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