FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 23: Reproduction and Development of Flowering Plants

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 41

Multiple Choice

Review LaterAdd Note

Review Later

Clones are:

A) Offspring that are produced sexually and are genetically identical to their parent
B) Offspring that are genetically identical to their parent
C) Produced by asexual reproduction
D) Offspring that are produced asexually and are genetically identical to their parent
E) Produced by sexual reproduction

F) All of the above
G) A) and B)

Correct Answer

verified

Show Answer

Question 42

Multiple Choice

Review LaterAdd Note

Review Later

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

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 gas

F) D) and E)
G) A) and B)

Correct Answer

verified

Show Answer

Question 43

Multiple Choice

Review LaterAdd Note

In the late 1870s Charles Darwin and his son Francis discovered that if the tip of the grass was covered,phototropism did not occur,even though the rest of the grass was exposed to light.However,if the rest of the plant was covered and only the tip exposed to light the grass bent a few centimeters below the tip.How could light striking the tip of the grass cause bending a few centimeters from the tip?

Where are floral microspores located?

The sporophyte generation of a plant is _________________ and produces ___________________ spores.

A directional response to touch exhibited by plants is called:

A region of separation that forms near the base of the leaf's petiole when the leaf is shed is the:

The pollen-producing body of a flower is the:

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

You plant a seed into a pot containing some 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?

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

In the late 1870s Charles Darwin and his son Francis discovered that if the tip of the grass was covered,phototropism did not occur,even though the rest of the grass was exposed to light.However,if the rest of the plant was covered and only the tip exposed to light the grass bent a few centimeters below the tip.Which of the following was sensing the light?

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?

You plant a seed into a pot containing some 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?

The aging of a plant is called:

The egg-bearing structure of a flower is the:

What hypothesis were the researchers testing to explain why peppers are hot?

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.Why is the production of seeds an advantage?

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

The main pollinators of flowers that are easy to locate at night are: