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science grade 10 > Biology - Plant system > Flashcards

Biology - Plant system Flashcards

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Biology 101 flashcards
1
Q

Do plants create their own food? How?

A

Yes, due to photosynthesis

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2
Q

3 functions plants perform

A
  1. Gas exchange with surroundings
  2. Internal transportation system to move water & nutrients
  3. A method of reproduction
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3
Q

2 main body systems

A
  1. Root System
  2. Shoot system
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4
Q

Where is the root system in a plant?

A

Consists of organs that grow below the ground

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5
Q

Can root system part be exposed to air (aerial)?

A

Yes

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6
Q

3 things the root system is responsible for:

A
  1. Anchoring the plant to the ground
  2. Absorption of water/minerals from the soil
  3. storage of food (glucose) ex. root vegetables
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7
Q

where do the parts of a shoot system grow?

A

Above the surface

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8
Q

2 things the shoot system is responsible for

A
  1. Photosynthesis
  2. Flower production for reproductive purposes
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9
Q

3 parts the shoot system is composed of

A
  1. Leaf
  2. Flower
  3. Stem
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10
Q

Leaves: In what organelle does photosynthesis occur in?

A

Chloroplasts

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11
Q

What do chloroplasts in leaves do?

A

They absorb light energy (sunlight)

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12
Q

Photosynthesis (food) formula:

A

light energy + CO2 + water -> oxygen + glucose

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13
Q

3 functions leaves include

A
  1. support
  2. protection
  3. reproduction & attraction
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14
Q

Why does a plant put energy into producing a flower?

A

Reproduction

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15
Q

what part of the shoot system includes male and female structures?

A

Flowers

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16
Q

Is pistol a male or female reproductive system? what does it contain of?

A

Female. Made up of Stigma, style and ovary

17
Q

How does the female reproductive system work?

A

Once the egg/ovule has been pollinated it becomes a seed inside the protective of the fruit

18
Q

Is stamen a male or female reproductive system? what does it contain of?

A

Male. Made up of Anther and Filament where the pollen is produced

19
Q

What provides a way to transport materials to and from the roots, leaves, flowers, and fruit?

A

Stem

20
Q

What do stems store? example

A

Glucose / water

example:
cacti holds water in their stems during droughts

21
Q

3 types of tissues in plants

A
  1. dermal
  2. vascular
  3. Ground
22
Q

what is a dermal tissue?

A

The outermost layer of cells that covers and protects the plant; barrier and prevents from water loss

23
Q

what is a vascular tissue?

A

transports water, nutrients, and other chemicals throughout the plant

24
Q

What are the 2 types of vascular tissues?

A

Xylem & Phloem

25
Q

what does xylem do?

A

conducts water and dissolved minerals UPWARD from the roots to the rest of the plant.

26
Q

what does phloem do?

A
  1. Transports sugars and other organic molecules produced during photosynthesis from the leaves to other parts of the plants
  2. Two-way flow
27
Q

What is it called when all the tissues between dermal and vascular, compose another tissue?

A

Ground tissue

28
Q

what does the ground tissue store: In roots

A

Storage of carbohydrates

29
Q

Where is storage and support provided in ground tissue?

A

Stems

30
Q

What type of cell does a plant have that can differentiate into specialized TISSUES?

A

Meristematic Cells

31
Q

What will meristematic cells in a plant do?

A

Continue to divide throughout the life of the plant

32
Q

Which 2 spots are meristematic cells located in?

A
  1. Apical meristem - located at the tip of shoots and roots allowing a plant to grow LONGER
  2. Lateral meristem - located in the stem & roots allowing a plant to grow WIDER
33
Q

Why’s a leaf’s surface a waxy cuticle?

A

To prevent water loss

34
Q

What cells create openings in a leaf’s cuticle?

A

Guard Cells

35
Q

What is the motive of a guard cell?

A

creating openings that allows carbon dioxide to enter the leaf for use in photosynthesis

36
Q

What are the openings in the leaf called?

A

Stomata

37
Q

Where is the stomata located to prevent water loss?

A

They are located on the underside of leaves to reduce water loss through evaporation; allowing the upper surface to be used for photosynthesis

science grade 10 (10 decks)

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