Plant Development Flashcards

1
Q

Two purposes of reproduction

A

To perpetuate identical child plants by asexual reproduction

To perpetuate varied child plants by sexual reproduction

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2
Q

To perpetuate identical child plants by asexual reproduction

A

Mitosis

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3
Q

To perpetuate varied child plants by sexual reproduction

A

Meiosis

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4
Q

Enumerate the hormones for plant development

A

Cytokinins

Indoleacetic acid / auxins

Gibberellic acid

Abscisic acid

Ethylene

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5
Q

Hormones for cell division and differentiation

A

Cytokinins

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6
Q

Hormones for growth stop

A

Indoleacetic acid / auxins

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7
Q

hormones for germination and elongation

A

Gibberellic acid

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8
Q

Hormones for seed dormancy and drought resistance

A

Abscisic acid

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9
Q

Hormones for ripening, stress response, and lead abscission

A

Ethylene

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10
Q

Hormones that act as a catalyst

A

Ethylene

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11
Q

Other term for plant cycle

A

Heteromorphic diphasic

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12
Q

Meaning of the word hetero-

A

Different
Opposite
Separate
Non-uniform
More than two

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13
Q

meaning of the word di-

A

two

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14
Q

Other term for heteromorphic diphasic/ plant cycle

A

Diplobiontic alternation of generation

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15
Q

Meaning of the word “diphasic”

A

The plants have two phases (generations) alternants

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16
Q

Two generations or phases of plants

A

Gametophytes (n) and sporophytes (2n)

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17
Q

Meaning of the word “heteromorphic”

A

The two alternants are different in appearance

18
Q

Process where a haploid egg cell and haploid sperm cell of a species unite to form a diploid zygote

A

Fertilization/ syngamy

19
Q

Other term for syngamy

A

fertilization

20
Q

Start of the plant reproduction

A

Fertilization/ syngamy

21
Q

male gametophytes

A

Microgametophyte

22
Q

Microgametophytes ultimately produces ________

A

male gametes (sperm)

23
Q

What develops into a microgamete

A

microspores

24
Q

What develops into a megagametophyte

A

Megaspore

25
Q

Each megaspore produces a ________

A

Megagametophyte (Female gametophyte)

26
Q

Female gametophyte

A

Megagametophyte

27
Q

what is produced by megagametophytes

A

eggs

28
Q

Fusion of egg and sperm creates a _____

A

zygote

29
Q

What produces microspores

A

Microsporophytes

30
Q

How does microsporophytes become microspores

A

through meiosis

31
Q

Other term for pollen sacs

A

Microsporangia

32
Q

A receptable that contains microspores

A

microsporangium

33
Q

Where are microgametophytes found

A

In the anther and stamens

34
Q

What consists microgametophytes

A

generative cell along with two nuclei and a tube cell

35
Q

What is destroyed after fertilization

A

Microgametophytes

36
Q

Dispersed by external pollination agents in order to be deposited on the stigma of another flower

A

Microgametophytes

37
Q

Where is megagametophytes found

A

ovary and pistil of a flower

38
Q

Megagametophytes consists of _______

A

integuments, nucellus, and the embryo sacs

39
Q

develops into the seed after fertilization

A

Megagametophytes

40
Q

Not dispersed during pollination

A

Megagametophytes