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Plant > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Complete Flowers have?

A

Pistal, Stamen, Corolla, Calyx

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2
Q

The science of crop management and improvement?

A

Agronomy

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3
Q

All people at all times have access to…

A

sufficient, safe, and nutritious food to maintain a healthy and active life.

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4
Q

Food Security includes?

A

Monetary and Physical ability to have food

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5
Q

Africa is being targeted for?

A

A second green revolution

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6
Q

Poverty, drought, and disease all contribute to?

A

Food insecurity

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7
Q

A complete flower is always a perfect flower? T or F

A

True

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8
Q

An incomplete flower is always an imperfect flower? T or F

A

False

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9
Q

What helped to increase crop production in the 20th century?

A

Synthetic pesticides

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10
Q

Malthusian Theory has not yet happened because?

A

The rate of food production has increased faster than he predicted.

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11
Q

Primary purpose of a leaf is?

A

photosynthesis

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12
Q

A ligule can be found in the?

A

Collar region of a grass plant

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13
Q

The stem between the branches?

A

Internode

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14
Q

Is a cotyledon a part of an embryo?

A

No

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15
Q

Is an endosperm, plumule, or radicle part of an embryo?

A

Yes

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16
Q

Modified stems?

A

Rhizome, stolon, and tuber

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17
Q

Stamen are the what parts of the flower?

A

Male

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18
Q

An adventitious root is?

A

A root that develops from any tissue other than root tissue

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19
Q

Function of phloem in a plant?

A

Moving sugar throughout the plant

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20
Q

An advantage of GM crops is?

A

The results are faster than classic breeding

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21
Q

Plants can reproduce through?

A

Seeds or stem parts

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22
Q

Global population growth follows a?

A

Exponential Pattern

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23
Q

Monoecious plants have?

A

Male and Female flowers on the same plant

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24
Q

Root hairs are responsible for

A

most water and nutrient absorption by a plant

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25
Q

The seed coat is mad up of carbohydrates and lipids and?

A

Protects the embryo

26
Q

5000 BC Fertile Crescent

A

Irrigation

27
Q

Egypt 3500 BC

A

Hand tools (hoe, plow)

28
Q

Roman Empire 200 AD

A

Crop Rotations

29
Q

Early agronomic practices

A

Irrigation, Hand tools (hoe and plow), Crop Rotations

30
Q

Modern agronomic practices

A 
Mechanization
Synthetic fertilizers (nitrogen)
Hybrid corn
Soil conservation practices
Synthetic pesticides
Genetic Enginerring
31
Q

Synthetic fertilizers (nitrogen)

A

1910’s

32
Q

Hybrid Corn

A

1920’s

33
Q

Soil conservation practices

A

1930’s

34
Q

Synthetic pesticides

A

1940’s

35
Q

Genetic engineering

A

1980’s

36
Q

Drastic increase in food production in developing nations

A

Green revolution

37
Q

Monocots have how many cotyledons?

A

One

38
Q

Monocot cotyledons are always

A

below the ground

39
Q

Monocots have what kind of veins?

A

Parralel

40
Q

Monocots are?

A

Grasses

41
Q

Dicots have how many cotyledons?

A

Two

42
Q

Dicots are?

A

Broadleaf plants

43
Q

Dicot cotyledons can either be?

A

Above ground or below

44
Q

Collective term fro the sepals?

A

Calyx

45
Q

Modified leaves that protect the flower?

A

Calyx

46
Q

Collective term for the petals?

A

Corolla

47
Q

A modified leaf?

A

Corolla

48
Q

The female part of the flower?

A

Pistil

49
Q

Pist has three parts?

A

Ovary, Style, Stigma

50
Q

The male part of the flower?

A

Stamen

51
Q

Produces pollen?

A

Stamen

52
Q

Stamen has three parts

A

Anther, Filament, Pollen Grains

53
Q

Incomplete flowers are?

A

Missing one or more parts

54
Q

Perfect flowers have both?

A

Stamen and pistol

55
Q

Imperfect flowers have only?

A

Stamen or Pitols.

56
Q

Have imperfect flowers and both male and female flowers on the same plant?

A

Monoecious

57
Q

Male and female flowers on different plants?

A

Dioecious

58
Q

Seeds consist of

A

Embryo, Endosperm, and Testa (seed coat)

59
Q

Swollen roots that store nutrients-especially carbohydrates?

A

Modified roots

60
Q

Adventitious roots often occur when?

A

Stems come in contact with soil

Plant (5 decks)

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