Quiz about SC 120N: ch5

Question 1

Which of the following is not a floral organ?

Accepted Answer

D. Leaves

Answer

A. Sepals

Answer

B. Petals

Answer

C. Stamens

Question 2

The female reproductive part of a flower is the:

Accepted Answer

B. Pistil/Carpel

Answer

A. Stamen

Answer

C. Sepal

Answer

D. Anther

Question 3

The male reproductive organ of a flower is called the:

Accepted Answer

B. Stamen

Answer

A. Ovule

Answer

C. Corolla

Answer

D. Filament

Question 4

The collective term for sepals is:

Accepted Answer

A. Calyx

Answer

B. Corolla

Answer

C. Androecium

Answer

D. Gynoecium

Question 5

The collective term for petals is:

Accepted Answer

B. Corolla

Answer

A. Calyx

Answer

C. Perianth

Answer

D. Pistil

Question 6

A gynoecium can be composed of:

Accepted Answer

A. 1 or more carpels

Answer

B. Only one carpel

Answer

C. Stamens

Answer

D. Sepals

Question 7

What are the two main parts of a stamen?

Accepted Answer

A. Anther and filament

Answer

B. Style and stigma

Answer

C. Ovary and ovule

Answer

D. Corolla and calyx

Question 8

Flowers that have both male and female organs are called:

Accepted Answer

C. Perfect

Answer

A. Dioecious

Answer

B. Monoecious

Answer

D. Imperfect

Question 9

Flowers that lack either stamens or pistils are called:

Accepted Answer

D. Imperfect

Answer

A. Complete

Answer

B. Incomplete

Answer

C. Perfect

Question 10

In a monocot flower, parts are typically in:

Accepted Answer

A. 3s or multiples of 3

Answer

B. 4s or multiples of 4

Answer

C. 5s or multiples of 5

Answer

D. 6s or multiples of 6

Question 11

In alternation of generations, spores are:

Accepted Answer

B. Haploid

Answer

A. Diploid

Answer

C. Triploid

Answer

D. Tetraploid

Question 12

Meiosis in plants reduces chromosome number from:

Accepted Answer

A. Diploid to haploid

Answer

B. Haploid to diploid

Answer

C. Tetraploid to diploid

Answer

D. Triploid to haploid

Question 13

In flowering plants, meiosis occurs in:

Accepted Answer

A. The anthers and ovules

Answer

B. The petals

Answer

C. The calyx

Answer

D. The roots

Question 14

What is the main purpose of meiosis?

Accepted Answer

B. To produce haploid gametes for reproduction

Answer

A. To create genetically identical cells

Answer

C. To repair damaged cells

Answer

D. To duplicate chromosomes

Question 15

How many chromosomes are in a human haploid cell?

Accepted Answer

B. 23

Answer

A. 46

Answer

C. 92

Answer

D. 12

Question 16

What type of cells are produced by mitosis?

Accepted Answer

A. Genetically identical cells

Answer

B. Haploid gametes

Answer

C. Sperm and egg cells

Answer

D. Unique daughter cells

Question 17

During meiosis I, homologous chromosomes:

Accepted Answer

A. Pair up and separate

Answer

B. Replicate DNA

Answer

C. Remain together

Answer

D. Form identical copies

Question 18

Which process increases genetic variation during meiosis?

Accepted Answer

A. Crossing over

Answer

B. Cytokinesis

Answer

C. Chromosome duplication

Answer

D. Telophase

Question 19

During what phase do homologous chromosomes line up at the equatorial plane?

Accepted Answer

A. Metaphase I

Answer

B. Anaphase I

Answer

C. Prophase I

Answer

D. Telophase II

Question 20

How many daughter cells are produced by the end of meiosis?

Accepted Answer

B. 4

Answer

A. 2

Answer

C. 6

Answer

D. 8

Question 21

Each gamete contains how many sets of chromosomes?

Accepted Answer

A. One set (haploid)

Answer

B. Two sets (diploid)

Answer

C. Three sets

Answer

D. Four sets

Question 22

Which of the following is nonvascular and dominant in the gametophyte stage?

Accepted Answer

A. Mosses

Answer

B. Ferns

Answer

C. Gymnosperms

Answer

D. Angiosperms

Question 23

What do seedless vascular plants produce instead of seeds?

