Botany Chapter 39 Practice Test
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- 1.A process where a muliticellular diploid generation alternates with a multicellular halploid generation is...
- 2.Female gametophytes
- A.
Megaametophytes
- B.
Megasporangia
- C.
Microgametopytes
- D.
Microsporangia
- 3.Male gametophytes
- A.
Megagametopytes
- B.
Megasporangia
- C.
Microgametophytes
- D.
Microsporangia
- 4.Cross pollination is when pollen from an anther is transferred to a stigma of the same flower or plant
- A.
True
- B.
False
- 5.A male gametophyte has one pollen tube and 2 sperm cells
- A.
True
- B.
False
- 6.A stigma allows all genotypes to germinate
- A.
True
- B.
False
- 7.A pollen tube grows to ______, and through micropyle.
- 8.Pollination and fertilization are separate events/processes
- A.
True
- B.
False
- 9.A pollen tube grows downward on the inside of a style until it reaches an ovule
- A.
True
- B.
False
- 10.Pollen tubes deliver 1 sperm cells to ovules
- A.
True
- B.
False
- 11.A ______ endosperm- nutritive tissue
- A.
Diplid
- B.
Haplid
- C.
Triploid
- 12.A micropyle opening becomes a _______
- 13.In eudicots, globular embryo takes on a characteristic _____ stage form, and further elongation fives rise to the _____ stage.
- 14.Large amounts of what accumulate in the endosperm during seed formation
- A.
Starches
- B.
Lipids
- C.
Proteins
- D.
All of the above
- 15.Late in embryonic development the seed loses up to 75% of water content
- A.
True
- B.
False
- 16.Seeds develop from ovules
- A.
True
- B.
False
- 17.A ________ is the ovary wall or the surrounding of the seed
- 18.What kind of flower possess all 4 types of whorls (calyx, corolla, stamen, and carpels)
- A.
Perfect
- B.
Imperfect
- C.
Complete
- 19.A flower that lacks only one of the whorls is what kind of flower
- A.
Perfect
- B.
Incomplete
- C.
Imperfect
- 20.A flower that contains a stamen and carpels
- A.
Complete
- B.
Perfect
- C.
Incomplete
- 21.A monoecious plant has different homes (reside on different plants) for each sex
- A.
True
- B.
False
- 22.Flavonoids are responsible for color variations in a flower
- A.
True
- B.
False
- 23.Actinamorphia flowers have what kind of symmetry?
- A.
Radial
- B.
Lateral
- C.
Bilateral
- 24.Zygomoriphic flowers have what kind of symmetry?
- A.
Radial
- B.
Lateral
- C.
Bilateral
- 25.Flowers can occur singly or in clusters
- A.
True
- B.
False
- 26.Inflorescences attract __________ from a distance
- 27.The endosperm is the food source in plants during photosynthesis
- A.
True
- B.
False
- 28.What attaches below the cotledons
- A.
Epicotyl
- B.
Hypocotyl
- C.
Radicle
- 29.The epicotyl is the embryonic stem that attaches to cotyledons that will become an apical meristem
- A.
True
- B.
False
- 30.An epicotyl is enclosed by what
- A.
Coleoptile
- B.
Coleorhiza
- 31.An embryo root is enclosed by what?
- A.
Coleoptile
- B.
Coleorhiza
- 32.Abscisic acid helps to prevent what
- A.
Water loss
- B.
Water stress
- C.
Water retention
- 33.The endocarp is the skin of a fruit
- A.
True
- B.
False
- 34.What is the fleshy tissue in a fruit
- A.
Exocarp
- B.
Mesocarp
- C.
Endocarp
- 35.Is the endocarp the inner boundary around the seeds?
- A.
True
- B.
False
- 36.What type of fruit has a single seed enclosed by a hard stony endocarp/pit
- A.
Berry
- B.
Phome
- C.
Drupe
- 37.What type of fruit has a fleshy pericarp and contains more than one seed
- A.
Berry
- B.
Hesperidium
- C.
Pepo
- 38.What kind of fruit is the pumpkin family in?
- A.
Phome
- B.
Pepo
- C.
Hesperidium
- 39.What kind of fruits are berries with leathery skins with oils on them?
- A.
Pepo
- B.
Drupe
- C.
Hesperidium
- 40.What is an example of a phome?
- A.
A pear
- B.
An orange
- C.
A pumpkin
- 41.What kind of fruit is derived from several to many pistols that are fused at maturity?
- A.
Aggregate fruits
- B.
Multiple fruits
- 42.What kind of fruit is derived from multiple flowers in a single inflorescence?
- A.
Aggregate fruits
- B.
Multiple fruits
- 43.Nuts are a type of fruits
- A.
True
- B.
False
- 44.What type of fruit splits when it is mature? ie beans
- A.
Dehiscent
- B.
Indehiscent
- 45.Of the dehiscent fruits, what type splits along two sides/seams
- A.
Legumes
- B.
Siliques
- C.
Capsules
- 46.Of the dehiscent fruits, what type splits along 2 sides and has seeds on a central partition
- A.
Legumes
- B.
Capsules
- C.
Siliques
- 47.Of hte dehiscent fruits, what type splits along the partitions of the carpel's in various ways?
- A.
Capsules
- B.
Siliques
- C.
Legumes
- 48.The achene is the base of a seed that is attached to the pericarp
- A.
True
- B.
False
- 49.A maple leaf, like the ones dropped in lab, is an example of a samara
- A.
True
- B.
False
- 50.What type of seed has a pericarp tightly fused with seeds that cannot be separated
- A.
Schizocarp
- B.
Samara
- C.
Caryopsis
- 51.This is a dry fruit unique to the carrot/parsley family
- A.
Caryopsis
- B.
Samara
- C.
Schizocarp
- 52.Samaras use this type of dispersal
- A.
Animal
- B.
Wind
- C.
Water
- 53.Mammals aid in seed dispersal
- A.
True
- B.
False
- 54.Fruits frequently contain laxatives so that the seeds can be excreted after how many minutes
- A.
10
- B.
15
- C.
20
- D.
25
- 55.There are 4 types of dispersal
- A.
True
- B.
False
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