Question 1

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.Where is this energy stored in a fertilized angiosperm?

Accepted Answer

A)  endosperm
B)  stigma
C)  zygote
D)  pollen
E)  eggF) B) and E)
G) A) and D)

Question 2

A seed is an embryo and its food supply is inside a seed coat.

Accepted Answer

A) True 
 B)False

Question 3

Abscisic acid is a plant hormone that activates a plant's defenses against predators.

Accepted Answer

A) True 
 B)False

Question 4

The type of fruit derived from one flower with many separate carpels is a(n) _____________ fruit.

Accepted Answer

A)  simple
B)  aggregate
C)  double
D)  axillary
E)  multipleF) B) and E)
G) A) and B)

Question 5

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.This indicated that _________ was occurring.

Accepted Answer

A)  photosynthesis
B)  cellular respiration
C)  sucrose production
D)  alcohol fermentation
E)  fertilizationF) None of the above
G) B) and D)

Exam 22: Reproduction and Development of Flowering Plants

Correct Answer
verified

A seed is an embryo and its food supply is inside a seed coat.

Correct Answer
verified

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.This indicated that _________ was occurring.

Correct Answer
verified

Abscisic acid is a plant hormone that activates a plant's defenses against predators.

Correct Answer
verified

The type of fruit derived from one flower with many separate carpels is a(n) _____________ fruit.

Correct Answer
verified

Exam 22: Reproduction and Development of Flowering Plants

Correct AnswerverifiedShow Answer

A seed is an embryo and its food supply is inside a seed coat.

Correct AnswerverifiedShow Answer

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.This indicated that _________ was occurring.

Correct AnswerverifiedShow Answer

Abscisic acid is a plant hormone that activates a plant's defenses against predators.

Correct AnswerverifiedShow Answer

The type of fruit derived from one flower with many separate carpels is a(n) _____________ fruit.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified