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Biology20: Elementary Botany (Lecture) > Reproductive Plant Organs > Flashcards

Reproductive Plant Organs Flashcards

2
Q

Production of offspring from vegetative organs

A

Asexual reproduction

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3
Q

Production of offspring from union of gametes

A

Sexual reproduction

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4
Q

Cost and benefit of asexual reproduction

A

Easy to propagate, not adaptable

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5
Q

Cost and benefit of sexual production

A

Requires union, variation, adaptable

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6
Q

Parts of flower

A

calyx (sepals), corolla (petals), perianth, stamen, gynoecium

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7
Q

Has four floral parts

A

Complete flower

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8
Q

Has one or two missing floral part

A

Incomplete flower

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9
Q

Two positions of ovary

A

Superior, inferior (what’s the diff?)

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10
Q

Perfect flower

A

Stamen and pistil both present

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11
Q

Imperfect flower

A

Lacks one sex organ

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12
Q

Flowr that has similar size and shape, has radial symmetry

A

Actinomorphic

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13
Q

Flowr that has unequal size and shape, has bilateral symmetry

A

Zygomorphic

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14
Q

Staminate and pistilate are on the same plant

A

Monoecious

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15
Q

Have staminate OR pistilate

A

Dioecious

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15
Q

Problem of plants

A

They are sessile/immobile

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16
Q

It’s the megasporocyte (megaspore mother cell)

A

Ovary

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17
Q

Egg development

A

Ovary- meiosis - megaspore (4, only one survives) - mitosis - egg

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18
Q

Pollen development

A

Microsporocyte - pollen grain - male gametophyte - stigma - pollen tube growth - fertilization - zygote - seed growth - germination

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19
Q

Types of placentation

A

Parietal, marginal, axial, locule

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20
Q

Unfused carpel

A

Apocarpus

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21
Q

Fused carpel

A

Syncarpus

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22
Q

The transfer from stamen to stigma

A

Pollination

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23
Q

2 types of vectors/agents of pollination

A

Abiotic (undirected = wastage) and biotic (directed)

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24
Q

It is the stalk attached to the cell wall

A

Placental tissue

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25
Q

How is an angiosperm created

A

Double fertilization (egg+sperm =zygote and polar nuclei+sperm)

26
Q

Triploid tissue that is the source of food

27
Q

Summary of fertilization

A

Pollen tube growth, double fertilization, zygote - embryo, central cell - endosperm, ovule - seed, ovary - fruit

28
Q

What is a seed and what does it contain?

A

Matured ovule; plant embryo, food supply, seed coat

29
Q

It contains a well- formed multicellular plant embryo

30
Q

Other name for embryo

31
Q

This triploid can be the food source

32
Q

Outer layer of seed; forme from the integument

33
Q

Has a single fertilization; food source is the haploid megagametophyte

A

Gymnosperm seed

34
Q

Dicot vs monocot

A

Dicot
- 2 cotyledon
Monocot
- 1 cotyledon

35
Q

Mature ripened ovary

36
Q

Fruit/ ovary wall

37
Q

Parts of pericarp

A

Exocarp, mesocarp, endocarp

38
Q

Develops from single ovary of a single flower

A

Simple fruit

39
Q

Two types of simple fruit

A

Fleshy or dry

40
Q

Simple fleshy fruit that has a soft fruit wall; fleshy at maturity; slimey inside; ex: banana, grapes, tomato

41
Q

Simple fleshy fruit that Has tough leathery rind ex: pomelo, orange

A

Hespiridium

42
Q

Simple fleshy fruit that has souft outer and hard inner ex: mango, avocado

43
Q

Simple fleshy fruit that has tough outer rind ex: pakwan, pumpkin, melon

44
Q

Simple fleshy fruit that has a fleshy part that developed from enlarged base of perianth which fused with ovary wall ex: pear, apple

45
Q

2 types of simple dry fruits

A

Dehiscent and indehescent

46
Q

Dehiscent fruit that slits open along several seams ex: cotton, durian

47
Q

Dehiscent fruit that opens along one suture to release seed ex: milkweed

48
Q

Dehiscent fruit that splits open along 2 sutures leaving a persistent wall ex: fruit cabbage

49
Q

Types of dehiscent fruit

A

Capsule, follicle, silique, legumes

50
Q

Dehiscent fruit that open along 2 seams ex: peapods, peanut, beans

51
Q

Indehescent fruits ______

A

Do not open at maturity

52
Q

Types of indehiscent fruit

A

Caryopsis, nuts, achene, cypsela, samara, schizocarp

53
Q

Two types of compound fruits

A

Aggregate and multiple

54
Q

Indehescent fruit that Has a seed coat fused to ovary wall

55
Q

Indehescent fruit that has a single ovary wall and seed coat remain separate; hard ovary wall

56
Q

Indehescent fruit that has a single seed which is attached to one point of pericarp ex: strawberry

57
Q

Indehescent fruit that is like achene

58
Q

Indehescent fruit that has wings

59
Q

Indehescent fruit that splits open and exposes one seeded indehescent segment

A

Schizocarp

60
Q

Compound fruit that Develops from One flower with many separate pistils, all ripening simultaneously ex: strawberry, raspberry

61
Q

Compound fruit that develops from ovaries of several flowers fused together on same stalk ex: pineapple, jackfruit

A

Multiple fruit

Biology20: Elementary Botany (Lecture) (13 decks)

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