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Biology

Eldra Solomon, Linda Berg, Diana W. Martin

Chapter 26

The Plant Kingdom: Seedless Plants - all with Video Answers

Educators

Chapter Questions

01:37

Problem 1

The bryophytes (a) include mosses, liverworts, and hornworts (b) include whisk ferns, horsetails, and club mosses (c) are small plants that lack a vascular system (d) both a and c (e) both b and c.

KP
Karenza Pearson
Numerade Educator
02:40

Problem 2

The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallus.

KP
Karenza Pearson
Numerade Educator
01:19

Problem 3

A strengthening compound found in cell walls of vascular plants is (a) xanthophyll (b) lignin (c) cutin (d) cellulose (e) carotenoid.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
01:48

Problem 4

Stomata (a) help prevent desiccation of plant tissues (b) transport water and minerals through plant tissues (c) allow gas exchange for photosynthesis (d) strengthen cell walls (e) produce male gametes.

KP
Karenza Pearson
Numerade Educator
02:04

Problem 5

The female gametangium, or ______________, produces an egg; the male gametangium, or ______________, produces sperm cells. (a) antheridium; archegonium (b) archegonium; megaphyll (c) megasporangium; antheridium (d) archegonium; antheridium (e) megasporangium; megaphyll.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
03:53

Problem 6

Liverworts and hornworts share life cycle similarities with (a) ferns (b) mosses (c) horsetails (d) club mosses (e) whisk ferns.

Anand Jangid
Anand Jangid
Numerade Educator
02:14

Problem 7

The green, gametangia-bearing moss plant (a) is the gametophyte generation (b) is the sporophyte generation (c) is called a protonema (d) contains cells with single large chloroplasts (e) both b and c.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
01:39

Problem 8

Seedless vascular plants have ______________ to conduct water and dissolved minerals and ______________ to conduct dissolved sugar. (a) cuticle; xylem (b) phloem; stoma (c) phloem; xylem (d) stoma; cuticle (e) xylem; phloem.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
02:05

Problem 9

Whisk ferns, horsetails, and club mosses share life cycle similarities with (a) ferns (b) mosses (c) hornworts (d) liverworts (e) b, c, and d.

Anand Jangid
Anand Jangid
Numerade Educator
02:28

Problem 10

A(an) ______________ is a leaf that arose from a branch system. (a) antheridium (b) microphyll (c) megaphyll (d) sorus (e) microspore.

KP
Karenza Pearson
Numerade Educator
01:33

Problem 11

These plants have vascularized stems but lack true roots and leaves. (a) mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornworts.

KP
Karenza Pearson
Numerade Educator
01:00

Problem 12

These plants have hollow, jointed stems that are impregnated with silica. (a) mosses (b) club mosses (c) horsetails (d) whisk ferns (e) hornworts.

KP
Karenza Pearson
Numerade Educator
02:27

Problem 13

Spike moss (Selaginella) is a (a) homosporous fern (b) homosporous horsetail (c) heterosporous fern (d) heterosporous horsetail (e) heterosporous club moss.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
02:17

Problem 14

Which of the following statements about ferns is not true? (a) Ferns have motile sperm cells that swim through water to the egg-containing archegonium. (b) Ferns are vascular plants. (c) Ferns are the most economically important group of bryophytes. (d) The fern sporophyte consists of a rhizome, roots, and fronds. (e) The diversity of ferns is greatest in the tropics.

KP
Karenza Pearson
Numerade Educator
01:53

Problem 15

Plants probably descended from a group of green algae called (a) rhyniophytes (b) Calamites (c) epiphytes (d) charophytes (e) club mosses.

KP
Karenza Pearson
Numerade Educator
02:54

Problem 16

Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generations.

KP
Karenza Pearson
Numerade Educator
02:42

Problem 17

In plant life cycles (a) the first products of meiosis are gametes (b) spores are part of the diploid sporophyte generation (c) the embryo gives rise to a zygote (d) the first stage in the diploid sporophyte generation is the zygote (e) the first stage in the haploid gametophyte generation is the prothallus.

KP
Karenza Pearson
Numerade Educator
01:27

Problem 18

Ferns are (a) seedless, vascular plants (b) vascular plants with seeds (c) seedless, nonvascular plants (d) nonvascular plants with seeds (e) seedless plants with a dominant gametophyte generation.

Sirisa Reddy
Sirisa Reddy
Numerade Educator
01:43

Problem 19

Microphylls (a) probably evolved from stem branches that gradually filled in with additional tissues (b) are usually small and have a single vascular strand (c) are characteristics of club mosses (d) both a and $c$ (e) both b and $c$.

Sirisa Reddy
Sirisa Reddy
Numerade Educator