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Biology 2015

Sylvia S. Mader, Michael Windelspecht

Chapter 27

Flowering Plants: Reproduction

Educators

BL
MJ

Problem 1

In plants,

a. a gamete becomes a gametophyte.
b. a spore becomes a sporophyte.
c. both sporophyte and gametophyte produce spores.
d. only a sporophyte produces spores.
e. Both a and b are correct.

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Problem 2

The flower part that contains ovules is the

a. carpel. b. stamen. c. sepal. d. petal.

Grant C.
Numerade Educator

Problem 3

The megaspore and the microspore mother cells

a. both produce pollen grains.
b. both divide meiotically.
c. both divide mitotically.
d. produce pollen grains and embryo sacs, respectively.
e. All of these are correct.

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Problem 4

A pollen grain is

a. a 3n structure.
b. a diploid structure.
c. first a diploid and then a haploid structure.
d. first a haploid and then a diploid structure.
e. the male gametophyte.

Grant C.
Numerade Educator

Problem 5

Bat-pollinated flowers

a. are colorful.
b. are open throughout the day.
c. are strongly scented.
d. have little scent.
e. Both b and c are correct.

Delete T.
Numerade Educator

Problem 6

Which of these pairs is incorrectly matched?

a. polar nuclei—plumule
b. egg and sperm—zygote
c. ovule—seed
d. ovary—fruit
e. stigma—carpel

Grant C.
Numerade Educator

Problem 7

Heart, torpedo, and globular refer to

a. embryo development.
b. sperm development.
c. female gametophyte development.
d. seed development.
e. Both b and d are correct.

Priya M.
Numerade Educator

Problem 8

A seed contains

a. a seed coat.
b. an embryo.
c. stored food
d. cotyledon(s).
e. All of these are correct.

Grant C.
Numerade Educator

Problem 9

Fruits

a. nourish embryo development.
b. help with seed dispersal.
c. signal gametophyte maturity.
d. attract pollinators.
e. stay where they are produced.

MJ
Melissa J.
Numerade Educator

Problem 10

Which of the following is a simple, dry, and dehiscent fruit?
a. apple
b. tomato
c. walnut
d. pineapple
e. legume pod

Grant C.
Numerade Educator

Problem 11

Fruit dispersal can be accomplished by

a. seeds.
b. embryos.
c. pollen.
d. clones.
e. ovules.

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Problem 12

Asexual reproduction produces
a. seeds.
b. embryos.
c. pollen.
d. clones.
e. ovules.

Grant C.
Numerade Educator

Problem 13

Plant tissue culture takes advantage of

a. a difference in flower structure.
b. sexual reproduction.
c. gravitropism.
d. phototropism.
e. totipotency.

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Problem 14

Cell suspension culture is used to

a. extract chemicals.
b. clone vegetative organs.
c. produce pollen.
d. increase genetic diversity.

Grant C.
Numerade Educator