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AGRI 51 - LECTURE > Module 2B > Flashcards

Module 2B Flashcards

1
Q

Attainment of size by the virtue of growht and architectural style by morphogenesis

A

Plant Development

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2
Q

Differentiation of cells into tissues, organs, organism

A

Morphogenesis

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3
Q

Aspects of plant development

A

Growth, differentiation, organization

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4
Q

How plants are shaped and organized. Study of plant’s physical form and steucture

A

Phytomorphology

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5
Q

Irreversible increase of cell number and dry mass

A

Growth

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6
Q

Increase in size doesn’t mean an increase in growth

A

True

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7
Q

Phytochemical + meristematic region = ?

A

Growth

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8
Q

Unspecialized cells turn into different specialized cell, tissues, organs

A

Differentiation

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9
Q

Where does differentiation start?

A

Meristematic region

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10
Q

Determinants of what type of cells the unspecialized cells will turn inti

A

Cell to cell communication
Plant hormones
Environmental factors

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11
Q

Reversal of cell specialization

A

Dedifferentiation

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12
Q

Ability of unspecialized cell to transform into any type of specialized cell, potentially form any type of organ

A

Totipotency

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13
Q

Orientation and integration of specialized cells in space. Blueprint. Tissue and organ placement. Spatial location and how differentiated cells are positioned in such a way they function together.

A

Organization

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14
Q

Attainment of form and structure of the complete organism. Processes on how to establish the spatial structures. Root growth and leaf development

A

Morphogenesis

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15
Q

Gene expression is not influenced by signals received from external environment

A

False

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16
Q

Plants are always undergoing development (assuming all plants have meristematic region)

A

True

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17
Q

Localization of growth

A
  1. Take up sumple substances from environment and synthesize them into complex substances.
  2. At cell level, increase in living material increases cell size and cell division.
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18
Q

Growth is restricted to embryonic regions called _____. Site of repeated cell division of unspecialized cells.

A

Meristems

19
Q

Parts of embryo

A

Cotyledons, shoot, root apical meristem

20
Q

Meristems (4)

A

Shoot, Axillary root (apical lateral), Floral, Cambiums (Cork Vascular)

21
Q

Types of Meristem (3)

A

Apical, Lateral, Intercalary

22
Q

Meristems at tips of roots and shoots, Site of primary growth in plant

A

Apical meristems

23
Q

Side portion meristems, arising from cambiums (base of nodes and stems)

A

Lateral meristem

24
Q

Responsible for secondary thickening of stems and roots

A

Lateral meristems

25
Q

Meristems inserted between regions of differentiated tissues

A

Intercalary

26
Q

Type of growth where apical meristem of roots and stems remain embryonic for long period

A

Indeterminate

27
Q

Example of plants that have indeterminate growth

A

Wingedbean, ricebean

28
Q

Type of g where leaves flowers and fruits are embryonic for short period until maturity

A

Determinate

29
Q

Plants that pose determinate growth

A

Corn, rice, mungbean

30
Q

Regulatory effects on the growth of one part of the plant to the other part/s

A

Correlation effect

31
Q
  • Lumalaki ung shoot, lumalaki ung root system
  • lumiliit ung vegetative parts during fruiting season
  • lumalaki ung fruit dahil sa plant hormone na stinistimulate ng seeds sa flowers
  • Stimulating effects provided by buds and leaves to the roots of stem cuttings
A

Organ differentiation

32
Q

Internal time system in plants that keep track of the time which regulates certain biological processes

A

Endogenous biological clock

33
Q

Example of EBC

A

Diurnal rise and fall of acacia leaves

34
Q

Rhythm driven by and Endogenous clock

A
  1. Persists in absence of external cues.
  2. Can be reset by external signals.
  3. Temperature has no to little effect on the timing of the clock-driven rhythm.
35
Q

Classification of biological rhythms

A

Circadian, lunar, ultradian, annual rhythm

36
Q

Circadian root words

A

Circa = about, diem = day

37
Q

Upward leaves

A

Epinasty

38
Q

Downward leaves

A

Epinasty

39
Q

Examples of circadian plants

A

Acacia, calathea, portulaca

40
Q

Every 24 hours

A

Circadian

41
Q

Every 28 days, full moon

A

Lunar

42
Q

Every year

A

Annual rhythm

43
Q

Examples of annual rhythmic plants

A

Fire tree, Salinggogon (ph cherry blossom), Kapok

44
Q

Every less than 24 hours

A

Ultradian

AGRI 51 - LECTURE (4 decks)

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