Leaves Quiz-raw Material

Leaves QuizClick on the radio button in front of the correct answers to the questions.

1. The parts of the plant that are mainly in charge of making food for the plant are the

roots flowers leaves

2. A thin stalk that connects the blade of the leaf to the plant's stem is the

petiole stomata vein

3. A thin, flat part of the leaf that extends off the end of the petiole is the

stomata blade vein

4. The top layer of the leaf that is its waterproof covering is the

xylem phloem cuticle stomata

5. Little opening in the leaf that allows for the taking in of carbon dioxide and the emission of oxygen during photosynthesis are

xylem phloem cuticle stomata

6. The releasing of water vapor from the plant into the air is called

tranportation transpiration transduction

7. In between the top and bottom layer of the leaf is the green material essential for making food or photosynthesis in the plant

chlorophyll xylem phloem stomata

8. The substances in leaves that give them different colors in the fall are called

stomata pigments veins

9. A compound leaf has a number of

leaflets flowers stems

10. These types of leaves have one main vein called the midrib, and smaller branching veins

pinnate palmate stomate

11. These types of leaves have several large veins branching from the leaf base into the blade.

pinnate palmate stomate

12. Stomata have these on either side of the stomata to help regulate the amount of carbon dioxide and oxygen that flows in and out of them.

guard cells xylem phloem

Which portion of the flowering plant anchors the plant in the soil?

A)root system

B)shoot system

C)leaves

D)stem

E)reproductive system

2 Which portion of a flowering plant absorbs water and minerals?

A)flower

B)blade

C)stem

D)root

E)petiole

3 Which part of a plant is primarily responsible for photosynthesis?

A)flower

B)leaf blade

C)stem

D)leaf petiole

E)root

4 Which part of a flowering plant will store carbohydrate as starch?

A)flower

B)blade

C)stem

D)petiole

E)root

5 Which part of a flowering plant connects the blade of a leaf to the stem?

A)petiole

B)leaf veins

C)nodes

D)internode

E)terminal bud

6 Which of the following structures provides nutrient molecules for growing plant embryos before the true leaves begin photosynthesizing?

A)petals of a flower

B)petiole

C)blade

D)stem

E)cotyledon

7 Which of the following comparisons between a monocot and a dicot is NOT correct?

A)one cotyledon in seed—two cotyledons in seed

B)vascular bundles scattered in stem-vascular bundles in a distinct ring

C)leaf veins form a net pattern—leaf veins form a parallel pattern

D)flower parts in threes and multiples of three—flower parts in fours or fives and multiples of four or five

8 Which of the following comparisons between a monocot and a dicot is NOT correct?

A)two cotyledons in seed—one cotyledons in seed

B)leaf veins form a parallel pattern—leaf veins form a net pattern

C)flower parts in threes and multiples of three—flower parts in fours or fives and multiples of four or five

D)root phloem occurs between arms of xylem—root xylem and phloem occur in ring

9 Flowering plants are divided into three groups: monocots, dicots, and tricots.

A)True

B)False

10 An example of a monocot plant is corn (maize) and an example of a dicot is the bean.

A)True

B)False

11 Dermal, ground, and vascular tissue systems in plants arise from apical meristem tissue.

A)True

B)False

12 Plants grow throughout their entire lives because of ______ that continues to divide.

A)vascular tissue

B)dermal tissue

C)meristem tissue

D)ground tissue

13 Which tissue forms the outer, protective covering of a plant?

A)dermal tissue

B)ground tissue

C)vascular tissue

14 Which tissue system fills the bulk of the interior of a plant?

A)dermal tissue

B)ground tissue

C)vascular tissue

15 Which tissue system conducts water and nutrients in a plant?

A)dermal tissue

B)ground tissue

C)vascular tissue

16 Xylem and phloem belong to the ______ tissue system.

A)dermal

B)ground

C)vascular

17 Parenchyma and sclerenchyma cells belong to the ______ tissue system in plants.

A)dermal

B)ground

C)vascular

18 Which of the following cells protect the inner body parts and prevent the plant from drying out?

A)epidermal cells

B)parenchymal cell

C)sclerenchymal cell

D)sieve-tube cell

E)tracheid cell

19 Which of the following cells are relatively unspecialized and correspond best to the generalized plant cell?

A)epidermal cells

B)parenchymal cell


D)sieve-tube cell

E)tracheid cell

20 Which of the following cells are often hollow, nonliving, with extremely strong walls, and support other plant tissues and organs?

A)epidermal cells

B)parenchymal cell


D)sieve-tube cell

E)tracheid cell

21 Which of the following cells are hollow and nonliving at maturity?

A)epidermal cell

B)parenchymal cell

C)tracheid

D)sieve-tube cell

E)companion cell

22 Which of the following plant cells transports water and minerals from the roots to the leaves?

A)epidermal cell

B)parenchymal cell


vessel element

D)

E)sieve tube cell

23 Which of the following transports organic nutrients, usually from the leaves to the roots?

A)epidermal cell

B)parenchymal cell


D)xylem

E)phloem

24 Which of the following comparisons is NOT correct?

A)dermal tissue--epidermal cell

B)ground tissue--parenchyma and sclerenchyma cells

C)vascular tissue--xylem and phloem

D)xylem--tracheids and vessel elements

E)phloem--guard cells and vessel elements

25 Which of the following cells will transport water from the roots to the

leaves more freely?

A)sieve-tube cell

B)companion cell

C)tracheids

D)vessel elements

E)parenchymal cell

26 Which of the following cells will always have at least one companion cell associated with it?

A)parenchyma cell

B)sclerenchyma cell

C)tracheid

D)vessel element

E)sieve-tube cell

27 Which of the following cells have perforated end walls and cytoplasm, but no nuclei?

A)sclerenchyma cell

B)tracheid

C)vessel element

D)sieve-tube cell

E)companion cell

28 Which of the following is NOT a function of a plant root?

A)storage of photosynthetic products

B)absorb water from the soil

C)absorb minerals from the soil

D)anchors a plant in the soil

E)site of photosynthesis

29 The xylem is found in separate regions between the arms of the phloem in dicot roots.

A)True

B)False

30 Because of the Casparian strip, water and minerals must pass through endodermal cells in order to reach the vascular cylinder.

A)True

False

B)

31 Which zone in a dicot root contains apical meristem?

A)zone of cell division

B)zone of elongation

C)zone of maturation

D)root cap

32 Which part of the root provides a protective cover for the root tip?




D)root cap

33 In which part of a root will cells get longer as they specialize?




root cap

D)

34 Which part of a root has cells that are mature and fully differentiated?




D)root cap

E)root hairs

35 Which part of a root increases tremendously the total absorptive surface area?



C)vascular cylinder

D)root cap

E)root hairs

36 Root hairs extend from which of the following tissues in the dicot root?

A)epidermis

B)cortex

C)endodermis

D)vascular cylinder

E)pericycle

37 Which of the following tissues in a dicot root contains starch granules and functions to store food?

A)epidermis

B)cortex

C)endodermis

D)vascular cylinder

E)pericycle

38 The ring of waxy material that borders the endodermal cells on four sides is known as the ______ .

A)plasmodesmata

B)Casparian strip

C)cotyledon

pericycle

D)

E)vascular cambium

39 Which layer of tissue in the dicot root forms a boundary between the cortex and the vascular cylinder?

A)epidermis

B)Casparian strip

C)endodermis

D)zone of maturation

E)pericycle

40 Which tissue in the dicot root regulates the entrance of minerals into the vascular cylinder?

A)epidermis

B)cortex

C)endodermis

D)root hairs

E)pericycle

41 Which layer of cells within the dicot root retains the capacity to divide and start the development of branch or secondary roots?

A)epidermis

B)cortex

C)endodermis

D)vascular cylinder

E)pericycle

42 Which tissue(s) in the vascular cylinder retains its capacity to divide and start new branches or secondary roots?

A)cortex

B)epidermis

C)xylem and phloem

D)pericycle

E)endodermis

43 Which tissue within the vascular cylinder appears star-shaped in dicot roots?

A)pericycle

B)xylem

C)phloem

D)endodermis

E)cortex

44 Which of the following tissue is present more often in monocot roots than in dicot roots?

A)epidermis

B)cortex

C)endodermis

D)xylem and phloem

E)pith

45 Just as the root is separated into zones of cell division, elongation, and maturation, so can the stem be separated as it grows from the apical meristem.

