Question 1

Which of the following structures may be missing in a bisexual flower?

Accepted Answer

A)   carpels
B)   stamens
C)   sepals
D)   ovules
E)   anthersF) A) and B)
G) D) and E)

Question 2

The microspores develop into microgametophytes in the

Accepted Answer

A)   anther.
B)   filament.
C)   stigma.
D)   style.
E)   ovary.F) A) and D)
G) All of the above

Question 3

A fleshy fruit is more likely to use which of the following methods of seed dispersal?

Accepted Answer

A)   eaten by animals and seeds passed through feces
B)   blown by wind
C)   stuck to fur of mammal and carried
D)   fruit bursts when mature, spreading seeds outward
E)   drop and remain near parent plantF) A) and E)
G) C) and E)

Question 4

Plants undergo an alternation of generations. This means that the _____ produces spores, which develop into the _____.

Accepted Answer

A)   sporophyte; gametophyte
B)   gametophyte; sporophyte
C)   sporophyte; seeds
D)   flowers; gametophyte
E)   sporophyte; flowersF) A) and E)
G) A) and C)

Question 5

A root growing into the Earth is exhibiting negative gravitropism.

Accepted Answer

A) True 
 B)False

Question 6

Plant reproduction by tissue culture differs from reproduction by meristem culture because

Accepted Answer

A)   plants produced by meristem culture are clones, whereas tissue culture does not produce genetically identical plants.
B)   tissue culture requires cells from a plant's root system, whereas any cell of a plant may be used for meristem culture.
C)   tissue culture propagation produces clonal plants, whereas meristem culture produces plants that may be genetically different.
D)   tissue culture produces plants that are virus-free, whereas plants produced by meristem culture may not be virus-free.
E)   meristem culture requires removal of the plant cell walls, whereas tissue culture does not.F) B) and E)
G) A) and E)

Question 7

Which hormone is involved in a plant dropping the lower leaves as it grows taller?

Accepted Answer

A)   cytokinins
B)   gibberellins
C)   auxin
D)   ethylene
E)   abscisic acidF) C) and D)
G) A) and D)

Exam 21: Plant Responses and Reproduction

Plants undergo an alternation of generations. This means that the _ produces spores, which develop into the _.

Correct Answer
verified

Plant reproduction by tissue culture differs from reproduction by meristem culture because

Correct Answer
verified

A fleshy fruit is more likely to use which of the following methods of seed dispersal?

Correct Answer
verified

Which hormone is involved in a plant dropping the lower leaves as it grows taller?

Correct Answer
verified

A root growing into the Earth is exhibiting negative gravitropism.

Correct Answer
verified

The microspores develop into microgametophytes in the

Correct Answer
verified

Which of the following structures may be missing in a bisexual flower?

Correct Answer
verified

Exam 21: Plant Responses and Reproduction

Plants undergo an alternation of generations. This means that the _____ produces spores, which develop into the _____.

Correct AnswerverifiedShow Answer

Plant reproduction by tissue culture differs from reproduction by meristem culture because

Correct AnswerverifiedShow Answer

A fleshy fruit is more likely to use which of the following methods of seed dispersal?

Correct AnswerverifiedShow Answer

Which hormone is involved in a plant dropping the lower leaves as it grows taller?

Correct AnswerverifiedShow Answer

A root growing into the Earth is exhibiting negative gravitropism.

Correct AnswerverifiedShow Answer

The microspores develop into microgametophytes in the

Correct AnswerverifiedShow Answer

Which of the following structures may be missing in a bisexual flower?

Correct AnswerverifiedShow Answer

Plants undergo an alternation of generations. This means that the _ produces spores, which develop into the _.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified