Question 1

Alternation of generations means that a diploid sporophyte produces haploid spores by meiosis and a haploid gametophyte produces gametes by mitosis.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not part of the female portion of the flower?

Accepted Answer

A)   filament
B)   carpel
C)   pistil
D)   stigma
E)   styleF) A) and C)
G) B) and E)

Question 3

Which of these associations is NOT correct?

Accepted Answer

A)   plumule-leaves
B)   radicle-roots
C)   seed coat-ovary wall
D)   cotyledons-stored food
E)   hypocotyl-stemF) C) and E)
G) B) and C)

Question 4

Asexual reproduction in plants does NOT involve

Accepted Answer

A)   daughter plants being genetically identical to the parent plant.
B)   the production of gametes.
C)   a portion of one plant giving rise to a completely new plant.
D)   vegetative propagation.
E)   the use of runners.F) B) and C)
G) B) and D)

Question 5

Which of the following is NOT true concerning plant tissue culture?

Accepted Answer

A)   New plants can be cultivated from any existing plant cell.
B)   Most plant cells are totipotent, meaning an entire plant can be produced from one cell.
C)   Hormones can be used to cause the production of shoots from tissue.
D)   Plants can be produced from shoot tips, leaves, and anthers.
E)   Foreign genes such as those from other plants or even animals can be inserted into plant cells.F) C) and D)
G) B) and E)

Question 6

The function of endosperm is to

Accepted Answer

A)   form the seedling.
B)   develop the fruit.
C)   provide water to the embryo.
D)   provide nutrients to the embryo.
E)   provide a protective coating for the embryo.F) B) and C)
G) B) and D)

Question 7

Plant hormones bring about a physiological response in the plant after binding to the nucleus of the plant cells.

Accepted Answer

A) True 
 B)False

Question 8

Which substance will help in seed germination and indicates to the plant that the stem must elongate to reach the light?

Accepted Answer

A)   cytokinins
B)   ethylene
C)   auxin
D)   agent orange
E)   phytochromeF) None of the above
G) A) and D)

Question 9

How are potato plants propagated?

Accepted Answer

A)   by "eyes" (a bud) 
B)   by runners
C)   by pollen
D)   by flowers
E)   by protoplastsF) C) and D)
G) B) and C)

Question 10

When you eat an apple,the core left over is the ovary.

Accepted Answer

A) True 
 B)False

Question 11

A friend complains that all of her houseplants have bent stems.You examine the plants and find that their stems all curve toward the light.What would you recommend to your friend to correct the problem?

Accepted Answer

A)   Apply an auxin to the shady side of the stems.
B)   Water the plants more frequently.
C)   Apply gibberellins to the bases of the stems.
D)   Turn each plant occasionally.
E)   Repot the plants.F) D) and E)
G) C) and E) D

Question 12

After a seed has been produced,it often has a time during which no growth occurs called

Accepted Answer

A)   pre-germination.
B)   senescence.
C)   suspended animation.
D)   dormancy.
E)   hibernation.F) C) and D)
G) A) and D)

Question 13

A flower that is missing the stamens would be considered female.

Accepted Answer

A) True 
 B)False

Question 14

Cross-pollination occurs when pollen from an anther of one plant is transferred to the stigma of another plant of the same species.

Accepted Answer

A) True 
 B)False  True

Question 15

Which structure of the eudicot embryo within a seed is NOT correctly identified?

Accepted Answer

A)   The radicle is the embryonic root.
B)   A cotyledon is a seed leaf.
C)   The endosperm is the nutrient source for the embryo.
D)   The epicotyl is the shoot above the attachment of the cotyledons.
E)   The hypocotyl is the embryo plant below the attachment of the cotyledons.F) A) and D)
G) C) and D) C

Question 16

A seed does NOT contain the

Accepted Answer

A)   embryo.
B)   endosperm.
C)   seed coat.
D)   ovary.
E)   developing sporophyte.F) All of the above
G) B) and D)

Question 17

The megaspore divides mitotically,resulting in a female gametophyte or embryo sac that differentiates into an egg and a central cell with two nuclei called the

Accepted Answer

A)   generative cell.
B)   pollen grain.
C)   microspores.
D)   endosperm.
E)   polar nuclei.F) A) and E)
G) C) and E)

Question 18

Which of the following methods of reproduction is NOT asexual?

Accepted Answer

A)   runners and stolons
B)   rhizomes
C)   cuttings
D)   grafting and suckers
E)   floweringF) B) and E)
G) C) and E)

Question 19

Which of the following is arranged in proper order?

Accepted Answer

A)   fertilization  →\rarr→  pollination  →\rarr→ seed formation  →\rarr→  germination
B)   seed formation  →\rarr→  fertilization  →\rarr→  germination  →\rarr→  pollination
C)   pollination  →\rarr→  fertilization  →\rarr→ seed formation  →\rarr→  germination
D)   germination  →\rarr→  seed formation  →\rarr→  fertilization  →\rarr→ pollination
E)   pollination  →\rarr→  fertilization  →\rarr→  germination  →\rarr→  seed formation F) B) and C)
G) None of the above

Question 20

Explain the various uses of gibberellins in the agricultural industry.

Accepted Answer

Gibberellins are growth-producing hormon...

Exam 10: Plant Reproduction and Responses

Alternation of generations means that a diploid sporophyte produces haploid spores by meiosis and a haploid gametophyte produces gametes by mitosis.

Correct AnswerverifiedShow Answer

Which of the following is not part of the female portion of the flower?

Correct AnswerverifiedShow Answer

Which of these associations is NOT correct?

Correct AnswerverifiedShow Answer

Asexual reproduction in plants does NOT involve

Correct AnswerverifiedShow Answer

Which of the following is NOT true concerning plant tissue culture?

Correct AnswerverifiedShow Answer

The function of endosperm is to

Correct AnswerverifiedShow Answer

Plant hormones bring about a physiological response in the plant after binding to the nucleus of the plant cells.

Correct AnswerverifiedShow Answer

Which substance will help in seed germination and indicates to the plant that the stem must elongate to reach the light?

Correct AnswerverifiedShow Answer

How are potato plants propagated?

Correct AnswerverifiedShow Answer

When you eat an apple,the core left over is the ovary.

Correct AnswerverifiedShow Answer

A friend complains that all of her houseplants have bent stems.You examine the plants and find that their stems all curve toward the light.What would you recommend to your friend to correct the problem?

Correct AnswerverifiedD

After a seed has been produced,it often has a time during which no growth occurs called

Correct AnswerverifiedShow Answer

A flower that is missing the stamens would be considered female.

Correct AnswerverifiedShow Answer

Cross-pollination occurs when pollen from an anther of one plant is transferred to the stigma of another plant of the same species.

Correct AnswerverifiedTrue

Which structure of the eudicot embryo within a seed is NOT correctly identified?

Correct AnswerverifiedC

A seed does NOT contain the

Correct AnswerverifiedShow Answer

The megaspore divides mitotically,resulting in a female gametophyte or embryo sac that differentiates into an egg and a central cell with two nuclei called the

Correct AnswerverifiedShow Answer

Which of the following methods of reproduction is NOT asexual?

Correct AnswerverifiedShow Answer

Which of the following is arranged in proper order?

Correct AnswerverifiedShow Answer

Explain the various uses of gibberellins in the agricultural industry.

Correct AnswerverifiedGibberellins are growth-producing hormon...View AnswerShow Answer

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D

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True

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C

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Gibberellins are growth-producing hormon...
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