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Duplicate of Edexcel 9-1 Biology Plant structures Flashcards | StudBud
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Duplicate of Edexcel 9-1 Biology Plant structures
Duplicate of Edexcel 9-1 Biology Plant structures
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#GCSE #9-1 #Edexcel #Biology #Plants #photosynthesis
Flashcards
22 cards
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Questions
22
Answers
1
Plants and ________ use photosynthesis to create glucose.
Algae
Viruses
Fungi
Bacteria
2
Why do minerals enter the root hair cell through active transport?
It needs energy for it to be transported
It needs water to be transported
Its moving from a low concentration to a high concentration
Its moving from a high concentration to a low concentration
3
What causes the flow of sucrose through a plant in translocation?
Pumping from the companion cells
Diffusion from the seive cells
Pumping from the seive cells
Diffusion from the companion cells
4
Why do plants need water?
Respiration
Keeping cells rigid
Photosynthesis
Carrying dissolved minerals
5
Which limiting factor of photosynthesis, does this graph represent?
Temperature
Lack of sunlight
Lack of carbon dioxide
Lack of water
6
How does water pass through the membrane of root hair cells?
Diffusion
Osmosis
Movement
Active transport
7
Producers produce their own biomass. What is biomass?
The mass of a population of the plant
The materials in an organism
How heavy an organism is
A type of renewable fuel
8
How can we find the rate of transpiration of a plant using a potometer?
Time taken / √distance bubble moves
Distance bubble moves x time taken
Distance bubble moves / time taken
Time taken for bubble to move / distance moved
9
Where in a cell does photosynthesis occur?
Chlorophyll
Ribosome
Chloroplast
Mitochondira
10
Which sugar is transported by the phloem?
Lactose
Fructose
Glucose
Sucrose
11
Which type of plant cells contain the most chloroplasts?
Stomata
Guard cells
Spongy mesophyll
Pallisade cells
12
How have xylem adapted to their role?
They are made of dead cells with no cytoplasm
They have thick side walls containing lignin
They have no pores to allow water out
They have thin side cell walls
13
At night what causes the guard cells to close the stomata?
Water flows out of the guard cells making them rigid
Water flows into the guard cells making them rigid
Water flows into the guard cells making them flaccid
Water flows out of the guard cells making them flaccid
14
Which cells transport water in plants?
Xylem
Phloem
Seive Cells
Companion Cells
15
A plant is usually which part of a food web?
Consumer
Predator
Prey
Producer
16
Complete the balanced symbol equation: 6CO
2
+ 6H
2
O --> _________ + _________
6C6H12O6 + O2
C6H12O6 + 6O2
C6H6O12 + 6O2
6C6H6O12 + O2
17
We can investigate the rate of transpiration in a plant using which piece of equipment?
Transpirator
Translocator
Plantometer
Potometer
18
What is a limiting factor?
A factor that stops the rate of photosynthesis increasing
A factor that speeds up photosynthesis
A factor that stops photosynthesis
A factor that denatures enzymes
19
The tiny holes under the leaf (stomata) allow carbon dioxide to get into the leaf through______
Active transport
Diffusion
Osmosis
movement
20
What pulls water up the plant in transpiration?
Water evaporating from the stomata
New water entering the roots
Weak forces of attraction between water molecules
Active transport
21
How do minerals enter the root hair cell from the soil?
Active transport
Movement
Diffusion
Osmosis
22
Complete the word equation for photosynthesis: ___________ + _________ --> Glucose + Oxygen
Nitrogen + Water
Light + Water
Nitrogen + Carbon dioxide
Carbon dioxide + Water