A)True

B)False

46 An internode is a segment between the nodes on a stem.

A)True

B)False

47 Which of the following cells remains undifferentiated and is capable of continually dividing and producing new cells?

A)meristematic cell

B)tracheid

C)vessel element

D)sieve-tube cell

E)companion cell

48 Which type of cell produces the cortex and pith of a plant?

A)leaf primordia

B)ground meristem

C)protoderm

D)sieve-tube cell with companion cell

E)procambium

49 Which part of a plant functions to directly support leaves, flowers, and fruits, conducts substances, and helps store water and the products of

photosynthesis?

A)root

B)stem

C)petiole

D)blade

E)bark

50 The portion of a stem between two sequential node sis called a/an ______ .

A)primordial node

B)internode

C)petiole

D)terminal bud

E)axillary bud

51 The shoot apical meristem is protected by ______ .

A)flowers

B)bark

C)a root cap

D)leaf primordia

E)an internode

52 What will the cells of the shoot apical meristem become?

A)root cap

B)root hairs

C)root

D)stem and leaves

E)endodermis

53 In temperate zones, what protects a terminal bud on a stem during the winter?

A)axillary buds

B)bark

C)bud scales

D)bud cap

E)root cap

54 Axillary buds are found between the stem and the leaves and may give rise to branch shoots.

A)True

B)False

55 All mature herbaceous stems exhibit both primary and secondary growth.

A)True

B)False

56 Which of the following will be responsible for primary growth in plants?

A)vascular cambium

B)cork cambium

C)apical meristem

D)endodermis

E)Casparian strip

57 Primary growth allows for growth in length of a stem whereas secondary growth allows a stem to increase in girth.

A)True

B)False

58 Which of the following tissues is NOT present in a vascular bundle in the stem?

A)xylem

B)phloem

C)vascular cambium

D)epidermis

E)cork

59 Which of the following tissues will divide to eventually form the secondary xylem and the secondary phloem?

A)vascular cambium

B)cork cambium

C)apical meristem

D)terminal bud

E)axillary bud

60 Each vascular bundle in a stem contains meristematic cells located ______ .

A)outside the phloem

B)outside the xylem

C)between the xylem and the phloem

D)inside the xylem

E)inside the phloem

61 What makes cork cells waterproof?

A)They are impregnated with suberin.

B)They are impregnated with the Casparian strip.

C)They are dead cells.

D)They have sieve plates that allow water to drain to the outside.

E)They secrete oil that protects the outer surface.

62 Dead cork allows gas exchange in loosely arranged cells called ______.

A)guard cells

B)lenticels

C)root hairs

D)terminal buds

E)xylem

63 What will the cork cambium produce in a woody dicot plant?

A)xylem

B)phloem

C)cork

D)pith

E)vascular bundle

64 Which type of meristematic tissue is located between the bark and the wood of a woody stem?

A)sclerenchyma cells

B)pericycle

C)apical meristem

D)cork cambium

E)vascular cambium

65 Which of the following statements is NOT correct about a dicot woody stem?

A)A dicot woody stem has a different organization than a dicot herbaceous stem.

B)A dicot woody stem has distinct vascular bundles.

C)A dicot woody stem is composed of the bark, the wood, and the pith.

D)Vascular cambium occurs between the bark and the wood.

E)The bark contains cork, cork cambium, and phloem.

66 The three distinct areas of bark include the ______.

A)vascular cambium, cork cambium, and apical meristem

B)cork, cork cambium, and phloem

C)wood, pith, and vascular cambium

D)bark, wood, and pith

E)bark, wood, and cork

67 The vascular cambium cells divide in a plane perpendicular to the surface of the tree, and this causes a tree to increase in girth.

A)True

B)False

68 The growth rings of a tree are composed of secondary xylem.

A)True

B)False

69 By counting the annual rings of a leaf, you can tell the age of a tree.

A)True

B)False

70 Annual rings in trees show that the xylem elements formed in the spring are larger than those formed in the summer.

A)True

B)False

71 In large trees, only the secondary xylem produced that year, called ______, functions in water transport.

A)heartwood

B)spring wood

C)bark

D)pith

E)phloem

72 Resins, gums, and other substances may plug in large trees the older inner part, called ______ .

A)heartwood

B)spring wood

C)bark

D)summer wood

E)sapwood

73 ______ are the organs of photosynthesis in flowering plants.

