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Biology 101 > Ch.25 Roots Stems and Leaves > Flashcards

Ch.25 Roots Stems and Leaves Flashcards

1
Q

The shoot system of a plant consists of all of the following EXCEPT _____.
a. internode
b. pith
c. root apex
d. axillary bud

A

root apex

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2
Q

Chlorenchyma cells (parenchyma cells with chloroplasts) specialize in ____.
a. photosynthesis
b. water transport
c. food storage
d. repair

A

photosynthesis

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3
Q

Collenchyma tissue can be found in _____.
a. vacuoles
b. epidermis
c. stems
d. none of the above

A

epidermis

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4
Q

Xylem and phloem are components of _____.
a. vascular tissue
b. dermal tissue
c. epidermis
d. periderm

A

vascular tissue

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5
Q

Specialized cells that protect roots from abrasive soil are found in the _____.
a. root cap
b. root hairs
c. apical meristem
d. secondary roots

A

root cap

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6
Q

Modified stem systems include all of the following EXCEPT ____.
a. tubers
b. runners
c. rhizomes
d. suckers

A

suckers

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7
Q

What type of roots do lily bulbs have?
a. Prop roots.
b. Contractile roots.
c. Spongy roots.
d. Aerial roots.

A

contractile roots

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8
Q

What type of leaf venation is seen here?

a. Pinnate.
b. Parallel.
c. Dichotomous.
d. Palmate.

A

Palmate

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9
Q

In vascular plants, the ______ conducts the products of photosynthesis through the plant’s stem.
a. xylem
b. phloem
c. mesophyll
d. ground tissue

A

phloem

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10
Q

Name this leaf structure.

a. Main vein.
b. Midrib.
c. Margin.
d. Petiole.

A

midrib

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11
Q

The apical meristem gives rise to which of these regions?
a. Procambium.
b. Ground meristem.
c. Protoderm.
d. All of the above.
e. A and B.

A

All of the above

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12
Q

Which type of leaf arrangement is shown here?

a. Pinnately compound.
b. Compound.
c. Palmately compound.
d. Simple.

A

Pinnately Compound

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13
Q

What allows grass to grow back quickly after it has been mowed?
a. Vascular cambium.
b. Intercalary meristem.
c. Cork cambium.
d. Parenchyma tissue.

A

Intercalary meristem

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14
Q

Fibers and lignin in plants are found in which type of tissue?
a. Collenchyma.
b. Parenchyma.
c. Sclerenchyma.
d. Meristematic.

A

Sclerenchyma

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15
Q

Grasses have what type of root system?
a. Taproots.
b. Fibrous roots.
c. Contractile roots.
d. Prop roots.

A

Fibrous roots

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16
Q

The epidermis in woody plants is replaced by what tissue?
a. Roots.
b. Stems.
c. Periderm.
d. Vascular cambium.

A

Periderm

17
Q

Name this area of the root.

a. Elongation region.
b. Apical meristem.
c. Ground meristem.
d. Root cap.

A

Apical meristem

17
Q

Phloem is composed of all of the following EXCEPT _____.
a. parenchyma cells
b. sclerenchyma
c. companion cells
d. tracheids

A

tracheids

18
Q

Mycorrhizae help many plants perform which function?
a. Provide sugars and amino acids.
b. Convert nitrogen into nitrates.
c. Metabolize phosphorus.
d. Increase root absorption.

A

Metabolize phosphourus

19
Q

Which of the following statements is NOT true?
a. Cell division takes place in meristematic tissue.
b. Only meristematic tissue produces new cells by mitosis.
c. In all seed plants, secondary growth takes place in lateral meristematic tissue.
d. Vascular cambium produces vascular tissue and increases the thickness of stems over time.

A

c. In all seed plants, secondary growth takes place in lateral meristematic tissue.

20
Q

What is the function of lenticels on a woody stem?
a. Branch support.
b. Gas exchange.
c. Secondary growth.
d. All of the above.

A

Gas exchange

21
Q

What component of plants is important in protection from dessication?
a. Protoderm.
b. Suberin.
c. Lignin.
d. Sclereids.

A

Suberin

22
Q

Identify the tissue in this dicot root.

a. Epidermis.
b. Phloem.
c. Xylem.
d. Cortex.

A

Cortex

23
Q

Succulent leaves are modified for _____________.
a. climbing
b. water retention
c. trapping of insects
d. floatation

A

water retention

24
Q

Which of the following controls the process of abscission in a typical leaf?
a. Carotene.
b. Auxin.
c. Xanthophyll.
d. Anthocyanin.

A

Auxin

25
Q

The vascular cylinder in plants contains xylem and phloem. The _________is the first layer of cells in the vascular cylinder.
a. pith
b. Casparian strip
c. pericycle
d. stele

A

pericycle

26
Q

When guard cells are filled with water, they swell. What effect does this have on the stomata?
a. Stomata open to allow gas exchange.
b. Stomata open to allow water to leave the leaf.
c. Stomata close to prevent gas exchange.
d. Stomata close to prevent water from leaving the leaf.

A

Stomata open to allow gas exchange.

27
Q

Which properties of water allow it to move up from the roots?
a. Cohesion.
b. Density.
c. Adhesion.
d. All of the above.
e. A and C.

A

A and C

28
Q

In tomato plant leaves, the loosely packed cells are known as _______________.
a. spongy mesophyll
b. palisade mesophyll
c. stomata
d. vascular tissue

A

spongy mesophyll

28
Q

Which structure(s) in a typical leaf facilitate(s) gas exchange and control(s) the rate of transpiration?
a. Ground tissue.
b. Stomata.
c. Guard cells.
d. Sheath cells.

A

Stomata

Biology 101 (18 decks)

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