Question 1

The whorl of a flower that consists of all petals is the

Accepted Answer

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

Question 2

External signals,such as disease,do NOT influence the development of a plant.

Accepted Answer

A) True 
 B)False

Question 3

Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light.It will flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower.Which of the following will trigger cocklebur to flower?

Accepted Answer

A)  short dark periods
B)  short light periods
C)  long light periods
D)  long dark periodsE) None of the above
F) A) and B)

Question 4

Cytokinins are produced in the root apical meristem and stimulate the growth of lateral buds.How do cytokinins reach the lateral buds?

Accepted Answer

A)  through the phloem
B)  through the xylem or phloem
C)  through the xylem
D)  by diffusion as a gas
E)  through the phloem or by diffusion as a gasF) A) and B)
G) B) and D)

Question 5

Cytokinins are plant hormones that stimulate the ripening of fruit.

Accepted Answer

A) True 
 B)False

Question 6

The main pollinators of flowers that have markings visible only under ultraviolet light are

Accepted Answer

A)  beetles.
B)  birds.
C)  bats and moths.
D)  bees.
E)  flies.F) D) and E)
G) A) and C)

Question 7

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",seeds passing through which animals were most likely to germinate?

Accepted Answer

A)  cactus mice only
B)  pack rats only
C)  both cactus mice and pack rats
D)  thrashers,cactus mice,and pack rats
E)  thrashers onlyF) A) and D)
G) A) and C)

Question 8

Reproduction of flowering plants

Accepted Answer

A)  relies upon wind to disperse seeds.
B)  relies upon wind to disperse pollen.
C)  All answers are correct.
D)  relies upon animals to disperse pollen.
E)  relies upon animals to disperse seeds.F) D) and E)
G) B) and E)

Question 9

For some species of succulents produce plantlets on an existing leaf,without fertilization,then

Accepted Answer

A)  plantlets are produced by pollination only.
B)  plantlets arise from sexual reproduction.
C)  plantlets arise from asexual reproduction.
D)  plantlets arise from meiotic cell divisions.
E)  each plantlet is genetically different.F) B) and D)
G) A) and E)

Question 10

You plant a seed in a pot containing soil,and then add water and place the pot under a light.In the first week,before the seedling even emerged from the soil,carbon dioxide levels increased in the closed chamber.The developing plant was using which of the following as a source of energy during this first week?

Accepted Answer

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

Question 11

Genetic and hormonal signals regulate the development of a plant.

Accepted Answer

A) True 
 B)False

Question 12

The whorl of a flower that consists of all the sepals is the

Accepted Answer

A)  stamen.
B)  stigma.
C)  calyx.
D)  carpel.
E)  corolla.F) B) and E)
G) All of the above

Question 13

In all major groups of multicellular organisms _______________ produces the cells that begin the haploid generation,and _________________ unites the gametes to begin the diploid generation.

Accepted Answer

A)  mitosis;pollination
B)  meiosis;fertilization
C)  pollination;fertilization
D)  fertilization;meiosis
E)  fertilization;mitosisF) A) and E)
G) B) and D)

Question 14

The resumption of growth and development after a period of seed dormancy is

Accepted Answer

A)  germination.
B)  fertilization.
C)  pollination.
D)  stagnation.
E)  transpiration.F) D) and E)
G) C) and D)

Question 15

Whorl four of a flower is made up of

Accepted Answer

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

Question 16

A tissue formed from a triploid nucleus and that stores food for the developing plant embryo is the

Accepted Answer

A)  endosperm.
B)  endoderm.
C)  mesosperm.
D)  mesoderm.
E)  microsporE.F) A) and C)
G) None of the above

Question 17

A seed's response to gravity is called

Accepted Answer

A)  thigmotropism.
B)  phototropism.
C)  organotropism.
D)  gravitropism.
E)  chemotropism.F) A) and B)
G) C) and D)

Question 18

All tropisms result from differential growth in which one side of the responding organ grows faster than the other.

Accepted Answer

A) True 
 B)False

Question 19

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",which animals were most likely to eat the hot peppers?

Accepted Answer

A)  cactus mice
B)  pack rats
C)  thrashers
D)  cactus mice and pack rats
E)  Thrashers,cactus mice,and pack rats all ate the peppers equally.F) A) and C)
G) None of the above

Question 20

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",the hypothesis being tested by the researchers is that peppers are hot

Accepted Answer

A)  to deter seed destroyers without affecting dispersers.
B)  to deter all animals from destroying the seeds.
C)  to promote dispersion when animals drop the hot fruit.
D)  for a reason unrelated to seed dispersal or destruction.
E)  to promote pollination of the peppers.F) A) and C)
G) A) and E)

Exam 22: Reproduction and Development of Flowering Plants

Cytokinins are plant hormones that stimulate the ripening of fruit.

Correct Answer
verified

A tissue formed from a triploid nucleus and that stores food for the developing plant embryo is the

Correct Answer
verified

The whorl of a flower that consists of all petals is the

Correct Answer
verified

For some species of succulents produce plantlets on an existing leaf,without fertilization,then

Correct Answer
verified

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",the hypothesis being tested by the researchers is that peppers are hot

Correct Answer
verified

A seed's response to gravity is called

Correct Answer
verified

Genetic and hormonal signals regulate the development of a plant.

Correct Answer
verified

In all major groups of multicellular organisms _ produces the cells that begin the haploid generation,and ___ unites the gametes to begin the diploid generation.

Correct Answer
verified

Cytokinins are produced in the root apical meristem and stimulate the growth of lateral buds.How do cytokinins reach the lateral buds?

Correct Answer
verified

Reproduction of flowering plants

Correct Answer
verified

Whorl four of a flower is made up of

Correct Answer
verified

The resumption of growth and development after a period of seed dormancy is

Correct Answer
verified

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",which animals were most likely to eat the hot peppers?

Correct Answer
verified

Correct Answer
verified

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",seeds passing through which animals were most likely to germinate?

Correct Answer
verified

The main pollinators of flowers that have markings visible only under ultraviolet light are

Correct Answer
verified

All tropisms result from differential growth in which one side of the responding organ grows faster than the other.

Correct Answer
verified

The whorl of a flower that consists of all the sepals is the

Correct Answer
verified

Correct Answer
verified

External signals,such as disease,do NOT influence the development of a plant.

Correct Answer
verified

Exam 22: Reproduction and Development of Flowering Plants

Cytokinins are plant hormones that stimulate the ripening of fruit.

Correct AnswerverifiedShow Answer

A tissue formed from a triploid nucleus and that stores food for the developing plant embryo is the

Correct AnswerverifiedShow Answer

The whorl of a flower that consists of all petals is the

Correct AnswerverifiedShow Answer

For some species of succulents produce plantlets on an existing leaf,without fertilization,then

Correct AnswerverifiedShow Answer

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",the hypothesis being tested by the researchers is that peppers are hot

Correct AnswerverifiedShow Answer

A seed's response to gravity is called

Correct AnswerverifiedShow Answer

Genetic and hormonal signals regulate the development of a plant.

Correct AnswerverifiedShow Answer

In all major groups of multicellular organisms _______________ produces the cells that begin the haploid generation,and _________________ unites the gametes to begin the diploid generation.

Correct AnswerverifiedShow Answer

Cytokinins are produced in the root apical meristem and stimulate the growth of lateral buds.How do cytokinins reach the lateral buds?

Correct AnswerverifiedShow Answer

Reproduction of flowering plants

Correct AnswerverifiedShow Answer

Whorl four of a flower is made up of

Correct AnswerverifiedShow Answer

The resumption of growth and development after a period of seed dormancy is

Correct AnswerverifiedShow Answer

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",which animals were most likely to eat the hot peppers?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In the section "Investigating Life: A Red Hot Chili Pepper Paradox",seeds passing through which animals were most likely to germinate?

Correct AnswerverifiedShow Answer

The main pollinators of flowers that have markings visible only under ultraviolet light are

Correct AnswerverifiedShow Answer

All tropisms result from differential growth in which one side of the responding organ grows faster than the other.

Correct AnswerverifiedShow Answer

The whorl of a flower that consists of all the sepals is the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

External signals,such as disease,do NOT influence the development of a plant.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In all major groups of multicellular organisms _ produces the cells that begin the haploid generation,and ___ unites the gametes to begin the diploid generation.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified