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Gcse Edexcel Biology > 6: Plant Processes And Structure > Flashcards

6: Plant Processes And Structure Flashcards

(92 cards)

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1
Q

What is the primary function of chloroplasts in plant cells?

A

To conduct photosynthesis.

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2
Q

True or False: Xylem is responsible for transporting water and nutrients from the roots to the leaves.

A

True.

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3
Q

Fill in the blank: The process by which plants lose water vapor through small openings in their leaves is called __________.

A

transpiration.

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4
Q

What hormone is primarily responsible for promoting cell elongation in plants?

A

Auxin.

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5
Q

Which part of the plant is responsible for photosynthesis?

A

Leaves.

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6
Q

What is the process by which plants convert light energy into chemical energy?

A

Photosynthesis.

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7
Q

True or False: The phloem transports sugars and other metabolic products downward from the leaves.

A

False.

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8
Q

What is the role of stomata in plants?

A

To regulate gas exchange.

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9
Q

Which hormone is known as the ‘stress hormone’ in plants?

A

Abscisic acid.

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10
Q

What is the term for the process of cell division in plants?

A

Mitosis.

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11
Q

Fill in the blank: The protective outer layer of a plant is known as the __________.

A

epidermis.

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12
Q

What structure in plants is primarily involved in nutrient absorption?

A

Roots.

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13
Q

True or False: Gibberellins are plant hormones that promote seed germination.

A

True.

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14
Q

What is the name of the process where plants respond to light?

A

Phototropism.

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15
Q

Which part of the plant is responsible for reproduction?

A

Flowers.

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16
Q

What is the main function of the root system in plants?

A

To anchor the plant and absorb water and nutrients.

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17
Q

Fill in the blank: The __________ is a plant hormone that regulates fruit ripening.

A

ethylene.

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18
Q

What is the name of the tissue responsible for growth in plants?

A

Meristematic tissue.

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19
Q

True or False: The vascular system in plants consists of xylem and phloem.

A

True.

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20
Q

What is the function of the cuticle in plants?

A

To reduce water loss.

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21
Q

What is the main role of nitrogen in plants?

A

To support the synthesis of amino acids and proteins.

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22
Q

Fill in the blank: The __________ is the part of the plant that develops into a seed after fertilization.

A

ovule.

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23
Q

What is the process called when a plant grows towards gravity?

A

Gravitropism.

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24
Q

Which hormone is involved in the regulation of flowering in plants?

A

Florigen.

