Plant Flashcards Part 1

Front 1

Which of the following statements is the most accurate description of fruits and seeds?

Select one:

a. Fruits are ripened ovaries containing seeds.

b. "Fruits" and "seeds" are synonymous terms.

c. All of the choices provided are incorrect.

d. Fruits have endosperm but seeds do not.

e. Fruits always have fleshy coverings and seeds always have hard ones.

Back 1

a. Fruits are ripened ovaries containing seeds.

Front 2

Endosperm is:

Select one:

a. sperm produced at the end of the flowering season

b. sperm cells enclosed within pollen grains

c. tissue stored in seeds that provides nutrition for embryos

d. sperm after it has entered the archegonium

e. sperm produced internally within antheridia

Back 2

c. tissue stored in seeds that provides nutrition for embryos

Front 3

Double fertilization is:

Select one:

a. fertilization of an egg by one sperm and of the nucleus of an endosperm-forming cell by another sperm

b. fertilization of an egg and an endosperm-forming cell by the same sperm

c. fertilization of an egg by two sperm

d. fertilization of two eggs by the same sperm

e. fertilization of two eggs in the same flower

Back 3

a. fertilization of an egg by one sperm and of the nucleus of an endosperm-forming cell by another sperm

Front 4

Which of the following is NOT a tracheophyte?

Select one:

a. a conifer

b. a liverwort

c. an oak tree

d. a horsetail

e. a fernFeedback

Back 4

b. a liverwort

Front 5

Which of the following are arranged in the sequence in which the various taxa first appeared in time?

Select one:

a. All the other choices provided are correct

b. prokaryotes, protists, charophyceans, mosses, ferns, conifers, flowering plants

c. bacteria, protists, charophyceans, liverworts, lycophytes, gnetophytes, angiosperms

d. Archaea, protists, charophyceans, mosses, ferns, conifers, flowering plants

e. bacteria, protists, charophyceans, mosses, cycads, angiosperms

Back 5

a. all the other choices provided are correct

Front 6

The conspicuous green patches of mosses that you see in the woods are mostly sporophytes.

Select one:

a. FALSE

b. TRUE

Back 6

a. FALSE

Front 7

The term angiosperm refers to:

Select one:

a. none of the other choices provided

b. the branching of vascular veins

c. the narrow sperm of angiosperms

d. the enclosure of the seed within a fruit

e. the presence of endosperm

Back 7

d. the enclosure of the seed within a fruit

Front 8

Which of the following statements is NOT true of megaspores?

Select one:

a. Megaspores produce female gametophytes.

b. Megaspores are diploid.

c. The cells of the walls of the megasporangium are diploid but the megaspores themselves are haploid.

d. A megaspore is a kind of spore of a seed plant.

e. Megaspores are larger than microspores.

FeedbackThe correct answer is: Megaspores are diploid.

Back 8

b. Megaspores are diploid

Front 9

Organisms in the same clade are:

Select one:

a. divergent

b. monophyletic

c. syntopic

d. polyphyletic

e. convergent

Back 9

b. monophyletic

Front 10

Which of the following statements best describes the attributes of Welwitschia mirabilis?

Select one:

a. It obtains most of its moisture from fog.

b. It is a gnetophyte.

c. It has all the attributes listed in the other choices.

d. It has only two leaves.

e. It lives under desert conditions.

Back 10

c. It has all the attributes listed in the other choices