Plant Reproduction

Question 1

Mother microspores ultimately give rise to _______.

Answer 1

four pollen grains

Question 2

Gymnosperms undergo ______ fertilization.

Answer 2

single

Question 3

In vascular plants, the _______ is the dominant phase of the lifecycle.

Answer 3

sporophyte

Question 4

The _______ helps to protect the unopened bud.

Answer 4

calyx

Question 5

During ______, an ovule or ovary can give rise to a seed without fertilization occuring.

Answer 5

apomixis

Question 6

Fruit trees are _____ species that flower yearly.

Answer 6

polycarpic

Question 7

The kalanchoe can reproduce asexually by _______.

Answer 7

bud-bearing leaves

Question 8

The developing seedling relies on food reserves stored in the ______ until it can perform photosynthesis itself.

Answer 8

cotyledons

Question 9

The _______ protects the emerging primary shoot.

Answer 9

coleoptile

Question 10

True fruit develops from the ________.

Answer 10

ovary

Question 11

When a flower fertilizes a different flower on the same plant ______ has occured.

Answer 11

self-pollination

Question 12

________ often pollinate night blooming flowers.

Answer 12

bats

Question 13

Seed dispersal is necessary to ________.

Answer 13

reduce resource competition

Question 14

The gametophyte stage of plants produces which of the following:

Answer 14

haploid gametes

Question 15

If a flower is hermaphroditic then which of the following two components must it possess.

Answer 15

the androecium and the gynoecium

Question 16

In the female reproductive systems of angiosperms, which of the following processes occurs last?

Answer 16

megagametogenesis

Question 17

In gymnosperms, the female gametophyte is contained within the ______.

Answer 17

archegonium

Question 18

The sporophyte develops from the ________.

Answer 18

diploid zygote

Question 19

The gynoecium is composed of ________.

Answer 19

the stigma, style, and ovary

Question 20

The _______ allows the pollen tube to enter the embryo sac for fertilization.

Answer 20

micropyle

Question 21

Monocots and dicots differ in the number of _________.

Answer 21

sepals and petals

Question 22

Gladiolus and garlic reproduce asexually using a _______.

Answer 22

corm

Question 23

The aging process in plants is known as ______.

Answer 23

senescence

Question 24

Asexual reproduction works best in ______.

Answer 24

stable environments

Question 25

Fruit trees are _____ species that flower yearly.

Answer 25

polycarpic

Question 26

When double fertilization has taken place in a plant what is the end result?

Answer 26

a diploid zygote and a triploid endosperm

Question 27

What is found in developing monocot seeds but not dicot?

Answer 27

an endosperm

Question 28

The developing seedling relies on food reserves stored in the ________ until it can perform photosynthesis itself.

Answer 28

cotyledons

Question 29

Usually, the fleshy edible part of a fruit comes from the ________.

Answer 29

mesocarp

Question 30

The sole purpose of a fruit is ________.

Answer 30

seed dispersal

Question 31

_________ occurs when orchids are brightly colored and perfumed but contain no nectar.

Answer 31

food deception

Question 32

______ species have male and female flowers on different plants.

Answer 32

dioecious

Question 33

The _______ protects the emerging primary shoot.

Answer 33

coleoptile

Question 34

During apomixis, a plant can _____ without fertilization occurring.

Answer 34

give rise to a seed

Question 35

Some seeds require vernalization to __________.

Answer 35

guarantee they do not germinate in the winter.

Question 36

In angiosperms, mature __________ are released from the anther.

Answer 36

pollen grains

Question 37

Perennials have a lifecycle of _________.

Answer 37

two years or more

Question 38

The gametophyte produces ________ by ________.

Answer 38

haploid gametes ; mitosis

Question 39

The sole purpose of a __________ is seed dispersal.

Answer 39

fruit

Question 40

__________ undergo single fertilization.

Answer 40

gymnosperms

Question 41

Multiple fruits develop from ________.

Answer 41

an inflorescence

Question 42

The stigma, style and ovary are contained in the _________ .

Answer 42

gynoecium

Question 43

The __________ relies on food reserves stored in the cotyledons until it can perform photosynthesis itself.

Answer 43

developing seed

Question 44

_________ is commonly used in the grape industry.

Answer 44

grafting