Accepted Answer

A. Spores

Answer

B. Pollen

Answer

C. Flowers

Answer

D. Fruits

Question 24

Gymnosperms are characterized by which feature?

Accepted Answer

A. Naked seeds

Answer

B. Flowers and fruits

Answer

C. Dominant gametophyte

Answer

D. No vascular tissue

Question 25

Which plant group has flowers and fruits for reproduction?

Accepted Answer

B. Angiosperms

Answer

A. Gymnosperms

Answer

C. Ferns

Answer

D. Mosses

Question 26

What type of cell division produces genetically identical daughter cells?

Accepted Answer

A. Mitosis

Answer

B. Meiosis I

Answer

C. Meiosis II

Answer

D. Crossing over

Question 27

Which event occurs during prophase I of meiosis?

Accepted Answer

A. Homologous chromosomes pair and crossing over occurs

Answer

B. Chromosomes line up at the equator

Answer

C. Chromosomes move to opposite poles

Answer

D. Cytokinesis divides the cell

Question 28

What is the diploid chromosome number in humans?

Accepted Answer

A. 46

Answer

B. 23

Answer

C. 92

Answer

D. 12

Question 29

Which floral organ produces pollen?

Accepted Answer

B. Stamen

Answer

A. Sepal

Answer

C. Carpel

Answer

D. Petal

Question 30

What is the function of petals in most flowers?

Accepted Answer

B. To attract pollinators

Answer

A. To support the ovary

Answer

C. To store nutrients

Answer

D. To produce seeds

Question 31

The collective term for all sepals of a flower is called the:

Accepted Answer

A. Calyx

Answer

B. Corolla

Answer

C. Perianth

Answer

D. Androecium

Question 32

The androecium of a flower consists of which structures?

Accepted Answer

B. Stamens and anthers

Answer

A. Carpels and ovules

Answer

C. Petals and sepals

Answer

D. Stigmas and styles

Question 33

If a flower has petals in multiples of three, it is most likely a:

Accepted Answer

B. Monocot

Answer

A. Dicot

Answer

C. Gymnosperm

Answer

D. Nonvascular plant

Question 34

Flowers with all four floral parts (sepals, petals, stamens, carpels) are called:

Accepted Answer

A. Complete flowers

Answer

B. Perfect flowers

Answer

C. Incomplete flowers

Answer

D. Imperfect flowers

Question 35

Which of the following describes a monoecious plant?

Accepted Answer

B. Male and female flowers on the same plant

Answer

A. Flowers with neither stamens nor carpels

Answer

C. Only female flowers on one plant

Answer

D. Only male flowers on one plant

Question 36

Grass flowers that lack both sepals and petals are examples of:

Accepted Answer

A. Incomplete flowers

Answer

B. Perfect flowers

Answer

C. Dioecious flowers

Answer

D. Regular flowers

Question 37

An apple flower has an inferior ovary. Its floral arrangement is:

Accepted Answer

A. Epigynous

Answer

B. Hypogynous

Answer

C. Perigynous

Answer

D. Azygous

Question 38

A flower that can only be divided into equal halves by one plane is:

Accepted Answer

A. Irregular

Answer

B. Regular

Answer

C. Complete

Answer

D. Perfect

Question 39

Which type of inflorescence has small flowers attached directly to a single axis without stalks?

Accepted Answer

A. Spike

Answer

B. Panicle

Answer

C. Umbel

Answer

D. Head

Question 40

Which term describes a single flower cluster enclosed in an urn-shaped receptacle, as in figs?

Accepted Answer

A. Syconium

Answer

B. Catkin

Answer

C. Panicle

Answer

D. Umbel

Question 41

The fig and its wasp pollinator represent an example of:

Accepted Answer

A. Coevolution

Answer

B. Parasitism

Answer

C. Mutual avoidance

Answer

D. Symmetry

Question 42

Which term refers to the collective female reproductive structures of a flower?

Accepted Answer

A. Gynoecium

Answer

B. Perianth

Answer

C. Corolla

Answer

D. Calyx

Question 43

What are the green leafy structures of a typical flower the covers the unopened flower bud?

Accepted Answer

sepals

Answer

petals

Answer

stamens

Answer

carpels

Question 44

Which of the following is the correct sequence of floral structures from the outside to the inside of a typical flower?

