Question 1

Why are apple trees propagated asexually?

Accepted Answer

A) the process is much easier than growing them from seeds 
B) it is the only way to grow the same reliable quality of apple 
C) asexual propagation introduces genetic variation that makes the trees hardier 
D) asexually propagated apple trees are more disease resistant 
E) more than one of these is the reason why apple trees are asexually propagated 
A) the process is much easier than growing them from seeds 
B) it is the only way to grow the same reliable quality of apple 
C) asexual propagation introduces genetic variation that makes the trees hardier 
D) asexually propagated apple trees are more disease resistant 
E) more than one of these is the reason why apple trees are asexually propagated

Question 2

Almost all houseplants, woody ornamentals, and orchard trees are clones grown from ____of a parent plant.

Accepted Answer

A) root fragments 
B) stem fragments 
C) leaves 
D) pollinated flowers 
E) seeds 
A) root fragments 
B) stem fragments 
C) leaves 
D) pollinated flowers 
E) seeds

Question 3

In a monocot seed, what is the fate of the coleoptile?

Accepted Answer

A) it becomes the stem 
B) it becomes the root 
C) it stops growing 
D) it becomes the cotyledon 
E) it becomes the hypocotyl 
A) it becomes the stem 
B) it becomes the root 
C) it stops growing 
D) it becomes the cotyledon 
E) it becomes the hypocotyl

Question 4

The apples from the apple trees Johnny Appleseed sold to homesteaders were mainly used to make ____.

Accepted Answer

A) pies 
B) apple juice 
C) hard cider 
D) jam 
E) sauce 
A) pies 
B) apple juice 
C) hard cider 
D) jam 
E) sauce

Question 5

Of all the plant hormones, which one is a gas?

Accepted Answer

A) auxin 
B) cytokinin 
C) gibberellin 
D) ethylene 
E) abscisic acid 
A) auxin 
B) cytokinin 
C) gibberellin 
D) ethylene 
E) abscisic acid

Question 6

To which of the following is a megaspore most closely and completely related?

Accepted Answer

A) female gametophyte 
B) seed 
C) ovule 
D) egg 
E) endosperm 
A) female gametophyte 
B) seed 
C) ovule 
D) egg 
E) endosperm

Question 7

Which of the following develops into a seed?

Accepted Answer

A) megaspore 
B) ovary 
C) egg 
D) ovule 
E) anther 
A) megaspore 
B) ovary 
C) egg 
D) ovule 
E) anther

Question 8

The zygote produced during double fertilization is ____.

Accepted Answer

A) diploid 
B) tetraploid 
C) polyploid 
D) triploid 
E) haploid 
A) diploid 
B) tetraploid 
C) polyploid 
D) triploid 
E) haploid

Question 9

Photoperiodism is the ____.

Accepted Answer

A) duration of flowering in a plant 
B) amount of light needed by a plant to exhibit normal growth 
C) biological response of a plant to a change in the length of daylight relative to darkness 
D) light phase of photosynthesize during which photolysis of water occurs 
E) time of the day when light shines with the most intensity 
A) duration of flowering in a plant 
B) amount of light needed by a plant to exhibit normal growth 
C) biological response of a plant to a change in the length of daylight relative to darkness 
D) light phase of photosynthesize during which photolysis of water occurs 
E) time of the day when light shines with the most intensity

Question 10

Match between columns
                        Premises: Which stage is indicated by label 7?

Accepted Answer

The Answer of four haploid ( n )microspores form by is...

Question 11

In monocots cultivated for human consumption, such as wheat, rye, and barley, what part of the seed contains most of the minerals and fiber?

Accepted Answer

A) cotyledon 
B) endosperm 
C) embryo 
D) seed coat 
E) coleoptile 
A) cotyledon 
B) endosperm 
C) embryo 
D) seed coat 
E) coleoptile

Question 12

The term used to describe the cloning of an entire plant from a single cell is ____.

