Question 1

Which process occurs when a grapevine wraps around a trellis or another supporting structure?

Accepted Answer

A)  photoperiodism 
B)  thigmotropism 
C)  gravitropism 
D)  phototropism 
A)  photoperiodism 
B)  thigmotropism 
C)  gravitropism 
D)  phototropism

Question 2

What effect does pruning flowers have on a plant?

Accepted Answer

A)  The plant will make more flowers than normal. 
B)  The new flowers that grow will be larger. 
C)  The plant will produce more leaves. 
D)  The plant will produce fruits instead of flowers. 
A)  The plant will make more flowers than normal. 
B)  The new flowers that grow will be larger. 
C)  The plant will produce more leaves. 
D)  The plant will produce fruits instead of flowers.

Question 3

Which action allows a plant to conserve water?

Accepted Answer

A)  increasing photosynthesis during the day 
B)  opening stomata only at night 
C)  possessing large leaves 
D)  developing wide vessel elements 
A)  increasing photosynthesis during the day 
B)  opening stomata only at night 
C)  possessing large leaves 
D)  developing wide vessel elements

Question 4

What is the tendency of water molecules to stick together?

Accepted Answer

A)  cohesion 
B)  adhesion 
C)  tension 
D)  transpiration 
A)  cohesion 
B)  adhesion 
C)  tension 
D)  transpiration

Question 5

What can a person do to the topmost leaves and buds, resulting in reduced apical dominance in order to make a shrub bushier?

Accepted Answer

A)  deadhead 
B)  harden 
C)  pinch back 
D)  translocate 
A)  deadhead 
B)  harden 
C)  pinch back 
D)  translocate

Question 6

-Whereas vessel elements produce ________ friction on the flow of water than tracheids, they result in ________.

Accepted Answer

A)  more; a reduced risk of an embolism 
B)  less; a greater risk of an embolism 
C)  more; reduced rates of water loss from leaves during a drought 
D)  less; the prevention of water loss from leaves during a drought 
A)  more; a reduced risk of an embolism 
B)  less; a greater risk of an embolism 
C)  more; reduced rates of water loss from leaves during a drought 
D)  less; the prevention of water loss from leaves during a drought

Question 7

What is the tendency of a plant's uppermost bud to limit the growth of lower buds? (two words)

Accepted Answer

The answer of What is the tendency of a plant's...

Question 8

What is the cold tolerance of a plant called?

Accepted Answer

A)  photoperiodism 
B)  persistence 
C)  hardiness 
D)  apical dominance 
A)  photoperiodism 
B)  persistence 
C)  hardiness 
D)  apical dominance

Question 9

Which plant performs C₄ photosynthesis?

Accepted Answer

A)  pineapple 
B)  sugarcane 
C)  jade plant 
D)  oak tree 
A)  pineapple 
B)  sugarcane 
C)  jade plant 
D)  oak tree

Question 10

Which structures are the water-conducting cells in mosses?

Accepted Answer

A)  xylem cells 
B)  vessel elements 
C)  tracheids 
D)  hydroids 
A)  xylem cells 
B)  vessel elements 
C)  tracheids 
D)  hydroids

Question 11

In which direction would translocation occur in a pine tree?

Accepted Answer

A)  from the roots to the needles 
B)  from pinecones to the roots 
C)  from the sugar source to the sink 
D)  from the sugar sink to the source 
A)  from the roots to the needles 
B)  from pinecones to the roots 
C)  from the sugar source to the sink 
D)  from the sugar sink to the source

Question 12

In plants, what are embolisms?

Accepted Answer

A)  toxic acids produced when stomata are closed and it's sunny 
B)  formations of ice crystals when a plant is subjected to below-freezing temperatures 
C)  hormones that result in apical dominance 
D)  air bubbles that form within xylem 
A)  toxic acids produced when stomata are closed and it's sunny 
B)  formations of ice crystals when a plant is subjected to below-freezing temperatures 
C)  hormones that result in apical dominance 
D)  air bubbles that form within xylem

Question 13

Plants that have undergone a gradual cooling period and are able to resist cold environmental temperatures are referred to as ________.

Accepted Answer

The answer of Plants that have undergone a gradual cooling...

