Exercise 7: Plant Cells and Tissues Flashcards

1
Q

It refers to the study of the microscopic structures of tissues.

A

histology

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2
Q

It refers to the embryonic tissue regions that are actively and indefinitely creating new cells.

A

meristems

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3
Q

Describe the cells of meristems.

A
  • thin cell walls
  • small amount of endoplasmic reticulum
  • undifferentiated proplastids
  • dispersed, small vacuoles
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4
Q

Give the 2 classifications of meristems.

A
  • apical meristem
  • laterals meristem
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5
Q

TRUE or FALSE:
The cells of meristems are distinguishable from other mature cells by the presence of large nuclei.

A

True

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6
Q

Which among the types of meristems creates cells at the tips of the (main and lateral) shoots and of the roots?

A

apical meristem

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7
Q

Which among the types of meristems adds cells inward or outward of the plant body?

A

lateral meristem

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8
Q

Give the 3 types of cells in plant tissues.

A
  • parenchyma cells
  • collenchyma cells
  • sclerenchyma cells
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9
Q

Which among the types of cells in plant tissues have thin and uniformly thick primary cell walls?

A

parenchyma cells

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10
Q

Which among the types of cells in plant tissues have thick and uneven primary cells walls made up of pectin.

A

collenchyma cells

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11
Q

Which among the types of cells possess thick secondary cell walls made of lignin?

A

sclerenchyma cells

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12
Q

Give the 3 types of tissue systems.

A
  • dermal tissue system
  • ground tissue system
  • vascular tissue system
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13
Q

Which among the types of tissue systems lines the external surface of organs?

A

dermal tissue system

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14
Q

Which among the types of tissue systems functions in mechanical support, metabolism, and storage?

A

ground tissue system

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15
Q

Which among the types of tissue systems functions in transport of water, photosynthetic products, and other materials throughout the plant body?

A

vascular tissue system

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16
Q

Which among the types of cells in plant tissues is the most common in ground tissues.

A

parenchyma cells

17
Q

Give the 4 types of specialized parenchyma cells.

A
  • aerenchyma
  • chlorenchyma
  • secretory parenchyma
  • storage parenchyma
18
Q

Which among the types of parenchyma cells consists of irregularly shaped cells that bound large airspaces.

A

aerenchyma

19
Q

Which among the types of parenchyma cells possesses chloroplasts and functions in photosynthesis.

A

chlorenchyma

20
Q

Which among the types of parenchyma cells lines canals and possesses large vesicles containing various substances?

A

secretory parenchyma

21
Q

It refers to the structure that the secretory parenchyma lines.

A

resin ducts

22
Q

Which among the types of parenchyma cells possesses leucoplasts which store starch, proteins, or oil?

A

storage parenchyma

23
Q

Which among the types of cells in plant tissues functions for structural support and is found at the periphery of the cross sections below the epidermis?

A

collenchyma

24
Q

Which among the types of cells in plant tissues is present in ground and vascular tissues, and functions for structural support?

A

sclerenchyma cells

25
Q

Differentiate the 2 types of scelerenchyma cells.

A
  • fibers (elongated, flexible)
  • sclereids (short, inflexible)
26
Q

Give the staining substance used in sclerenchyma cells.

A

18% alcohol phloroglucinol-sulfuric acid

27
Q

Give the 2 types of apical meristems.

A
  • shoot apical meristems
  • root apical meristems
28
Q

TRUE or FALSE:
Lateral meristems are found among the mature plant tissues of the plant body.

A

True

29
Q

It refers to the outer layer of cells which gives rise to the dermal tissue system.

A

protoderm

30
Q

Which structure inner to the protoderm possesses larger cells that gives rise to the ground tissue system?

A

ground meristem

31
Q

Which structure inner to the ground meristem possesses thin, elongated cells with large nuclei?

A

procambium

32
Q

Give the 2 zones present in root apical meristems.

A
  • zone of division
  • zone of elongation
33
Q

Which structure in the shoot apical meristem gives rise to leaves?

A

leaf primordium

34
Q

Which structure in the shoot apical meristem has the potential to develop into new shoots?

A

bud primordium or axillary bud