Flowers

Question 1

_______ flowers are around 0.1 mm

Answer 1

Wolffia

Question 2

___________________ reached 1 meter.

Answer 2

Rafflesia arnoldii

Question 3

Largest inflorescence is __________ 2 meters tall

Answer 3

Amorphophallus titanium

Question 4

It is the term for a collection of flowers

Answer 4

inflorescence

Question 5

complete their life cycle in one season

Answer 5

Annuals

Question 6

take two growing seasons

Answer 6

Biennials

Question 7

take several growing seasons

Answer 7

Perennials

Question 8

By life cycle in a flowers growing season, it means: ?

Answer 8

Blooming period

Question 9

It is found at the tip of the stem. Flowers begin as this, then eventually develops into a bud

Answer 9

Primordium

Question 10

It branch out from the peduncle

Answer 10

Pedicels

Question 11

Solitary flowers mean: ?

Answer 11

Singular flower

Question 12

It is the attachment point of the flower and swollen end of pedicel

Answer 12

Receptacle

Question 13

Consists of three or more plant parts encircling another plant part at the same point on an axis

Answer 13

Whorl

Question 14

Outermost whorl and usually green, leaflike. Collectively known as calyx. Protects the flower while it is in the bud

Answer 14

Sepal

Question 15

Collectively known as corolla. It can be showy or inconspicuous

Answer 15

Petals

Question 16

Collective name for calyx and corolla together

Answer 16

Perianth

Question 17

If sepals and petals are indistinguishable, they are called ?

Answer 17

tepals

Question 18

Male reproductive organ. Consists of filament with anther at top

Answer 18

Stamen

Question 19

This develops in the anthers

Answer 19

Pollen grains

Question 20

All stamens are collectively called the ?

Answer 20

androecium

Question 21

Female reproductive part of a flower. It is in the middle

Answer 21

Pistil

Question 22

The top part of the pistil. It is sticky

Answer 22

Stigma

Question 23

The stigma is connected by ______ to the base of the flower

Answer 23

Style

Question 24

The base of pistil

Answer 24

Ovary

Question 25

Divisions of pistil

Answer 25

Carpels

Question 26

A type of ovary that is above the perianth

Answer 26

Superior ovary

Question 27

A type of ovary that is below the perianth

Answer 27

Inferior ovary

Question 28

The ovary contains _______, which develops into seeds after fertilization

Answer 28

Ovules

Question 29

Matured (fertilized) ovary and its accessory parts. Usually contains seeds

Answer 29

Fruit

Question 30

The skin of the fruit

Answer 30

Exocarp

Question 31

The boundary around seeds

Answer 31

Endocarp

Question 32

It is between exocarp and endocarp

Answer 32

Mesocarp

Question 33

It is the collective term for all fruit regions (exo, endo, meso)

Answer 33

Pericarp

Question 34

It develops from a flower with one pistil

Answer 34

Simple fleshy fruits

Question 35

Simple fleshy fruit with single seed enclosed by a hard, stony endocarp. It has one carpel E.g., coconut, apricots, cherries, peaches, plums, olives, almonds

Answer 35

Drupe

Question 36

From compound ovary, with more than one seed, and with fleshy pericarp. It has multiple carpels

Answer 36

Berry

Question 37

It has thin skin and soft pericarp. E.g., Tomatoes, grapes, peppers, bananas

Answer 37

Berry

Question 38

Berries with thick rinds E.g., pumpkin, cucumber, watermelon, squash, cantaloupe

Answer 38

Pepo

Question 39

Berry with leathery skin containing oils E.g., orange, lemon, lime, grapefruit, tangerine, kumquat

Answer 39

Hesperidium

Question 40

Flesh comes from enlarged floral tube or receptacle that grows up around ovary. Endocarp papery or leathery E.g., apple, pear, quince

Answer 40

Pome

Question 41

Mesocarp that dries at maturity

Answer 41

Dry Fruits

Question 42

Fruits that split at maturity

Answer 42

Dehiscent fruits

Question 43

Splits along one side (suture) E.g., larkspur, milkweed, peony

Answer 43

Follicle

Question 44

Splits along two sutures E.g., peas, beans, lentils, peanuts

Answer 44

Legume

Question 45

Split along two sides, but seeds are on central partition --- more than three times longer ---than wide Silicles are <3x longer than wide. E.g., broccoli, cabbage

Answer 45

Silique

Question 46

Consists of at least two carpels. Split in a variety of ways E.g., iris, poppy, violet, snapdragon

Answer 46

Capsule

Question 47

Fruits that do not split at maturity

Answer 47

Indehiscent Fruits

Question 48

Only base of the single seed is attached to the pericarp E.g., sunflower, buttercup, buckwheat, strawberry

Answer 48

Achene

Question 49

Like achene, but larger, with harder and thicker pericarp, and a cluster of bracts at base E.g., acorns, hazelnuts, hickory nuts

Answer 49

Nut

Question 50

Also called caryopsis. Pericarp is tightly united with seed and cannot be separated from it. E.g., corn, wheat, rice, oats, barley

Answer 50

Grain

Question 51

Pericarp extends as wings --- for wind dispersal E.g., maple, ash, elm, oak

Answer 51

Samara

Question 52

Twin fruit that breaks into one-seeded segments called mericarps E.g., carrot, anise, dill

Answer 52

Schizocarp

Question 53

Derived from single flower with several pistils. Individual pistils mature as clustered unit on single receptacle. E.g., raspberries, blackberries, strawberries

Answer 53

Aggregate Fruits

Question 54

Derived from several to many individual flowers in single inflorescence E.g., mulberries, osageorange, pineapples, figs

Answer 54

Multiple Fruits

Question 55

Dispersal by wind

Answer 55

Anemochory

Question 56

Dispersal by animals

Answer 56

Zoochory

Question 57

Dispersal by water

Answer 57

Hydrochory

Question 58

Some seeds are mechanically ejected. E.g., squirting cucumber

Answer 58

Other Mechanisms

Question 59

where the ovule was attached to ovary wall

Answer 59

Hilum

Question 60

A tiny pore that allows entry of water. Once the seed imbibes water, it swells and splits the seed coat.

Answer 60

Micropyle

Question 61

Food storage organs that function as seed leaves

Answer 61

Cotyledons

Question 62

Undeveloped leaves and meristem at tip of embryo axis. This allows when it emerges

Answer 62

Plumule

Question 63

the stem above the cotyledons

Answer 63

Epicotyl

Question 64

the stem below the cotyledons

Answer 64

Hypocotyl

Question 65

Primitive root of the embryo

Answer 65

Radicle

Question 66

Beginning of seed growth. Some seeds require period of dormancy --- due to mechanical or physiological factors

Answer 66

Germination

Question 67

What are the ff: - Water and oxygen - Light, or its absence - Proper temperature

Answer 67

Conditions for Germination

Question 68

Seeds break dormancy by:

Answer 68

mechanical abrasion, thawing and freezing, bacterial action, soaking rains

Question 69

Seeds that do not have dormancy. Embryo grows continuously while fruit is still on the tree.

Answer 69

Vivipary