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GenBio_plant rep > Development structure > Flashcards

Development structure Flashcards

1
Q

What is Aginosperm

A

Plants that produces flowers and bears seeds in fruits.

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2
Q

What is Gymnosperm

A

Seed-producing plants

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3
Q

What is the difference between aginosperm and gymnosperm?

A

How their seeds are developed. The aginosperm develop in the ovaries of flowers and are surrounded by a protective fruit, while gymnosperm seed are usuallyformed in unisexual cones(strobili) and plants lack fruits and flowers.

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4
Q

Flowers can be unisexual means

A

Female flowers and Male flower

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5
Q

Flowers can be bisexual means

A

the flowers have male and female parts

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6
Q

What is a monocot

A

Have one cotyledon

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7
Q

What is a dicot

A

Have two cotyledon

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8
Q

What is the difference between monocot and dicot

A

The plants’s life cycle leads each plant to develop vast differences.

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9
Q

What is the first stem in breaking dormancy

A

Germination

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10
Q

What do you call the embryo that emits hormone?

A

Gibberllin

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11
Q

What happens after gibberllin

A

it is diffuses through seeed to trigger the peoduction od digestive enzymes abd strat the development process

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12
Q

What do seeds need to germinate?

A

Water, Oxygen and Warm Temp.

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13
Q

Maristems

A

Regions of actively dividing cells

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14
Q

what are the divisions of maristems

A

Apical maristems, lateral maristems, Intercalary maristems

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15
Q

location of Apical maristems

A

found in the tips of roots ans shoots

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16
Q

location od lateral maristems

A

situated in the vascular and cork cambia

17
Q

location of Intercalary maristems

A

located at the internodes and leaf bases.

18
Q

What is an autotrophs

A

organisms that obtain energy
from sunlight and chemicals to produce their
own food.

19
Q

What is an heterotrophs

A

organism that cannot make their own food and obtain their energy from other organism

20
Q

Classification of organism based on the mode of nutrition

A

Heterotrops and Autotrophs

21
Q

Nutrients needed by plants in large amounts

A

Macronutrients

22
Q

What are Nitrogen

A

Can be provided in a form or amonia, it is usually absorbed in the form of nitrate

23
Q

What is the significance of nitrogen

A

Needed forproper leaf growth and development

24
Q

What is potassium

A

early known plant nutrien, is traditionally added to the soil in the form of wood ash

25
Q

Importance of Potassium in plant

A

Important for maintaining the membrane potential of plant cell, and perhaps their turgidity

26
Q

What is phosphorus

A
27
Q

What is Sulfur?

A
28
Q

What is Calcium

A
29
Q

What is Magnesium

A
30
Q

What are the Adaptations

A

root hairs, root nodules, mycorrhizae

31
Q
A

GenBio_plant rep (5 decks)

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