Question 1

From which structures do fruits arise?

Accepted Answer

A) flowers 
B) leaves 
C) stems 
D) roots 
E) apical meristems 
A) flowers 
B) leaves 
C) stems 
D) roots 
E) apical meristems

Question 2

A(n)______ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.

Accepted Answer

A) enzyme 
B) megaspore 
C) microspore 
D) hormone 
E) gametophyte 
A) enzyme 
B) megaspore 
C) microspore 
D) hormone 
E) gametophyte

Question 3

The whorl of a flower that consists of the female reproductive parts is the

Accepted Answer

A) carpel. 
B) calyx. 
C) stamen. 
D) stigma. 
E) corolla. 
A) carpel. 
B) calyx. 
C) stamen. 
D) stigma. 
E) corolla.

Question 4

Angiosperms are the most recent group of plants to evolve,yet they can live in a greater diversity of habitats than any other group of plants.Why are angiosperms able to survive in deserts,at the top of mountains,and in marsh habitats?

Accepted Answer

A) Fertilization is possible without water. 
B) Embryos can remain dormant until conditions are right for germination. 
C) Flowers attract animals to spread pollen. 
D) Fruits attract animals to spread seeds. 
E) All answers are correct. 
A) Fertilization is possible without water. 
B) Embryos can remain dormant until conditions are right for germination. 
C) Flowers attract animals to spread pollen. 
D) Fruits attract animals to spread seeds. 
E) All answers are correct.

Question 5

Global climate change has caused historically-tropical diseases to exist at higher latitudes.With new selection pressures,plants are likely to

Accepted Answer

A) carry out vegetative reproduction. 
B) produce genetically-varied offspring. 
C) form new individuals by mitotic cell division. 
D) form clones. 
E) change the environment. 
A) carry out vegetative reproduction. 
B) produce genetically-varied offspring. 
C) form new individuals by mitotic cell division. 
D) form clones. 
E) change the environment.

Question 6

Which of the following is a factor in the development of flowering plants?

Accepted Answer

A) All answers are correct. 
B) insects 
C) hormones 
D) gravity 
E) seasonal changes in temperature and light 
A) All answers are correct. 
B) insects 
C) hormones 
D) gravity 
E) seasonal changes in temperature and light

Question 7

Seedless watermelons come from seeds that are triploid and therefore do not develop properly and are simply soft hulls that are easy to chew.

Accepted Answer

A) True 
 B)False

Question 8

Whorl two of a flower is made up of

Accepted Answer

A) the petals. 
B) the female reproductive parts of a flower. 
C) the male reproductive parts of a flower. 
D) the sepals. 
E) the stem region. 
A) the petals. 
B) the female reproductive parts of a flower. 
C) the male reproductive parts of a flower. 
D) the sepals. 
E) the stem region.

Question 9

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.The developing seedling was using which of the following as a source of energy during this time?

Accepted Answer

A) water from the soil 
B) starch from the seed 
C) sugars from the soil 
D) nutrients from the soil 
E) light 
A) water from the soil 
B) starch from the seed 
C) sugars from the soil 
D) nutrients from the soil 
E) light

Question 10

Which of the following is NOT a variable in the reproduction of flowering plants?

Accepted Answer

A) hereditary information passed asexually 
B) hereditary information passed sexually 
C) hormones 
D) gravity 
E) seasonal changes in temperature and light 
A) hereditary information passed asexually 
B) hereditary information passed sexually 
C) hormones 
D) gravity 
E) seasonal changes in temperature and light

Question 11

The main pollinators of red flowers are

Accepted Answer

A) beetles. 
B) bees. 
C) birds. 
D) moths. 
E) bats. 
A) beetles. 
B) bees. 
C) birds. 
D) moths. 
E) bats.

Question 12

In plants,molecules that perceive the quality and quantity of light are

Accepted Answer

A) chemoreceptors. 
B) photoreceptors. 
C) mechanoreceptors. 
D) pressure receptors. 
E) gradient receptors. 
A) chemoreceptors. 
B) photoreceptors. 
C) mechanoreceptors. 
D) pressure receptors. 
E) gradient receptors.

Question 13

A sweet substance used by many angiosperms to lure pollinators is

Accepted Answer

A) pollen. 
B) honey. 
C) "honey dew." 
D) phloem sap. 
E) nectar. 
A) pollen. 
B) honey. 
C) "honey dew." 
D) phloem sap. 
E) nectar.

