Question 1

Home gardeners who grow tomatoes are often told to pinch off axillary buds at nodes to prevent the plants from becoming too bushy.This is consistent with most tomato plants being which of the following?

Accepted Answer

A)  monocots
B)  determinate
C)  eudicots
D)  indeterminateE) C) and D)
F) B) and D)

Question 2

In the section "Investigating Life: The Hidden Cost of Traps",how does a non-carnivorous plant normally obtain nutrients like nitrogen and phosphorus?

Accepted Answer

A)  from the soil through its roots
B)  from animals through its pitcher
C)  from the air through its leaves
D)  from the sun through photosynthesis
E)  from the rain through its leavesF) A) and B)
G) B) and D)

Question 3

When preparing slides to look at mitosis,the tips of onion roots are a good source of cells because they contain ______ where mitosis is taking place consistently.

Accepted Answer

A)  vascular tissue
B)  dermal tissue
C)  All answers are correct.
D)  apical meristem
E)  endodermisF) A) and B)
G) A) and D)

Question 4

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

Accepted Answer

A)  The vascular bundles are in a ring just under the bark.
B)  The vascular bundles are scattered throughout the ground tissue.
C)  Monocots don't have vascular bundles.
D)  Eudicots don't have vascular bundles.
E)  Grasses have taproots.F) C) and E)
G) A) and D)

Question 5

Using organic matter such as manure or compost for fertilizer

Accepted Answer

A)  improves fertility.
B)  aerates the soil.
C)  increases the water holding capacity of the soil.
D)  provides food for beneficial soil microorganisms.
E)  All answers are correct.F) B) and E)
G) A) and E)

Question 6

Soybeans will have several hundred Rhizobium nodules per plant and may divert 20-30 percent of their energy,generated by photosynthesis,to the nodule instead of to other plant functions when the nodule is actively fixing nitrogen.Which of the following best describes Rhizobium?

Accepted Answer

A)  a soil fungus that grows within the root
B)  a parasitic plant that grows within the root
C)  a soil bacterium that grows within the root
D)  a virus that grows within the root
E)  a mycelium that grows within the rootF) A) and E)
G) B) and E) C

Question 7

The haustorium is a modified root that penetrates into the xylem and/or phloem of another plant.With this information,one can deduce that haustorium are roots of

Accepted Answer

A)  all photosynthetic plants.
B)  parasitic plants.
C)  carnivorous plants.
D)  mycorrhizal fungi.
E)  woody plants.F) B) and E)
G) All of the above

Question 8

In a deciduous tree found in the north,which two seasons would contribute to tree rings?

Accepted Answer

A)  spring and summer
B)  spring and fall
C)  winter and spring
D)  winter and summer
E)  summer and fallF) A) and C)
G) B) and E)

Question 9

What letter corresponds to the primary location where carbohydrates such as sucrose are produced?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  GF) C) and E)
G) A) and D)

Question 10

Swollen regions of underground stems that store starch are

Accepted Answer

A)  stomatA.
B)  tubers.
C)  always parasitiC.
D)  rhizomes.
E)  tendrils.F) A) and D)
G) A) and C)

Question 11

The primary organ of photosynthesis in a plant is the

Accepted Answer

A)  leaf.
B)  stomata.
C)  bark.
D)  stem.
E)  chlorophyll.F) C) and D)
G) A) and B)

Question 12

Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

Accepted Answer

A) True 
 B)False  False

Question 13

You drive a nail into a tree that is 10 feet tall,so that 5 inches of the nail are showing.You come back 10 years later.The tree is now 30 feet tall and only 3 inches of the nail are showing.This is because the tree grows out from

Accepted Answer

A)  the lateral meristem only.
B)  the apical meristem only.
C)  both the lateral and apical meristems.
D)  the root tip.
E)  the nodE.F) A) and B)
G) A) and C)

Question 14

Nitrogen,in useful form for cells,is made available to plants

Accepted Answer

A)  through their stomatA.
B)  through their leaves.
C)  through their roots.
D)  through their roots and leaves.
E)  through their stomata and leaves.F) C) and E)
G) None of the above

Question 15

The evaporation of water from the leaf of a plant is

Accepted Answer

A)  totally prevented by the leaf's cuticle.
B)  not affected by temperature.
C)  condensation.
D)  transpiration.
E)  precipitation.F) A) and E)
G) B) and E) D