Question 14

What type of force moves water up a tree, from its roots to its leaves?

Accepted Answer

A)  pushing 
B)  pulling 
C)  pumping 
D)  positive pressure 
A)  pushing 
B)  pulling 
C)  pumping 
D)  positive pressure

Question 15

Where would you expect a plant with the largest leaves to grow?

Accepted Answer

A)  in sunny conditions 
B)  in shady sites 
C)  in dry conditions 
D)  in very sandy soils 
A)  in sunny conditions 
B)  in shady sites 
C)  in dry conditions 
D)  in very sandy soils

Question 16

What is the purpose for the process of deadheading?

Accepted Answer

A)  It decreases the duration of flowering in an annual plant. 
B)  It removes fruits and seeds from plants when they're mature. 
C)  It allows the plant to produce and support more flowers than normal. 
D)  It reduces the amount of water needed by the plant. 
A)  It decreases the duration of flowering in an annual plant. 
B)  It removes fruits and seeds from plants when they're mature. 
C)  It allows the plant to produce and support more flowers than normal. 
D)  It reduces the amount of water needed by the plant.

Question 17

Why DON'T water molecules located within a column of xylem sap move apart?

Accepted Answer

A)  Cohesion holds the water molecules to each other; adhesion holds water molecules to the cellulose in plant cell walls. 
B)  Adhesion holds the water molecules to each other; tension holds water molecules to the cellulose in plant cell walls. 
C)  Tension holds the water molecules to each other; cohesion holds water molecules to the cellulose in plant cell walls. 
D)  Adhesion holds the water molecules to each other; cohesion holds water molecules to the cellulose in plant cell walls. 
A)  Cohesion holds the water molecules to each other; adhesion holds water molecules to the cellulose in plant cell walls. 
B)  Adhesion holds the water molecules to each other; tension holds water molecules to the cellulose in plant cell walls. 
C)  Tension holds the water molecules to each other; cohesion holds water molecules to the cellulose in plant cell walls. 
D)  Adhesion holds the water molecules to each other; cohesion holds water molecules to the cellulose in plant cell walls.

Question 18

What type of plants live for one year?

Accepted Answer

A)  annuals 
B)  biennials 
C)  perennials 
D)  woody plants 
A)  annuals 
B)  biennials 
C)  perennials 
D)  woody plants

Question 19

What is the response of a plant to the proportion of light and dark in a day?

Accepted Answer

The answer of What is the response of a plant...

Question 20

What would plants living in areas with moist soils be most likely to have?

Accepted Answer

A)  many narrow, tapering tracheids 
B)  lots of wide, perforated vessel elements 
C)  frequent embolisms and loss of tension 
D)  reduced transpiration rates 
A)  many narrow, tapering tracheids 
B)  lots of wide, perforated vessel elements 
C)  frequent embolisms and loss of tension 
D)  reduced transpiration rates

Exam 25: Growing a Green Thumb: Plant Physiology

Which process occurs when a grapevine wraps around a trellis or another supporting structure?

What effect does pruning flowers have on a plant?

Which action allows a plant to conserve water?

What is the tendency of water molecules to stick together?

What can a person do to the topmost leaves and buds, resulting in reduced apical dominance in order to make a shrub bushier?

-Whereas vessel elements produce ________ friction on the flow of water than tracheids, they result in ________.

What is the tendency of a plant's uppermost bud to limit the growth of lower buds? (two words)

What is the cold tolerance of a plant called?

Which plant performs C₄ photosynthesis?

Which structures are the water-conducting cells in mosses?

In which direction would translocation occur in a pine tree?

In plants, what are embolisms?

Plants that have undergone a gradual cooling period and are able to resist cold environmental temperatures are referred to as ________.

What type of force moves water up a tree, from its roots to its leaves?

Where would you expect a plant with the largest leaves to grow?

What is the purpose for the process of deadheading?

Why DON'T water molecules located within a column of xylem sap move apart?

What type of plants live for one year?

What is the response of a plant to the proportion of light and dark in a day?

What would plants living in areas with moist soils be most likely to have?

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-Whereas vessel elements produce friction on the flow of water than tracheids, they result in .