Primary function is to develop seeds

Answer 1

flower

Question 2

produces pollen

Answer 2

Stamen

Question 3

head of stamen

Answer 3

anther

Question 4

base of the pistil

Answer 4

ovary

Question 5

underdeveloped seeds

Answer 5

ovules

Question 6

top of the pistil

Answer 6

stigma

Question 7

flower that has all 4 main parts

Answer 7

complete flower

Question 8

flower that lacks stamens

Answer 8

Pistillate

Question 9

flower that lacks a pistil

Answer 9

Staminate

Question 10

staminate and pistillate flowers on separate plants

Answer 10

dioecious

Question 11

staminate and pistillate flowers on the same plant

Answer 11

monoecious

Question 12

main factor affecting flowering

Answer 12

length of daylight (and night)

Question 13

Three factors affecting flowering

Answer 13

1. length of sunlight
2. soil fertility
3. temperature

Question 14

fully ripened ovary

Answer 14

fruit

Question 15

transfer of pollen from stamen to stigma

Answer 15

pollination

Question 16

sweet liquid produced by flower

Answer 16

nectar

Question 17

union of sperm and egg cell

Answer 17

fertilization

Question 18

collective name for sperm and egg cells

Answer 18

gametes

Question 19

reproduction involving egg and sperm cells

Answer 19

Sexual reproduction

Question 20

occurs when the ovary grows larger and turns into a fruit

Answer 20

ripening

Question 21

form from one flower with one pistil

Answer 21

simple fruit

Question 22

outer fleshy layer and inner woody layer

Answer 22

drupe

Question 23

juicy and fleshy throughout

Answer 23

berry

Question 24

formed from one flower with several pistils

Answer 24

aggregate fruits

Question 25

aggregate fruit ex

Answer 25

strawberry

Question 26

form from multiple flowers

Answer 26

multiple fruit

Question 27

multiple fruit ex

Answer 27

pineapple

Question 28

seeds inclosed in a pod

Answer 28

legume

Question 29

legume ex

Answer 29

peanut

Question 30

dry fruit with wing-like structure attached

Answer 30

samara

Question 31

outer fleshy layer with papery core

Answer 31

pomes

Question 32

fruit of the grass family

Answer 32

grain

Question 33

seed with thin shell

Answer 33

achene

Question 34

seeds with hard shells

Answer 34

nuts

Question 35

when something other than the plant disperses seeds

Answer 35

agent dispersal

Question 36

when the plant disperses the seeds

Answer 36

mechanical dispersal

Question 37

protective covering for the seed

Answer 37

seed coat

Question 38

part of the seed that develops into the root system

Answer 38

radicle

Question 39

part of the seed that develops into the shoot system

Answer 39

plumule

Question 40

period of inactivity

Answer 40

dormancy

Question 41

hormone that controls dormancy

Answer 41

abscissic acid (ABA)

Question 42

created 300 uses for the peanut and 100 for the sweet potato

Answer 42

George Washington Carver

Question 43

allows the plant to grow in length

Answer 43

bud

Question 44

where leaves have/are growing

Answer 44

node

Question 45

where last years growth stops and this years starts

Answer 45

bud scale scar

Question 46

openings in the bark

Answer 46

lenticels

Question 47

primary growth is growth in ______

Answer 47

length

Question 48

secondary growth is growth in ________

Answer 48

width

Question 49

found between the wood and bark

Answer 49

vascular cambium

Question 50

_____ is also called wood

Answer 50

xylem

Question 51

outer section of the woody stem

Answer 51

bark

Question 52

what the epidermis is replaced with in older plants

Answer 52

cork

Question 53

long, narrow cells that offer support

Answer 53

tracheids

Question 54

larger than tracheids, conduct sap

Answer 54

vessels

Question 55

found in the center of young woody stem

Answer 55

pith

Question 56

older, inner wood that doesn't conduct sap

Answer 56

heartwood

Question 57

younger wood that conducts sap

Answer 57

sapwood

Question 58

produced by periods of faster and slower growth

Answer 58

annual growth ring

Question 59

outer covering of the monocot stem

Answer 59

rind

Question 60

mineral that rind contains

Answer 60

silica

Question 61

reproduction that doesn't involve gametes

Answer 61

asexual reproduction

Question 62

when a person uses vegetative reproduction

Answer 62

propogation

Question 63

vegetative reproduction where a piece of a plant grows into a new plant

Answer 63

cutting

Question 64

vegetative reproduction where tissue is transplanted from one plant to another

Answer 64

grafting

Question 65

growing a plant from a single cell

Answer 65

tissue culturing

Question 66

when the scion is the bud

Answer 66

budding

Question 67

living portion in grafting

Answer 67

scion

Question 68

dead portion in grafting (receives scion)

Answer 68

stock

Question 69

growth response in a plant

Answer 69

tropism

Question 70

response toward sunlight

Answer 70

phototropism

Question 71

response toward gravity

Answer 71

geotropism

Question 72

response to water

Answer 72

hydrotropism

Question 73

response to touch

Answer 73

thigmotropism

Question 74

chemical messangers

Answer 74

hormones

Question 75

involved in tropisms

Answer 75

auxins (they're a hormone)

Question 76

hormone responsible for ripening

Answer 76

ethylene

Question 77

onion is an ex of ____

Answer 77

bulb

Question 78

underground stem surrounded by leaves

Answer 78

bulb

Question 79

thick underground horizontal stem

Answer 79

rhizome

Question 80

rhyzome ex

Answer 80

ginger

Question 81

tuber ex

Answer 81

potato

Question 82

underground stem for storage

Answer 82

tuber

Question 83

thin horizontal above ground stem

Answer 83

stolon

Question 84

protective stem

Answer 84

thorn

Question 85

1 main stem

Answer 85

taproot

Question 86

mostly adventitious roots

Answer 86

fibrous roots

Question 87

long, finger-like projections (increase water absorption)

Answer 87

root hairs

Question 88

where (in the root) new cells are develped

Answer 88

meristematic region

Question 89

provides protections for the tip of the root

Answer 89

root cap

Question 90

mixing of molecules by random molecular motion

Answer 90

diffusion

Question 91

one way diffusion through a semipermeable membrane

Answer 91

osmosis

Question 92

upward movement through the xylem tubes

Answer 92

sap stream