Deck 8: Flowers, Fruits, and Seeds

Question 1

The floral parts are attached to an apical portion of the flowering stem called the

A) carpel.
B) receptacle.
C) stamen.
D) corolla.
E) inflorescence.

Answer 1

B

Question 2

The parts of a flower that eventually become seeds are

A) ovaries.
B) styles.
C) stigmas.
D) ovules.
E) peduncles.

Answer 2

D

Question 3

Which of the following is usually missing in wind-pollinated plants?

A) calyx
B) corolla
C) stamens
D) pistil
E) leaves

Answer 3

B

Question 4

Dicots are now classified in the class ________. The common name refers to the production of ________ seed leaves.

A) Monocotyledonae; one
B) Dicotyledonae; one
C) Magnoliopsida; two
D) Liliopsida; two
E) Liliopsida; one

Question 5

In which of the following habitats are flowering plants known to occur?

A) dangling from other plants.
B) fresh water
C) underground
D) rock crevices
E) All of these answers are correct.

Question 6

The part of a flower that frequently functions in protecting unopened flower buds is called the

A) corolla.
B) calyx.
C) filament.
D) peduncle.
E) style.

Question 7

Which of the following characteristics can be used to identify dicots?

A) flower parts in groups of four, five or multiples of four or five
B) flower parts in groups of three or multiples of three
C) presence of pith in the center of the root
D) long slender leaves with parallel veins
E) lack of pith in the center of the stem

Question 8

Which of the following is NOT a feature of monocots?

A) scattered vascular bundles
B) flower parts in multiples of three
C) cambiums absent
D) leaves with more or less parallel veins
E) pollen grains mostly with three apertures

Question 9

A plant that requires two growing seasons to complete its life cycle is a(an)

A) annual.
B) perennial.
C) biennial.
D) hypogeal.
E) composite.

Question 10

The pistil is made of three regions: the ________, the ________, and the ________.

A) stamen; filament; anther
B) calyx; sepals; petals
C) ovule; pedicel; peduncle
D) rachis; peduncle; petiole
E) stigma; style; ovary

Question 11

Most grasses, trees and "weeds" are flowering plants that produce ________ flowers.

A) large, conspicuous
B) colorful
C) fragrant
D) small, inconspicuous
E) few

Question 12

Most monocots are ________.

A) woody trees
B) herbaceous
C) small shrubs
D) found in aquatic habitats
E) not valuable to feed, clothe or provide materials for people.

Question 13

Pollen is produced in and released from the

A) style.
B) carpel.
C) filament
D) anther.
E) stigma.

Question 14

Which of the following is a cluster of flowers in which each flower is produced on its own pedicel?

A) inflorescence
B) pedunculate cluster
C) axillary protuberance
D) reproductive protrusion
E) None of these answers are correct.

Question 15

Each flower develops from a

A) primordium.
B) peduncle.
C) calyx.
D) pedicel.
E) filament.

Question 16

The pistil of a flower

A) usually contains at least one ovule.
B) is always surrounded by petals.
C) produces pollen grains.
D) is always composed of a single carpel.
E) is a part of a peduncle.

Question 17

When the calyx, corolla, and stamens of a flower are attached at the top of the ovary, the ovary is said to be

A) superior.
B) inflated.
C) inferior.
D) half-inferior.
E) wanting.

Question 18

Flowering plants that complete their life cycles in a single season are called

A) perennials.
B) biennials.
C) monoseasonals.
D) annuals.
E) accelerophytons.

Question 19

The largest known flower in the world is the ________.

A) duckweed flower
B) Rafflesia flower
C) sunflower
D) corpse flower
E) American lotus flower

Question 20

The part of the flower in which ovules are produced is the

A) stigma.
B) stamen.
C) carpel.
D) calyx.
E) style.

Question 21

A berry with a leathery skin containing oils is called a

A) drupe.
B) hesperidium.
C) pepo.
D) pome.
E) true berry.

Question 22

Most of the flesh of pomes comes from

A) enlarged stamen bases.
B) the ovary.
C) the receptacle and/or the floral tube.
D) the peduncle.
E) the petal bases.

Question 23

Which of the following groups of fruits would botanically be classified as nuts?

A) almonds, walnuts
B) coconuts, cashews
C) peanuts, pistachios
D) brazil nuts, pecans
E) acorns, hazelnuts

Question 24

Which of the following groups of plants produce siliques or silicles for fruits?

A) milkweeds, magnolias
B) cabbage, broccoli, radishes
C) lilies, irises
D) peanuts, peas, beans
E) coconut palms, walnut trees

Question 25

Cocklebur is a dry fruit that has small hooks on its surface. This suggests that cocklebur is dispersed by

A) birds or mammals eating the fruit and defecating the seeds at another location.
B) hooking in the fur, feathers, or clothing and being brushed off at another location.
C) floating in a lake or river until being deposited on a distant shore.
D) wind.
E) high pressure expulsion of the seeds from within the fruit.

