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Homework - Photosynthesis
Homework - Photosynthesis
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Homework - Photosynthesis
Slide 1 - Tekstslide
Slide 2 - Tekstslide
What is the main energy source for plants and algae?
A
Nutrients
B
Carbon dioxide
C
Sunlight
D
Water
Slide 3 - Quizvraag
Which process do plants use to make glucose?
A
Photosynthesis
B
Fermentation
C
Transpiration
D
Respiration
Slide 4 - Quizvraag
What is the waste product of photosynthesis?
A
Oxygen
B
Glucose
C
Water
D
Carbon dioxide
Slide 5 - Quizvraag
Where do algae usually live?
A
On land
B
In the air
C
Underwater
D
In soil
Slide 6 - Quizvraag
What do algae lack compared to plants?
A
Chlorophyll
B
Leaves, stems, and roots
C
Flowers
D
Sunlight absorption
Slide 7 - Quizvraag
Slide 8 - Tekstslide
Where is sunlight absorbed in plant cells?
A
Mitochondria in root cells
B
Vacuoles in stem cells
C
Chloroplasts in leaf cells
D
Cytoplasm in flower cells
Slide 9 - Quizvraag
How is water transported to the leaves in plants?
A
Through stem capillaries
B
Through phloem tubes
C
Through leaf veins
D
Through xylem tubes
Slide 10 - Quizvraag
What diffuses into the leaves through stomata?
A
Water vapor
B
Nitrogen
C
Carbon dioxide
D
Oxygen
Slide 11 - Quizvraag
How is waste oxygen released from plant leaves?
A
Through stomata
B
Through root cells
C
Through chloroplasts
D
Through xylem tubes
Slide 12 - Quizvraag
Where is chlorophyll, the green pigment, found in plants?
A
Cytoplasm in flower cells
B
Nucleus of stem cells
C
Mitochondria in root cells
D
Chloroplasts in leaf cells
Slide 13 - Quizvraag
Slide 14 - Tekstslide
What is the main site of photosynthesis in a leaf?
A
Spongy layer
B
Vein cells
C
Waxy layer
D
Palisade layer
Slide 15 - Quizvraag
What is the function of the stomata on the leaf?
A
Absorb sunlight
B
Produce oxygen
C
Transport water and glucose
D
Allow gases to diffuse in and out
Slide 16 - Quizvraag
What is the role of the guard cells in the leaf?
A
Open and close the stomata
B
Produce glucose
C
Support the leaf structure
D
Store water and nutrients
Slide 17 - Quizvraag
What is the purpose of the waxy layer on the top of the leaf?
A
Reduce water evaporation
B
Regulate gas exchange
C
Protect from physical damage
D
Increase photosynthesis efficiency
Slide 18 - Quizvraag
Which layer of the leaf contains air spaces for gas diffusion?
A
Vein cells
B
Spongy layer
C
Waxy layer
D
Palisade layer
Slide 19 - Quizvraag
Slide 20 - Tekstslide
What is the purpose of boiling the leaf in the first step of testing for starch?
A
To remove excess water from the leaf.
B
To break down and soften the leaf tissue.
Slide 21 - Quizvraag
What happens to the color of the leaf when drops of iodine are added if starch is present?
A
It remains yellow.
B
It turns from yellow to blue-black.
Slide 22 - Quizvraag
How can the rate of photosynthesis of an aquatic plant be measured?
A
By counting bubbles of gas given off.
B
By measuring the water temperature.
Slide 23 - Quizvraag
What gas is collected when measuring the rate of photosynthesis of an aquatic plant?
A
Oxygen, which can relight a glowing splint.
B
Carbon dioxide, which extinguishes a glowing splint.
Slide 24 - Quizvraag
What is the purpose of using ethanol after boiling the leaf in starch testing?
A
To remove all the chlorophyll from the leaf.
B
To enhance the color change in the leaf.
Slide 25 - Quizvraag
Slide 26 - Tekstslide
How does light intensity affect the rate of photosynthesis?
A
Decreases the rate of photosynthesis
B
Stops photosynthesis
C
Increases the rate of photosynthesis
D
Has no effect on photosynthesis
Slide 27 - Quizvraag
What happens if the temperature is too low for photosynthesis?
A
Stops photosynthesis
B
Has no effect on photosynthesis
C
Photosynthesis will speed up
D
Photosynthesis will be slower
Slide 28 - Quizvraag
What impact does an increase in temperature have on photosynthesis?
A
Speeds up photosynthesis
B
Photosynthesis will stop
C
Has no effect on photosynthesis
D
Slows down photosynthesis
Slide 29 - Quizvraag
What is the relationship between light intensity and photosynthesis?
A
No relationship
B
Inversely proportional
C
Directly proportional
D
Randomly fluctuating
Slide 30 - Quizvraag
What is the effect of the optimum temperature on photosynthesis?
A
Stops photosynthesis
B
Maximizes photosynthesis rate
C
Has no effect on photosynthesis
D
Minimizes photosynthesis rate
Slide 31 - Quizvraag
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