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25
What is the role of mycorrhizae in plant growth?
To enhance nutrient absorption.
26
True or False: Plants can only grow in soil.
False.
27
What is the term for the movement of water through a plant?
Transpiration stream.
28
What is the main purpose of plant respiration?
To convert glucose into energy.
29
Fill in the blank: The __________ is the main organ for photosynthesis in most plants.
leaf.
30
What is the role of potassium in plants?
To regulate stomatal opening and enzyme activity.
31
What is the term for the growth response of a plant to touch?
Thigmotropism.
32
True or False: Chlorophyll is the pigment responsible for the green color of plants and absorbs sunlight.
True.
33
What is the function of the cambium layer in plants?
To produce new xylem and phloem cells.
34
Fill in the blank: The __________ is a type of specialized connective tissue in plants that transports nutrients.
phloem.
35
What is auxin's role in plant growth?
To promote cell elongation and inhibit lateral growth.
36
What is the primary source of energy for photosynthesis?
Sunlight.
37
True or False: Plants can photosynthesize at night.
False.
38
What is the function of the flower's petals?
To attract pollinators.
39
Fill in the blank: The __________ is the part of the plant that consists of reproductive structures.
flower.
40
What is the term for the spreading of pollen from one flower to another?
Pollination.
41
What is the process called when a seed develops into a new plant?
Germination.
42
True or False: All plants reproduce sexually.
False.
43
What is the role of the ovary in a flower?
To contain ovules and develop into fruit after fertilization.
44
Fill in the blank: The __________ is the structure that supports the flower and connects it to the stem.
peduncle.
45
What is the primary purpose of the leaf's stomata?
To facilitate gas exchange.
46
What hormone promotes the closing of stomata during water stress?
Abscisic acid.
47
True or False: The root cap protects the root tip as it grows through the soil.
True.
48
What is the process of converting carbon dioxide into organic compounds by plants called?
Carbon fixation.
49
Fill in the blank: The __________ is the part of the plant that anchors it and absorbs water and nutrients.
root.
50
What is the term for the movement of leaves in response to sunlight?
Photoperiodism.
51
What is cytokinin's primary function in plants?
To promote cell division.
52
True or False: All plant hormones are produced in the same part of the plant.
False.
53
What is the structure that contains the seeds of a plant called?
Fruit.
54
Fill in the blank: The __________ is the tissue that transports water in plants.
xylem.
55
What is the growth response of plants to gravity called?
Gravitropism.
56
What is the primary role of calcium in plant cells?
To provide structural stability and support.
57
True or False: Phloem is made up of living cells.
True.
58
What is the term for a plant's response to seasonal changes in day length?
Photoperiodism.
59
Fill in the blank: The __________ is the male reproductive part of a flower.
stamen.
60
What is the term for the process by which plants respond to touch?
Thigmotropism.
61
True or False: All plants use the same method of reproduction.
False.
62
What hormone is known to promote the growth of fruit and flowers?
Gibberellins.
63
Fill in the blank: The __________ is the female reproductive part of a flower.
pistil.
64
What is the process called when a plant grows towards moisture?
Hydrotropism.
65
True or False: All plant cells contain chloroplasts.
False.
66
What is the term for the network of cells that transport nutrients and water in plants?
Vascular system.
67
Fill in the blank: The __________ is the part of the plant that supports leaves, flowers, and fruits.
stem.
68
What is the role of phosphorus in plants?
To aid in energy transfer and photosynthesis.
69
What is the term for the movement of a plant in response to environmental stimuli?
Tropism.
70
True or False: Plants produce oxygen during photosynthesis.
True.
71
What is the main function of the leaf blade?
To maximize light absorption.
72
Fill in the blank: The __________ is the outer protective layer of a plant organ.
epidermis.
73
What is the term for the process of water movement from the roots to the atmosphere?
Transpiration.
74
True or False: The primary role of roots is to produce flowers.
False.
75
What hormone is associated with fruit ripening?
Ethylene.
76
Fill in the blank: The __________ is a type of meristematic tissue that contributes to the lengthening of roots and shoots.
apical meristem.
77
What is the role of magnesium in plants?
To serve as a central atom in chlorophyll.
78
True or False: Plants can adapt to their environment through changes in growth patterns.
True.
79
What is the term for the protective structure that surrounds a developing seed?
Seed coat.
80
Fill in the blank: The __________ is a plant hormone that regulates growth and development.
auxin.
81
What is the term for the period of dormancy in seeds?
Seed dormancy.
82
True or False: Plants can only absorb nutrients through their leaves.
False.
83
What is the primary function of the petiole?
To connect the leaf blade to the stem.
84
Fill in the blank: The __________ is the area of growth in a plant where new cells are formed.
meristem.
85
What is the function of the vascular cambium?
To produce secondary xylem and phloem.
86
True or False: Stomata are involved in photosynthesis only.
False.
87
What is the term for the process of converting light energy into chemical energy in plants?
Photosynthesis.
88
Fill in the blank: The __________ is the pigment that captures light energy for photosynthesis.
chlorophyll.
89
What is the main purpose of the root hairs?
To increase surface area for water absorption.
90
True or False: Plants do not require water for photosynthesis.
False.
91
What is the function of the sieve tubes in phloem?
To transport sugars and nutrients.
92
Fill in the blank: The __________ is the region of the plant where photosynthesis occurs.
leaf.

Gcse Edexcel Biology (1 decks)

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