Question 26

Multiple fruits, such as ________, develop from an inflorescence of two or more flowers.

A) apple
B) pepos
C) pineapple
D) samaras
E) achenes

Question 27

Some seeds require that the seed coat be partially digested or decayed before germination will occur. This process of altering the seed coat to permit germination is called

A) lignification.
B) scarification.
C) stratification.
D) senescence.
E) cracking.

Question 28

Viability (retention of capacity to germinate) of seeds may often be extended by which of the following?

A) low humidity
B) higher temperatures
C) high oxygen
D) lack of oxygen
E) high carbon dioxide

Question 29

Which of the following groups of fruits would be classified botanically as true berries?

A) strawberries, raspberries
B) apples, pears
C) tomatoes, grapes
D) olives, coconuts
E) oranges, limes

Question 30

Which of the following types of fruit do not split at maturity?

A) samaras
B) legumes
C) follicles
D) siliques
E) capsules

Question 31

Modifications of fruits or seeds that do NOT adapt them for dispersal by either wind or water include

A) tiny seeds that are light in weight.
B) parachutelike plumes.
C) an inflated sac around the seed.
D) pockets of air beneath the surface of the seed coat.
E) a mechanism that squirts seeds from one end of a melonlike fruit.

Question 32

The fleshy edible part of the strawberry is actually the

A) compound carpel.
B) multiple achenes.
C) pericarp.
D) fleshy petals.
E) receptacle.

Question 33

The skin of most fruits is technically the

A) endocarp.
B) pericarp.
C) exocarp.
D) mesocarp.
E) dermocarp.

Question 34

Which of the following groups of fruits is representative of drupes?

A) oranges, lemons, limes
B) strawberries, blackberries, raspberries
C) apples, pears, quinces
D) pineapples, mulberries, figs
E) plums, apricots, coconuts

Question 35

Seedless fruits that develop without fertilization occurring

A) are said to be apomictic.
B) do not have a mesocarp.
C) are always stimulated to develop by the application of dilute hormone sprays.
D) are said to be parthenocarpic.
E) develop only from a receptacle.

Question 36

An example of an aggregate fruit would be the

A) apple.
B) strawberry.
C) sunflower.
D) peach.
E) plum.

Question 37

Which fruit or seed is dispersed by the wind?

A) maple
B) milkweed
C) dandelion
D) ash
E) All of these answers are correct.

Question 38

Which of the following fruits is derived from a simple flower having more than one pistil?

A) pome
B) pepo
C) multiple fruit
D) drupe
E) aggregate fruit

Question 39

The growth of a seed embryo without any dormancy is known as

A) apomixis.
B) parthenocarpy.
C) vivipary.
D) stratification.
E) after-ripening.

Question 40

In a young seedling the part of the stem below the cotyledons is called the

A) epicotyl.
B) hypocotyl.
C) plumule.
D) radicle.
E) coleoptile.

Question 41

After-ripening is a process of embryo development in a seed.

Question 42

The life cycle of flowering plants begins with seed germination and ends with a mature plant producing new seeds.

Question 43

Most wind-pollinated flowers lack corollas.

Question 44

Seeds germinate immediately after dormancy is removed regardless of temperature, the light environment, or the exclusion of oxygen.

Question 45

Dormancy may be caused by a strong, impervious seed coat, the presence of an inhibitor, or the lack of a germination promoter.

Question 46

Water-dispersed fruits often have pericarps that absorb water very slowly.

Question 47

The stem growing tip is nestled within the cotyledons and is pulled through the soil in a germinating bean seed (dicot) whereas the coleoptile surrounds the growing tip in germinating corn (monocot) seeds. Both strategies protect the delicate growing tip.

Question 48

Biennials are plants that complete their life cycles twice in one year.

Question 49

The dormancy of some seeds may be broken by placing them in a refrigerator for a few weeks.

Question 50

The organization of the flower and pollination of the flower is based on seed/fruit dispersal mechanism.

Question 51

Accessory fruits are little fruits that develop around a larger fruit.

Question 52

Of the two classes of flowering plants, monocots are the most common, comprising approximately 75% of all known flowering plants.

Question 53

Humidity changes play an important role in the dispersal of some seeds and fruits.

Question 54

Follicles, legumes, and capsules all split at maturity.

Question 55

All legumes release their seeds through an active splitting action.

Question 56

The pericarp is the single layer of tissue closest to the seed.

Question 57

When moisture enters a seed, a physical process called ________ causes the tissues to swell with tremendous expansion forces.

A) vivipary
B) imbibition
C) dehiscence
D) dehydration
E) osmosis

Question 58

In mature monocot and dicot seeds, the food-storing tissue is the endosperm.

Question 59

The hilum on a bean seed marks the spot where a radicle will emerge.