Whether nickel is an essential element for barley. Given: Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass. Some seeds out of the total harvest were grown in nickel-free conditions to test their germination. Introduction: Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Question

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Answer 1

Question

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

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Answer 2

Question

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

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Answer 3

Question

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

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Answer 4

Question

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

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Answer 5

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

Answer 6

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

Answer 7

Chapter 35, Problem 1Q

Summary Introduction

To analyze:

Whether nickel is an essential element for barley.

Given:

Barley plants were grown over three generations in the below-mentioned concentrations. All the seeds from each plant were harvested and were examined for their number and mass.

Some seeds out of the total harvest were grown in nickel-free conditions to test their germination.

Introduction:

Plant growth is dependent on the availability of essential nutrients. The scarcity of nutrients, which impairs or stunts the growth of the plant, leads to many diseases and in extreme cases, plant’s death. Some nutrients like nitrogen and calcium are required by the plant in larger concentration and are called macronutrients. Micronutrients (like zinc and copper), on the other hand, are only required in minute quantities by the plant, but are still essential for the plant growth.

Answer 8

Expert Solution & Answer

Explanation of Solution

Through the table, it can be gathered that concentrations of 0 μM and 0.6 μM of nickel in the growth solution did not witness a vast difference in the seed set. A nickel concentration of 1.0 μM, on the other hand, showed an increase in the harvest by 20 and an increase in mass by 1.1 g dry weight with respect to the control.

On testing for germination, the results showed drastic differences. Only 20% of seeds treated with 0 μM nickel germinated while 40–80% of seeds treated with 0.6 μM nickel showed germination. Maximum germination (beyond 90%) of seeds was observed in the third set of seeds that were treated with 1.0 μM nickel solution.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Therefore, on analyzing the results from the table and the graph, it can be concluded that nickel is essential for the growth of barley. In presence of optimum nickel quantity, seed set is enhanced and percent germination also increases. On the other hand, it is not a major determinant of mass and the number of seeds produced.

Answer 12

Ch. 35.1 - Prob. 1R Ch. 35.1 - Prob. 2R Ch. 35.2 - Prob. 1R Ch. 35.2 - Prob. 2R Ch. 35.3 - Prob. 1R Ch. 35.3 - Prob. 2R Ch. 35.3 - Prob. 3R Ch. 35.4 - Prob. 1R Ch. 35.4 - Prob. 2R Ch. 35.4 - Prob. 3R

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