Reproductive Structures Pt. 2

Question 1

Protective structures that reduce evaporation of wfater

Answer 1

seed coat

Question 2

Protect from attack of fungi and insects

Answer 2

seed coat

Question 3

Often render seed resistant to unfavorable external temperatures and mechanical forces

Answer 3

seed coat

Question 4

region of the seed coat

Answer 4

testa
tegmen

Question 5

the outer, thicker usually hard covering of the seed

Answer 5

testa

Question 6

miniature plant of the seed, most important part of the seed

Answer 6

embryo

Question 7

part of the embryo

Answer 7

cotyledon
epicotyl
hypocotyl

Question 8

food storage organs which digest and absorbs food from the endosperm

Answer 8

cotyledon

Question 9

portion above the point of attachment of the cotyledons, which becomes the shoot system upon germination

Answer 9

epicotyl

Question 10

portion below the point of attachment of the cotyledons; which becomes the root system upon germination;

Answer 10

hypocotyl

Question 11

growing tip of the seed

Answer 11

radicle

Question 12

nutritive tissue formed within the embryo sac of seed plants

Answer 12

endosperm

Question 13

Often consumed as the seed germinates and matures

Answer 13

endosperm

Question 14

Have 3n chromosome number

Answer 14

endosperm

Question 15

what is formed from the fusion of three nuclei in endosperm

Answer 15

2 polar nuclei and a sperm nucleus

Question 16

Stores starch, proteins, and oils as food

Answer 16

endosperm

Question 17

what happens to the embryo in seed germination

Answer 17

swells

Question 18

what happens to the seed coat in seed germination

Answer 18

ruptures

Question 19

what is the first to emerge in seed germination

Answer 19

radicle

Question 20

what emerges next after the radicle

Answer 20

epicotyl

Question 21

what can happen to the cotyledon when a seed germinates

Answer 21

remain in the soil
or carried upward by the epicotyl

Question 22

may persist on the seedling and become green leaf-like food making organs or may wither and fall shortly after germination when the reserved food are depleted

Answer 22

cotyledon

Question 23

label the monocot seed germination

Answer 23

grade your score accordingly

Question 24

label the dicot seed germination

Answer 24

grade your score accordingly

Question 25

external factors required for germination

Answer 25

temperature moisture oxygen food supply light soil acidity carbon dioxide

Question 26

internal factors required for germination

Answer 26

hormones completion of dormancy amount of stored food viability

Question 27

classify if it is a monocot or dicot: vascular cylinder is at the core of the root

Answer 27

dicot

Question 28

classify if it is a monocot or dicot: \pith is at the core of the root

Answer 28

monocot

Question 29

majority have bulliform cells

Answer 29

monocots

Question 30

majority do not have motor and bulliform cells

Answer 30

dicot

Question 31

guard cells, aerenchyma, and chlorenchyma

Answer 31

leaves

Question 32

guard cells and aerenchyma

Answer 32

stems

Question 33

no guard cells, aerenchyma, chlorenchyma

Answer 33

roots

Question 34

classify if it is a monocot or dicot: leaf mesophyll is divided into palisade and spongy leaves

Answer 34

dicot

Question 35

classify if it is a monocot or dicot: undifferentiated leaf mesophyll

Answer 35

monocot

Question 36

classify if it is a monocot or dicot: scattered arrangement of vascular bundles in stem

Answer 36

monocot

Question 37

classify if it is a monocot or dicot: radially placed vascular bundles in stem

Answer 37

dicot

Question 38

in a root tip, this functions as a reservoir to replace dmaaged cells of the meristem

Answer 38

quiescent center

Question 39

include the vascular cambium and porrtions of shoot and root apices

Answer 39

meristematic tissues

Question 40

in a root tip, this is composed of densely, undifferentiated meristematic cells

Answer 40

region of division

Question 41

classify if it is a monocot or dicot: with vascular cambium

Answer 41

dicot

Question 42

a flower in which the floral parts are inserted below the ovary

Answer 42

hypogynous

Question 43

have thin walls and large nuclei

Answer 43

meristematic tissue

Question 44

include the pith and cortex of stem, the mesophyll of the leaf, and the major portion of fruits

Answer 44

fundamental tissues

Question 45

dry indehiscent fruits with a hard and thick pericarp and a cap at its base

Answer 45

nuts

Question 46

match the description to the plant group: sporophyte and gametophyte are both independent

Answer 46

ferns and allies

Question 47

match the description to the plant group: gametophytes in flowers

Answer 47

angiosperms

Question 48

match the description to the plant group: gametophytes in cones

Answer 48

gymnosperms

Question 49

match the description to the plant group: has a dominant gametophyte

Answer 49

bryophytes

Question 50

taproot system

Answer 50

dicot

Question 51

buttress, pneumatophores, nodules

Answer 51

roots

Question 52

when a monocot such as corn germinates, the initial shoot is protected by _____ while the initial root is called the ___

Answer 52

coleoptile, radicle

Question 53

cluster of inflorescence that is a a deciduous, pendent, or erect spine-like inflorescence comprised of unisexual, apetalous flowers, found on many kinds of trees

Answer 53

Catkin

Question 54

cluster of inflorescence that is a flat-topped indeterminate inflorescence in which the lower pedicels become progressively elongate, and the rachis shortened, blooms from the edge towards the center; can be compound with several corymb-like clusters to each pedicel,

Answer 54

corymb

Question 55

cluster of inflorescence that is a determinate inflorescence in which the terminate flower is older than the subtending lateral flowers, like a corymb but the major difference is that it blooms from the center toward the edges and the main stalk is always terminated by a flower; can be compound

Answer 55

cyme

Question 56

an indeterminate dense cluster of sessile flowers on a single receptacle; some heads consists of only ray flowers or only disc flowers

Answer 56

head or capilutum

Question 57

an indeterminate inflorescence comprised of two or more flowers on each pedicel, arranged alternately on a branched stalk; can be compound

Answer 57

panicle

Question 58

an indeterminate inflorescence with single flowers on short pedicels arranged alternately along the rachis

Answer 58

raceme

Question 59

single flower at the end of the peduncle

Answer 59

solitary

Question 60

a thick, fleshy, spike like inflorescence, usually of imperfect flower and subtended by a large bract called spathe; sometimes spathe is showy and brightly colored

Answer 60

spadix

Question 61

an indeterminate inflorescence with sessile flowers arranged alternately along the rachis

Answer 61

spike

Question 62

an indeterminate, generally flat-topped or orbicular inflorescence with equal length pedicels arising from a single point at the end of the rachis; can be compound with branched stalk

Answer 62

simple umbel

Question 63

an inflorescence with the flower in whorls at the node

Answer 63

verticil