Question 14

Double fertilization reduces the energetic cost of reproduction.In gymnosperms,the female gametophyte stockpiles food for the embryo in advance of fertilization.The investment is wasted if no zygote ever forms.In contrast,double fertilization ensures that an angiosperm devotes energy to the zygote only if sperm fertilizes egg.What do the sperm fertilize in a double fertilization?

Accepted Answer

A) the egg 
B) two polar nuclei 
C) the egg and two polar nuclei 
D) the egg and zygote 
E) the zygote 
A) the egg 
B) two polar nuclei 
C) the egg and two polar nuclei 
D) the egg and zygote 
E) the zygote

Question 15

The egg-bearing structure of a flower is the

Accepted Answer

A) stigmA. 
B) ovary. 
C) style. 
D) anther. 
E) sepal. 
A) stigmA. 
B) ovary. 
C) style. 
D) anther. 
E) sepal.

Question 16

The size of a plant's seeds reflects an evolutionary trade-off.Large,heavy seeds contain ample nutrient reserves to fuel seedling growth but may not travel far.Small seeds,on the other hand,store limited nutrients but tend to disperse far and wide.The crops that humans cultivate typically have larger seeds than do their wild ancestors.Why would humans primarily cultivate plants with larger seeds?

Accepted Answer

A) The plants with smaller seeds can already spread easily. 
B) Smaller seeds are harder to collect. 
C) The plants with larger seeds grow better with added fertilizer. 
D) We eat the seeds. 
E) We cannot grow plants with smaller seeds. 
A) The plants with smaller seeds can already spread easily. 
B) Smaller seeds are harder to collect. 
C) The plants with larger seeds grow better with added fertilizer. 
D) We eat the seeds. 
E) We cannot grow plants with smaller seeds.

Question 17

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.Which of the following is true of this plant?

Accepted Answer

A) It is a diploid monocot. 
B) It is a diploid eudicot. 
C) It is a triploid eudicot. 
D) It is a triploid monocot. 
E) It is polyploid monocot or eudicot. 
A) It is a diploid monocot. 
B) It is a diploid eudicot. 
C) It is a triploid eudicot. 
D) It is a triploid monocot. 
E) It is polyploid monocot or eudicot.

Question 18

Where are floral megaspores produced?

Accepted Answer

A) anther 
B) ovule 
C) corolla 
D) sepal 
E) stigma 
A) anther 
B) ovule 
C) corolla 
D) sepal 
E) stigma

Question 19

A portion of a flower that is a green leaf-like structure that protects the inner floral parts is the

Accepted Answer

A) stigmA. 
B) style. 
C) sepal. 
D) anther. 
E) ovary. 
A) stigmA. 
B) style. 
C) sepal. 
D) anther. 
E) ovary.

Question 20

The number of similar anatomical parts called whorls that make up a flower is

Accepted Answer

A) one. 
B) two. 
C) three. 
D) four. 
E) fivE. 
A) one. 
B) two. 
C) three. 
D) four. 
E) fivE.

Exam 22: Reproduction and Development of Flowering Plants

From which structures do fruits arise?

A(n)______ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.

The whorl of a flower that consists of the female reproductive parts is the

Angiosperms are the most recent group of plants to evolve,yet they can live in a greater diversity of habitats than any other group of plants.Why are angiosperms able to survive in deserts,at the top of mountains,and in marsh habitats?

Global climate change has caused historically-tropical diseases to exist at higher latitudes.With new selection pressures,plants are likely to

Which of the following is a factor in the development of flowering plants?

Seedless watermelons come from seeds that are triploid and therefore do not develop properly and are simply soft hulls that are easy to chew.

Whorl two of a flower is made up of

Which of the following is NOT a variable in the reproduction of flowering plants?

The main pollinators of red flowers are

In plants,molecules that perceive the quality and quantity of light are

A sweet substance used by many angiosperms to lure pollinators is

The egg-bearing structure of a flower is the

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.Which of the following is true of this plant?

Where are floral megaspores produced?

A portion of a flower that is a green leaf-like structure that protects the inner floral parts is the

The number of similar anatomical parts called whorls that make up a flower is

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

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