Accepted Answer

A) sexual meiosis 
B) tissue culture propagation 
C) reduced integration 
D) germination mitosis 
E) phototropism 
A) sexual meiosis 
B) tissue culture propagation 
C) reduced integration 
D) germination mitosis 
E) phototropism

Question 13

What is the first step in seed germination?

Accepted Answer

A) emergence of the embryonic root 
B) diffusion of water into the seed 
C) hydrolysis of starch 
D) meristem cells divide rapidly 
E) cotyledons emerge from the seed 
A) emergence of the embryonic root 
B) diffusion of water into the seed 
C) hydrolysis of starch 
D) meristem cells divide rapidly 
E) cotyledons emerge from the seed

Question 14

The plant hormone that coordinates the effects of other plant hormones during development of shoots and roots is ____.

Accepted Answer

A) auxin 
B) gibberellin 
C) cytokinin 
D) abscisic acid 
E) ethylene 
A) auxin 
B) gibberellin 
C) cytokinin 
D) abscisic acid 
E) ethylene

Question 15

Match between columns
                        Premises: Which stage is indicated by label 5?

Accepted Answer

The Answer of uneven cytoplasmic divisions produce a seven-celled female is...

Question 16

If peach trees growing in specific mild climates of the southern United States do not receive about 850 hours of temperatures below 40 degrees, they will not produce flowers in the spring. This is explained by which of the following terms?

Accepted Answer

A) photoperiodism 
B) phototropism 
C) senescence 
D) vernalization 
E) dormancy 
A) photoperiodism 
B) phototropism 
C) senescence 
D) vernalization 
E) dormancy

Question 17

Match between columns
                        Premises: The whorl of petals; indicated by label 3.

Accepted Answer

The Answer of stamen and carpel and corolla and receptacle is...

Question 18

The embryonic shoot and root are separated by a tiny section of embryonic stem, called the ____.

Accepted Answer

A) plumule 
B) hypocotyl 
C) radicle 
D) cotyledon 
E) coleoptile 
A) plumule 
B) hypocotyl 
C) radicle 
D) cotyledon 
E) coleoptile

Question 19

In the tropisms with which it is involved, auxin causes ____.

Accepted Answer

A) rapid cell division 
B) hardening of cell walls 
C) cell elongation 
D) increased plasma membrane permeability 
E) increased protein synthesis 
A) rapid cell division 
B) hardening of cell walls 
C) cell elongation 
D) increased plasma membrane permeability 
E) increased protein synthesis

Question 20

The plant louse Phylloxera was responsible for destroying ____ in Europe.

Accepted Answer

A) orange groves 
B) orchards 
C) potato fields 
D) vineyards 
E) corn crops 
A) orange groves 
B) orchards 
C) potato fields 
D) vineyards 
E) corn crops

Exam 28: Plant Reproduction and Development

Why are apple trees propagated asexually?

Almost all houseplants, woody ornamentals, and orchard trees are clones grown from ____of a parent plant.

In a monocot seed, what is the fate of the coleoptile?

The apples from the apple trees Johnny Appleseed sold to homesteaders were mainly used to make ____.

Of all the plant hormones, which one is a gas?

To which of the following is a megaspore most closely and completely related?

Which of the following develops into a seed?

The zygote produced during double fertilization is ____.

Photoperiodism is the ____.

In monocots cultivated for human consumption, such as wheat, rye, and barley, what part of the seed contains most of the minerals and fiber?

The term used to describe the cloning of an entire plant from a single cell is ____.

What is the first step in seed germination?

The plant hormone that coordinates the effects of other plant hormones during development of shoots and roots is ____.

If peach trees growing in specific mild climates of the southern United States do not receive about 850 hours of temperatures below 40 degrees, they will not produce flowers in the spring. This is explained by which of the following terms?

The embryonic shoot and root are separated by a tiny section of embryonic stem, called the ____.

In the tropisms with which it is involved, auxin causes ____.

The plant louse Phylloxera was responsible for destroying ____ in Europe.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

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