Deck 8: Flowers, Fruits, and Seeds

Question 1

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

Answer 1

E

Question 2

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

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

Answer 2

C

Question 3

Most grasses, trees and 'weeds' are flowering plants that produce ______________ flowers.

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

Answer 3

D

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

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 6

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.

Question 7

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

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

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

Each flower develops from a

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

Question 10

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

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

Question 11

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 12

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 13

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 14

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 15

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 16

The parts of a flower that eventually become seeds are

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

Question 17

Pollen is produced in and released from the

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

Question 18

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 19

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 20

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 21

The skin of most fruits is technically the

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

Question 22

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 23

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 24

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

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

Question 25

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 26

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 27

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 28

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 29

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 30

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

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

Question 31

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 32

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

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

Question 33

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 34

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 35

The fleshy edible part of the strawberry is actually the

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

Question 36

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 37

A berry with a leathery skin containing oils is called a

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

Question 38

An example of an aggregate fruit would be the

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

Question 39

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 40

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 41

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

Question 42

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

Question 43

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

Question 44

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

Question 45

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

Question 46

Follicles, legumes, and capsules all split at maturity.

Question 47

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

Question 48

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

Question 49

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

Question 50

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

Question 51

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

Question 52

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 53

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

Question 54

Most wind-pollinated flowers lack corollas.

Question 55

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

Question 56

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

Question 57

All legumes release their seeds through an active splitting action.

Question 58

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 59

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