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What is the primary role of green plants during photosynthesis?
What is the primary role of green plants during photosynthesis?
- To consume glucose and release nitrogen
- To use oxygen and release carbon dioxide
- To produce food using carbon dioxide and produce oxygen (correct)
- To absorb sunlight and release heat energy
What colour does the hydrogencarbonate indicator turn in the presence of a higher than normal level of carbon dioxide?
What colour does the hydrogencarbonate indicator turn in the presence of a higher than normal level of carbon dioxide?
- Yellow (correct)
- Green
- Red
- Purple
What can be concluded if the indicator in tube A turns purple after five hours?
What can be concluded if the indicator in tube A turns purple after five hours?
- The leaves are taking in carbon dioxide (correct)
- The leaves are releasing carbon dioxide
- The initial carbon dioxide level was high
- The leaves are not photosynthesizing
Why are tubes B and D considered control setups in the experiment?
Why are tubes B and D considered control setups in the experiment?
What happens to the color of the hydrogencarbonate indicator in tube C under dark conditions?
What happens to the color of the hydrogencarbonate indicator in tube C under dark conditions?
What is observed in tube B after five hours when no leaves are present?
What is observed in tube B after five hours when no leaves are present?
What do the results indicate about the role of green leaves in gas exchange?
What do the results indicate about the role of green leaves in gas exchange?
What would be the expected color change in tube D after five hours in bright light?
What would be the expected color change in tube D after five hours in bright light?
What is the primary process that occurs in plants under light conditions?
What is the primary process that occurs in plants under light conditions?
What is the result of the gas exchange in plants during dark conditions?
What is the result of the gas exchange in plants during dark conditions?
What role do stomata play in plants?
What role do stomata play in plants?
Which statement accurately describes the net uptake of gases during photosynthesis?
Which statement accurately describes the net uptake of gases during photosynthesis?
What is the correct magnification to start observing a prepared slide of leaf epidermis?
What is the correct magnification to start observing a prepared slide of leaf epidermis?
Which of the following is NOT a function of stomata?
Which of the following is NOT a function of stomata?
What is the key point regarding gas exchange in plants?
What is the key point regarding gas exchange in plants?
What type of drawing is recommended for the observation of stomata under the microscope?
What type of drawing is recommended for the observation of stomata under the microscope?
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