Accepted Answer

calyx, corolla, androecium, gynoecium

Answer

androecium, calyx, corolla, gynoecium

Answer

calyx, corolla, gynoecium, androecium

Answer

corolla, calyx, androecium, gynoecium

Question 45

Together, the calyx and corollas constitute which of the following:

Accepted Answer

perianth

Answer

gynoecium

Answer

anther

Answer

filament

Question 46

What would you find between the sepals and the stamen of a typical complete flower?

Accepted Answer

the corolla

Answer

the calyx

Answer

the gynoecium

Answer

the androecium

Question 47

All of the following except one are parts of a typical carpel. Choose the exception.

Accepted Answer

filament

Answer

style

Answer

stigma

Answer

ovary

Question 48

Sepals, the outermost whorl of leaf-like structures that cover the unopened flower bud are usually which of the following:

Accepted Answer

green and photosynthetic

Answer

dead parenchyma and collenchyma

Answer

green and cyanotic

Answer

green and toxic

Question 49

What are breaking tulips?

Accepted Answer

tulips with unpredictable stripes of vivid color against a contrasting background

Answer

tulips with bulbs that shatter on planting

Answer

tulips with pedicels that split along a seam

Answer

tulips with bulbs that split leading to more than one flower per bulb

Question 50

Flowers that have all four floral appendages are called which of the following:

Accepted Answer

complete

Answer

incomplete

Answer

angiosperms

Answer

gymnosperms

Question 51

What does the virus that causes the breaking of tulips do to cause this effect?

Accepted Answer

suppresses the expression of reds and blues in some perianth cells but not others

Answer

infects the phloem and reduce the flow of sucrose to the bulbs

Answer

causes the cloning of cells similar to cancer

Answer

creates holes in the phloem allowing for the leakage of sap that attracts aphids who then create tunnels to the bulbs

Question 52

Which of the following statements is not correct?

Accepted Answer

A flower can be both complete and imperfect.

Answer

A flower can be both incomplete and perfect.

Answer

A flower can be both incomplete and imperfect.

Answer

A flower can be both complete and perfect.

Question 53

A plant with imperfect flowers has which of the following?

Accepted Answer

lacks either stamens or carpels

Answer

stamens and carpels but lacks either sepals or petals

Answer

lacks either stamens, carpels, sepals, or petals

Answer

problems adjusting

Question 54

Which of the following becomes a fruit?

Accepted Answer

the ovary

Answer

the entire flower

Answer

the carpel

Answer

the anther

Question 55

The ________ of a flower produce eggs while the ________ of the flower produce sperm.

Accepted Answer

ovary, anther

Answer

style, filament

Answer

stigma, anther

Answer

style, stigma

Question 56

You find a flower that is dioecious, hypogenous, and zygomorphic. Which of the following statements would be the correct interpretation of this information?

Accepted Answer

The flower has one sex, a superior ovary, and bilateral symmetry.

Answer

The flower has both sexes, an inferior ovary, and bilateral symmetry.

Answer

The flower has one sex, an inferior ovary, and bilateral symmetry.

Answer

The flower has both sexes, a superior ovary, and radial symmetry.

Question 57

Lilies have a diploid number of 24. After meiosis, how many chromosomes do each of the gametes have?

Accepted Answer

12

Answer

24

Answer

48

Answer

16

Question 58

Which of the following does not describe inflorescence types?

Accepted Answer

all of the above

Answer

spike

Answer

raceme

Answer

panicle and umbel

Question 59

Regular flowers (actinomorphic) have radial symmetry and include all but which of the following?

Accepted Answer

orchid

Answer

sunflower

Answer

daffodil

Answer

lily

Question 60

Which of the following plant structures (or forms) are not haploid?

Accepted Answer

sporophytes

Answer

spores

Answer

gametophytes

Answer

gametes

Question 61

When in meiosis is the haploid condition established?

Accepted Answer

after the first cytokinesis

Answer

after the second cytokinesis

Answer

between metaphase II and anaphase II

Answer

between telophase II and the second cytokinesis

Question 62

In what stage of meiosis do homologous chromosomes separate?

Accepted Answer

anaphase I

Answer

metaphase I

Answer

metaphase II

Answer

anaphase II

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