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Biology > 2.4 Reproduction in plants > Flashcards

2.4 Reproduction in plants Flashcards

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1
Q

These higher plants belong to a group of gymnosperms known as _.

A

conifers

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2
Q

T/F
Most conifers have narrow, needle shaped leaves with thin cuticle, which enable them to live in extremely cold and hot environments.

A

False, they have thin cuticles

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3
Q

Most conifers have narrow, needle shaped leaves with thick cuticle, which enable them to live in _ and _ environments.

A

extremely cold and hot

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4
Q

_ are evergreen and do not shade their leaves both in winter and summer.

A

Conifers

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5
Q

T/F
Conifers are evergreen and they shed their leaves both in winter and summer.

A

False, they don’t shed their leaves

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6
Q

Podocarpus falcatus (“_“)

A

Zigba

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7
Q

Juniperus procera (“_”)

A

Tid

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8
Q

T/F
A pine tree has male and female cones on different plants.

A

False, they are on one plant

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9
Q

Initially, pollen is transferred from the _ cone to the _ cone.

A

male, female

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10
Q

Define pollination.

A

It’s the process by which pollen is transferred from the male cone to the female cone.

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11
Q

Initially, pollen is transferred from the male cone to the female cone. The process is called _ and occurs with the help of _.

A

pollination, wind

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12
Q

Following pollination, the pollen completes its _.

A

germination

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13
Q

Following _, the pollen completes its germination.

A

pollination

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14
Q

Following pollination, the pollen completes its germination and produces the _ inside the _.

A

male gamete, female cone

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15
Q

The _ is also produced in the female cone.

A

female gamete

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16
Q

The male and female gametes fuse (unite) and form a _.

A

zygote

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17
Q

Define fertilization.

A

It is the process by which the male and female gametes fuse (join) to for a zygote (fertilized egg).

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18
Q

A zygote develops into a _ inside the female cone.

A

seed embryo

19
Q

A zygote develops into a seed embryo inside the _.

A

female cone

20
Q

After the seed is matured, the seed embryo is liberated upon _ and _ of the female cone.

A

drying and opening

21
Q

T/F
Then the seed will be dispersed or scattered close to the parent plant and germinates into a seedling (young pine plant) upon getting favorable conditions.

A

False, it is scattered away from the parent plant.

22
Q

_ is the reproductive organ of angiosperms, plants with seeds covered by or contained in a fruit.

A

A flower

23
Q

A typical flower has four floral parts, namely:

A

Sepals, Petals, Stamen, and Pistil.

24
Q

_ – usually green leaf-like structure protecting the lower part of female and male parts

A

Sepals

25
Q

_ – mostly brightly colored and attract pollinating agents like insects

A

Petals

26
Q

_ – usually green leaf-like structure protecting the
lower part of female and male parts.

A

Calyx/Sepals

27
Q

_ – mostly brightly colored and attract pollinating
agents like insects

A

Corolla/Petals

28
Q

_ - is the male part, consisting of the filament and bilobed anther

A

Stamen

29
Q

_ – is the female part, consisting of the
ovary with ovules, style and stigma.

A

Pistil

30
Q

_ – is the male part, consisting of the filament and bilobed anther

A

Androecium/Stamen

31
Q

_ – is the female part, consisting of the ovary with ovules, style and stigma.

A

Gynoecium or carpel/Pistil

32
Q

A complete flower has _ floral parts.

A

four

33
Q

A flower is called _ if it does not have any one of the floral parts.

A

incomplete flower

34
Q

A perfect flower has both _ and _.

A

stamen and pistil

35
Q

If a flower does not have either stamen or pistil, it is known as _.

A

imperfect flower

36
Q

An imperfect flower is either _ (has pistil and no stamen) flower.

A

pistilated

37
Q

An imperfect flower is either _ (has stamen but no pistil) flower.

A

staminated

38
Q

T/F
An incomplete flower is an imperfect flower, but an imperfect flower may or may not be an incomplete flower.

A

False, it’s all the other way around. An imperfect flower is an incomplete flower, but an incomplete flower may or may not be an imperfect flower.

39
Q

Pollination is the transfer of pollen grains from the _ of a stamen to the _ of the pistil.

A

anther, stigma

40
Q

Pollination can be between stamen and pistil on one flower or between flowers on one plant (_)

A

Self Pollination

41
Q

Pollination can be between two flowers on different plants (_).

A

cross-pollination

42
Q

Pollination requires pollinating agents such as _ or _.

A

insects or wind

43
Q

T/F
There is a strong relationship between the nature of the flower and the pollinating agents

A

True

44
Q
A

Biology (9 decks)

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