Nature of Seedless and Seed Plants

Question 1

define bryophytes

Answer 1

seedless non-vascular plants

Question 2

define seedless plants

Answer 2

plants which reproduce by spores rather than seeds

ex: ferns

Question 3

define angiosperms

Answer 3

flower producing plant

Question 4

define gymnosperm

Answer 4

naked seed

-seeds are exposed on the scales of the female pine cones to the environment

Question 5

define gametophyte

Answer 5

the plant form that produces sperm and eggs

Question 6

define sporophyte

Answer 6

a larger diploid plant that arises from a diploid zygote that is formed by the fusion of haploid gametes to the archegonium

Question 7

define haploid

Answer 7

having a single set of unpaired chromosomes

Question 8

define diploid

Answer 8

containing two sets of chromosomes, one from each parent

Question 9

define alternation of generations

Answer 9

the observation of a gametophyte as it proceeds to produce haploid gametes that fuse to form a diploid sporophyte

Question 10

Is the gametophyte haploid or diploid?

Answer 10

haploid

Question 11

how many years ago did plants first appear on the fossil record?

Answer 11

475 million years ago

Question 12

Is the spore haploid or diploid?

Answer 12

haploid

Question 13

the gametophyte differentiates into

Answer 13

antheridium (male) and archegonium (female)

Question 14

Is the antheridium haploid or diploid?

Answer 14

haploid

Question 15

Is the archegonium haploid or diploid?

Answer 15

haploid

Question 16

The _____ grows inside the ______.

Answer 16

sporophyte

archegonium

Question 17

The sporophyte forms

Answer 17

sori/sorus

Question 18

The sori/sorus produces

Answer 18

spores for next generation

Question 19

gametophytes of seed-producing plants develop gametes in the form of

Answer 19

pollen and ovules in the ovaries

Question 20

What is preformed in the diploid embryo sporophyte of a seed-producing plant?

Answer 20

the diploid embryos

Question 21

what serves as food for the embryo sporophyte?

Answer 21

triploid set of tissues

Question 22

gymnosperm division are

Answer 22

the evergreen trees

Question 23

the microspore multiples by _____ ______ to produce ______ that contains a ______________ and ____________.

Answer 23

mitotic division

pollen

pollen tube nucleus

2 sperm nuclei

Question 24

the megaspore divides by ______ to produce the ____ ________ that contains one _______________ and _______________.

Answer 24

mitosis

female gametophyte

1 haploid egg cell

2 haploid polar nuclei

Question 25

What produces the endosperm?

Answer 25

the triploid endosperm nucleus

Question 26

What is the endosperm?

Answer 26

food for the cotyledons of the seed

Question 27

Examples of monocots

Answer 27

grasses
sorghum
bamboo
sugarcane
iris 
tulips
daffodils
crocus
lilies

Question 28

Examples of dicots

Answer 28

forb weeds
vegetables - beans, peppers, tomatoes
shrubs
trees - fruit, nut, hardwoods