A)Roots

B)Root hairs

C)Stems

D)Vascular cylinders

E)Leaves

74 Which of the following structures is NOT found in a leaf?

A)blade

petiole

B)

C)leaf primordia

D)veins

E)guard cells

75 Which structure in a leaf transports both water and nutrients to and from the leaves?

A)petiole

B)palisade mesophyll

C)spongy mesophyll

D)leaf veins

E)guard cells

76 The top and bottom part of a dicot, temperate-zone leaf is called the ______ .

A)epidermis

B)guard cells

C)palisade mesophyll

D)spongy mesophyll

E)leaf vein

77 Which part of a leaf prevents a leaf from drying out as well as preventing gas exchange?

A)stomates

B)guard cells

C)spongy mesophyll

D)palisade mesophyll

E)cuticle

78 Where are the stomates usually found on a leaf?

A)palisade mesophyll

B)spongy mesophyll

C)upper epidermis

D)lower epidermis

E)vein

79 Which part of a leaf has irregular cells bounded by air spaces?

A)palisade mesophyll

B)spongy mesophyll

C)upper epidermis

D)lower epidermis

E)cuticle

80 Which part(s) of a leaf carries on most of the photosynthesis?

A)palisade and spongy mesophyll

B)upper epidermis

C)lower epidermis

D)cuticle

E)vein

81 Which part of a leaf allows gases to move into and out of the leaf?

A)palisade and spongy mesophyll

B)upper epidermis

C)cuticle

D)stomates

E)vein

82 Each stomate has three guard cells, which regulate its opening and closing on the upper epidermis of a leaf.

A)True

B)False

83 Which of the following is correctly matched?

A)onion--bulb

B)potato--tuber

C)gladiolus--corm

D)strawberry runner--stolon

E)All of the above are correct.

84 Which tissue in a plant transports water from the roots up to the leaves?

A)phloem

B)xylem

C)pith

cortex

D)

E)bark

85 The loss of water from a leaf by evaporation is called ______.

A)transpiration

B)translocation

C)cohesion

D)active transport

E)photoperiodism

86 The movement of water from the roots to the leaves is best explained by the ______ .

A)active transport

B)transpiration-translocation theory

C)pressure-flow theory

D)cohesion-tension theory

E)osmosis

87 The cohesion-tension theory helps to explain how the phloem moves

nutrients. Responses:

A)True

B)False

88 Transpiration creates a pushing effect, which forces a column of water up from the roots to the leaves.

A)True

B)False

89 Which of the following cells listed below form(s) a completely hollow pipeline from the roots to the leaves?

A)sieve-tube cells

B)tracheids

C)vessel elements

D)sieve-tube cells

E)companion cells

90 Which of the following is NOT a factor that allows water to rise in plants?

A)atmospheric pressure

B)cohesion of water molecules

C)transpiration

D)active transport of sugar into/out of sieve-tube cells

91 What causes water to fill the xylem pipeline completely, from the roots to the leaves, and to resist any separation?



C)transpiration

D)active transport of sugar into/out of phloem cells

E)passive transport of sugar into/out of phloem cells

92 The ability of water molecules to cling together is called ______ .

A)evaporation

B)transpiration

C)respiration

D)cohesion

E)osmotic pressure

93 Which of the following creates a pull on water, thereby drawing water up the vessel elements from the roots to the leaves?



C)transpiration

D)active transport of sugar into/out of phloem cells

E)passive transport of sugar into/out of phloem cells

94 Which of the following statements is NOT correct about water movement in a plant?

A)Much of the water that escapes from the leaf does so at the stomates.

B)Water molecules are cohesive due to covalent bonding between the water molecules causing them to cling together.

C)Tension created by transpiration is only effective because of the cohesive property of water.

D)Cohesion causes water to fill the xylem pipeline completely and to resist any separation.

95 Xylem only transports water from the roots to the leaves.

A)True

B)False

96 When guard cells take up water, the stomate opens.

A)True

B)False

97 Which of the following statements is NOT correct in regard to photosynthesis?

A)When stomates are open, carbon dioxide exits the leaf.

B)When stomates are open, water exits the leaf.

C)When a plant is water stressed, the stomates close to conserve water.

D)Photosynthesis ceases when the stomates close.

E)Photosynthesis requires an especially abundant supply of water for transpiration to occur.