Question 16

"N" is the chemical symbol for

Accepted Answer

A)  nickel.
B)  neon.
C)  nitrogen.
D)  magnesium.
E)  copper.F) B) and C)
G) C) and E)

Question 17

The root cap

Accepted Answer

A)  protects the meristem from abrasion.
B)  is located at the tip of the root.
C)  secretes a lubricant for the growing root.
D)  plays a role in sensing gravity.
E)  All answers are correct.F) All of the above
G) A) and C)

Question 18

Which of the following is not a function of the root of a plant?

Accepted Answer

A)  Anchor the plant.
B)  Produce energy that the plant can use to carry out metabolism.
C)  Absorb water.
D)  Absorb mineral nutrients for the plant.
E)  Form beneficial relationships with microorganisms,thereby increasing the plant's ability to obtain nutrients.F) A) and C)
G) A) and E)

Question 19

How does sap move from the sieve tube into a sink?

Accepted Answer

A)  by a pump
B)  by pressure
C)  by gravity
D)  by osmosis
E)  by active transportF) A) and B)
G) A) and C)

Question 20

Water,proteins,lipids,carbohydrates,and nucleic acids make up most of the plant body and are composed primarily of N,C,H,O,and P.Therefore,N,C,H,O,and P are

Accepted Answer

A)  macronutrients
B)  micronutrients
C)  products of photosynthesis
D)  reactants of photosynthesis
E)  heavy metalsF) A) and B)
G) A) and C)

Exam 21: Plant Form and Function

Home gardeners who grow tomatoes are often told to pinch off axillary buds at nodes to prevent the plants from becoming too bushy.This is consistent with most tomato plants being which of the following?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The Hidden Cost of Traps",how does a non-carnivorous plant normally obtain nutrients like nitrogen and phosphorus?

Correct AnswerverifiedShow Answer

When preparing slides to look at mitosis,the tips of onion roots are a good source of cells because they contain ______ where mitosis is taking place consistently.

Correct AnswerverifiedShow Answer

One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree.The tree will typically survive that growing season,but will die over the winter.Why wouldn't girdling work on a large grass?

Correct AnswerverifiedShow Answer

Using organic matter such as manure or compost for fertilizer

Correct AnswerverifiedShow Answer

Soybeans will have several hundred Rhizobium nodules per plant and may divert 20-30 percent of their energy,generated by photosynthesis,to the nodule instead of to other plant functions when the nodule is actively fixing nitrogen.Which of the following best describes Rhizobium?

Correct AnswerverifiedC

The haustorium is a modified root that penetrates into the xylem and/or phloem of another plant.With this information,one can deduce that haustorium are roots of

Correct AnswerverifiedShow Answer

In a deciduous tree found in the north,which two seasons would contribute to tree rings?

Correct AnswerverifiedShow Answer

What letter corresponds to the primary location where carbohydrates such as sucrose are produced?

Correct AnswerverifiedShow Answer

Swollen regions of underground stems that store starch are

Correct AnswerverifiedShow Answer

The primary organ of photosynthesis in a plant is the

Correct AnswerverifiedShow Answer

Chemically,nutrients from inorganic fertilizers are not equivalent to nutrients from manure or compost.

Correct AnswerverifiedFalse

You drive a nail into a tree that is 10 feet tall,so that 5 inches of the nail are showing.You come back 10 years later.The tree is now 30 feet tall and only 3 inches of the nail are showing.This is because the tree grows out from

Correct AnswerverifiedShow Answer

Nitrogen,in useful form for cells,is made available to plants

Correct AnswerverifiedShow Answer

The evaporation of water from the leaf of a plant is

Correct AnswerverifiedD

"N" is the chemical symbol for

Correct AnswerverifiedShow Answer

The root cap

Correct AnswerverifiedShow Answer

Which of the following is not a function of the root of a plant?

Correct AnswerverifiedShow Answer

How does sap move from the sieve tube into a sink?

Correct AnswerverifiedShow Answer

Water,proteins,lipids,carbohydrates,and nucleic acids make up most of the plant body and are composed primarily of N,C,H,O,and P.Therefore,N,C,H,O,and P are

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified