Plant Unit Review

Question 1

Name four characteristics of ALL plants.

Answer 1

Multicellular, eukaryotic, autotrophic, and immobile

Question 2

What is the age of the oldest plant fossils?

Answer 2

450 million years old

Question 3

What is the dominant generation in bryophytes?

Answer 3

Gametophytes

Question 4

What is the dominant generation for vascular plants?

Answer 4

Sporophyte

Question 5

How many cotyledons do monocots have?

Answer 5

1

Question 6

How many cotyledons do dicots have?

Answer 6

2

Question 7

What are the leaf veins like in monocots?

Answer 7

Parallel

Question 8

What are the leaf veins like in dicots?

Answer 8

Net

Question 9

What are the stems like in monocots?

Answer 9

Vascular bundles scattered

Question 10

What are the stems like in dicots?

Answer 10

Vascular bundles in a ring

Question 11

What are roots in monocots?

Answer 11

Fibrous

Question 12

What are the roots in dicots?

Answer 12

Taproot

Question 13

What are the flowers in multiples of in monocots?

Answer 13

Multiples of 3

Question 14

What are the flowers in multiples of in dicots?

Answer 14

Multiples of 4 or 5

Question 15

What are nonvascular plants?

Answer 15

Plants without vascular tissues

Question 16

Examples of nonvascular plants.

Answer 16

Aka bryophytes

Ex. Mosses, liverworts, hornworts

Question 17

What are seedless vascular plants?

Answer 17

Plants with seeds but no vascular tissues

Question 18

Ex. Of seedless vascular plants.

Answer 18

Ferns, horsetails, club mosses

Question 19

Seed plant whose seeds aren’t enclosed in fruit

Answer 19

Gymnosperms

Question 20

Aka conifers, evergreens

Answer 20

Gymnosperms

Question 21

Ex. Of gymnosperms

Answer 21

Pines, spruces, firs, redwoods

Question 22

Seed plant that has seeds enclosed in some type of fruit

Answer 22

Angiosperm

Question 23

Aka flowering plants

Answer 23

Angiosperms

Question 24

Ex. Of angiosperms

Answer 24

Roses, sunflowers, fruit plants

Question 25

From what type of angiosperm do we get most grains?

Answer 25

Monocots

Question 26

What are the major types of seed dispersal mechanisms?

Answer 26

Wind-maple samaras, dandelion fur | Hitchhikers- sweet gum balls, burrs

Question 27

What do seedless vascular plants produce?

Answer 27

Spores

Question 28

Compare and contrast angiosperms and gymnosperms.

Answer 28

Similar- both sporophyte dominant generation/ both reproduce with seeds Different- angiosperms have 225,000 species and gymnosperms have 600 species/ angiosperms have flowers while gymnosperms have cones

Question 29

What are the two vascular tissues?

Answer 29

Xylem and phloem

Question 30

Transports water and nutrients UP from the roots to the rest if the plant

Answer 30

Xylem tissue

Question 31

Transports sugars from photosynthesis DOWN from leaves to rest of the plant

Answer 31

Phloem

Question 32

What is the function of roots?

Answer 32

Anchor plant and absorb water/nutrients

Question 33

What is the function of stems?

Answer 33

Support upright growth and connects roots and leaves

Question 34

What is the function of leaves?

Answer 34

Primary photosynthesis organ if vascular plants

Question 35

What is the main function of root hairs?

Answer 35

Increase surface area for water and mineral absorption

Question 36

How does fertilization occur in the flower of an angiosperm?

Answer 36

Pollen sticks to the stigma, travels down the shoe to the ovary where the ovules are fertilized (pollinated). The ovules will then develop into embryos within seeds.

Question 37

What do gametophyte plants produce?

Answer 37

Gametes

Question 38

What do sporophyte plants produce?

Answer 38

Spores

Question 39

What do plants take in and release?

Answer 39

In- carbon dioxide | Out- oxygen

Question 40

What is the study of plants?

Answer 40

Botany

Question 41

What are the parts of the stamen?

Answer 41

Anther and filament

Question 42

What are the parts of the pistil/carpal?

Answer 42

Stigma, style, ovary, and ovules in the ovary

Question 43

What is the stimulus of phototropism?

Answer 43

Light

Question 44

What is the stimulus of thigmotropism?

Answer 44

Touch/direct contact

Question 45

What is the stimulus of gravitropism?

Answer 45

Force of gravity(like roots)

Question 46

What is the name given to the life cycle of plants?

Answer 46

Alteration of generation

Question 47

Haploid or diploid- gametes

Answer 47

Haploid

Question 48

Haploid or diploid- zygote

Answer 48

Diploid

Question 49

Haploid or diploid- spores

Answer 49

Diploid

Question 50

Haploid or diploid- sporophyte

Answer 50

Diploid

Question 51

Haploid or diploid- gametophyte

Answer 51

Haploid

Question 52

What specific type of plant like protist is thought to be the ancestors of plants?

Answer 52

Green algae