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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): If CO2 is increasing continuously, there will be an increase in photosynthesis.
Reason (R): CO2 is the main substrate of photosynthesis.
Assertion(A): If CO2 is increasing continuously, there will be an increase in photosynthesis.
Reason (R): CO2 is the main substrate of photosynthesis.
- a)Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
- b)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- c)Assertion is false but Reason is true.
- d)Both Assertion and Reason are false.
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
In the following question, a Statement of Assertion (A) is given follo...
CO2 is limiting factor in photosynthesis and it increases up to certain extend increase photosynthesis it have small value for both C3 and C4 plant and maximum concentration of 0.05 up to which photosynthesis increases but 1 statement say continously so it becomes wrong and second is right because by using CO2 , plant makes food by fixing it. So assertion is false but reason is true.
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In the following question, a Statement of Assertion (A) is given follo...
CO 2 is limiting factor in photosynthesis and it increases up to certain extend increase photosynthesis it have small value for both C3 and C4 plant and maximum concentration of 0.05 up to which photosynthesis increases but 1 statement say continously so it becomes wrong and second is right bcz by using CO 2 plant makes food by fixing it so 2 true
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In the following question, a Statement of Assertion (A) is given follo...
Assertion(A): If CO2 is increasing continuously, there will be an increase in photosynthesis.
Reason (R): CO2 is the main substrate of photosynthesis.
The correct answer is option 'C', which means the assertion is false but the reason is true. Let's understand why.
Explanation:
Photosynthesis and CO2:
Photosynthesis is the process by which green plants, algae, and some bacteria convert carbon dioxide (CO2) and water into glucose and oxygen, using sunlight as the source of energy. This process takes place in the chloroplasts of plant cells.
Role of CO2 in Photosynthesis:
CO2 plays a crucial role in photosynthesis as it is the main substrate required for the process. During photosynthesis, CO2 is taken in by plants through tiny openings called stomata on the surface of leaves. Inside the chloroplasts, CO2 combines with water (H2O) in the presence of sunlight and chlorophyll to produce glucose (C6H12O6) and oxygen (O2).
Relationship between CO2 and Photosynthesis:
The relationship between CO2 concentration and the rate of photosynthesis is complex and can be influenced by various factors such as light intensity, temperature, and availability of other nutrients. However, in general, an increase in CO2 concentration can lead to an increase in the rate of photosynthesis, up to a certain threshold.
Reasoning the Assertion and Reason:
The reason given in the statement is accurate, stating that CO2 is the main substrate of photosynthesis. However, the assertion that an increase in CO2 concentration will always result in an increase in photosynthesis is not entirely true.
Limiting Factors:
Photosynthesis is not solely dependent on CO2 concentration. It is also influenced by other factors such as light intensity and availability of water and nutrients. These factors, along with CO2 concentration, can act as limiting factors for photosynthesis. If any of these factors are not optimal, it can limit the rate of photosynthesis, even if CO2 concentration is high.
Threshold Effect:
Additionally, there is a threshold effect observed in photosynthesis, where the rate of photosynthesis increases with an increase in CO2 concentration, but only up to a certain point. Beyond this point, further increases in CO2 concentration may not lead to a proportional increase in photosynthesis. This is because other factors, such as light intensity, become limiting factors.
Conclusion:
In conclusion, while CO2 is indeed the main substrate of photosynthesis, the assertion that an increase in CO2 concentration will always result in an increase in photosynthesis is false. Other factors, such as light intensity and availability of water and nutrients, also play crucial roles in the process. Therefore, option 'C' is the correct answer.
Reason (R): CO2 is the main substrate of photosynthesis.
The correct answer is option 'C', which means the assertion is false but the reason is true. Let's understand why.
Explanation:
Photosynthesis and CO2:
Photosynthesis is the process by which green plants, algae, and some bacteria convert carbon dioxide (CO2) and water into glucose and oxygen, using sunlight as the source of energy. This process takes place in the chloroplasts of plant cells.
Role of CO2 in Photosynthesis:
CO2 plays a crucial role in photosynthesis as it is the main substrate required for the process. During photosynthesis, CO2 is taken in by plants through tiny openings called stomata on the surface of leaves. Inside the chloroplasts, CO2 combines with water (H2O) in the presence of sunlight and chlorophyll to produce glucose (C6H12O6) and oxygen (O2).
Relationship between CO2 and Photosynthesis:
The relationship between CO2 concentration and the rate of photosynthesis is complex and can be influenced by various factors such as light intensity, temperature, and availability of other nutrients. However, in general, an increase in CO2 concentration can lead to an increase in the rate of photosynthesis, up to a certain threshold.
Reasoning the Assertion and Reason:
The reason given in the statement is accurate, stating that CO2 is the main substrate of photosynthesis. However, the assertion that an increase in CO2 concentration will always result in an increase in photosynthesis is not entirely true.
Limiting Factors:
Photosynthesis is not solely dependent on CO2 concentration. It is also influenced by other factors such as light intensity and availability of water and nutrients. These factors, along with CO2 concentration, can act as limiting factors for photosynthesis. If any of these factors are not optimal, it can limit the rate of photosynthesis, even if CO2 concentration is high.
Threshold Effect:
Additionally, there is a threshold effect observed in photosynthesis, where the rate of photosynthesis increases with an increase in CO2 concentration, but only up to a certain point. Beyond this point, further increases in CO2 concentration may not lead to a proportional increase in photosynthesis. This is because other factors, such as light intensity, become limiting factors.
Conclusion:
In conclusion, while CO2 is indeed the main substrate of photosynthesis, the assertion that an increase in CO2 concentration will always result in an increase in photosynthesis is false. Other factors, such as light intensity and availability of water and nutrients, also play crucial roles in the process. Therefore, option 'C' is the correct answer.
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-Assertion(A): If CO2 is increasing continuously, there will be an increase in photosynthesis.Reason (R): CO2 is the main substrate of photosynthesis.a)Both Assertion and Reason are true and Reason is the correct explanation of Assertion.b)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.c)Assertion is false but Reason is true.d)Both Assertion and Reason are false.Correct answer is option 'C'. Can you explain this answer?
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