98 Stomates are more likely to be open during the night and closed during the day.

A)True

B)False

99 Which of the following factors does NOT play a critical role in the opening and closing of the stomates in a leaf?

A)ATP

glucose

B)

C)potassium ions

D)water

E)structure of inner guard cell wall

100 Which process is used to transport potassium ions into the guard cells?

A)filtration

B)diffusion

C)osmosis

D)active transport

E)passive transport

101 Which process is used by the guard cells to take up water?

A)filtration

B)diffusion

C)osmosis

D)active transport

102 What ion moves into the guard cell to cause the stomates to open?

A)calcium

B)magnesium

C)chlorine

D)sodium

E)potassium

103 When guard cells take up water, they ______ .

A)buckle in from their region of attachment and the stomate opens

B)buckle out from their region of attachment and the stomate opens

C)buckle in from their region of attachment and the stomate closes

D)buckle out from their region of attachment and the stomate closes

104 A stomate closes when ______ .

A)potassium ions and water move out of the guard cells

B)potassium ions and water move into the guard cells

C)potassium ions move out but water moves into the guard cells

potassium ions move into but water moves out of the guard cells

D)

105 Carbon dioxide enters a leaf through the ______ .

A)xylem

B)phloem

C)stomates in the lower epidermis

D)stomates in the upper epidermis

E)root hairs

106 Which vascular tissue in a plant transports sugar?

A)phloem

B)xylem

C)pith

D)cortex

E)vascular cambium

107 The movement of organic substances in phloem is termed the ______.

A)cohesion theory

osmosis model

B)

C)active transport

D)transpiration

E)pressure-flow model

108 Which type of phloem cell is used in moving the products of photosynthesis in a plant?

A)sieve-tube cell

B)companion cell

C)vessel element cell

D)tracheid

E)guard cell

109 Which phloem cell has a nucleus that helps the other phloem cell to perform its translocation function?

A)sieve-tube cell

B)companion cell

C)vessel element cell

D)tracheid

E)guard cell

110 Which insect can be used to collect phloem sap for analysis?

A)cockroaches

B)ants

C)aphids

D)moths

E)beetles

111 Which part of a plant is the major source of sugar during the growing season?

A)leaves

B)petiole

C)stem

D)bark

E)root

112 Which of the following organic molecules is actively transported into the sieve-tube cells?

lipids

A)

B)proteins

C)salts

D)nucleic acids

E)sugars

113 Which molecule will build up in the sieve-tube cells to create pressure, which starts a flow of phloem sap?

A)salt

B)water

C)sugar

D)protein

E)lipid

114 Sugar will be actively transported out of the sieve-tube cells found in the ______ .

A)leaves

B)petioles

C)stems

D)roots

E)bark

115 Which of the following statements is NOT correct about the pressure-flow theory?

A)At the leaf, sugar is actively transported into the phloem, and water follows by osmosis.

B)Higher pressure is found in the sieve-tube cells at the leaf than at the root.

C)Sugar concentration is higher in the sieve-tube cells of the leaf than in the root.

D)At the root, sugar is actively transported out of the sieve-tube cells, and water follows by osmosis.

E)Phloem sap flows from the leaves (sink) to the roots (source).

The outermost layer of a root, stem, or leaf is called a (an) ________.A. adaptati

onB. cort

exC. cambi

umD. epider

mis2. Which is NOT a function of stems?A. supp

ortB. transpirati

onC. food

storageD. water

absorption3. Food flows down from the leaves of a plant through the _____________.

4. The leaf in this picture is an example of what type of leaf?

A. sim

pleB. comp

lexC. compou

ndD. bunc

hes5. Water and minerals flow up a plant through the ___________________.A. xyle

mB. cambi

umC. cort

exD. phlo

em6. Which part holds the transportation system for plants?A. ste

msB. root

sC. leav

esD. xyle

m7. The epidermis secretes a waxy coating called the __________________, which keeps water

inside the leaf.A. cort

exB. cambi

umC. epider

misD. cutic

le8. Besides sunlight, chloroplasts need three things to make food. What are these three things?A. water, minerals, carbon

dioxideB. water, chlorophyll,

soilC. oil, minerals,

oxygenD. water, minerals,

oxygen9. When water evaporates from the leaves, more water moves up through the plant to replace

the lost water in a process called __________.10. Air comes through tiny pores in the bottom of the leaves called ________________.

11. Plant stems support the ________________ and _____________________.A. branc

hesB. root

sC. blosso

msD. leaves and

flowers12. Different leaf shapes have different purposes. What is the purpose for broad, flat green

surfaces?A. keep predators

awayB. collecting

sunlightC. reduce water

lossD. trapping

insects

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Leaves Quiz-raw Material