The table below shows the role of different substances during photosynthesis. Which of the following statements would correct one of the roles listed in the table?

Oxygen is formed along with glucose during photosynthesis.

Glucose combines with water to form carbon dioxide.

Glucose reacts with carbon dioxide during photosynthesis.

Chlorophyll stores chemical energy needed for photosynthesis.

The table below shows the role of different substances during photosynthesis. Which of the following statements would correct one of the roles listed in the table?

Water combines with carbon dioxide during photosynthesis.

Glucose combines with carbon to form water.

Chlorophyll reacts with light to produce carbon dioxide.

Chlorophyll stores chemical energy needed for photosynthesis.

Which of the following statements would correct one of the roles listed in the table?

Glucose stores the chemical energy.

Carbon dioxide is formed with glucose.

Chlorophyll reacts with light to produce carbon dioxide.

Chlorophyll stores chemical energy needed for photosynthesis.

Which of the following statements would correct one of the roles listed in the table?

Chlorophyll absorbs the light needed for photosynthesis.

Water combines with oxygen to form glucose.

Water is formed with sugar during photosynthesis.

Sunlight is not transformed into other forms of energy.

The chemical equation shown represents photosynthesis. What is the role of substance A in photosynthesis?

It combines with water to form glucose.

It traps light energy from the atmosphere.

It cools the atmosphere by changing into vapor.

It changes into hydrogen in the presence of light.

The chemical equation shown represents photosynthesis. X represents a substance in a plant involved in photosynthesis. What is its role?

It traps light energy and converts it into chemical energy.

It stores chemical energy for plants and animals.

It combines with carbon dioxide and light to form glucose.

It combines with carbon dioxide and light to form hydrogen.

The chemical equation shown represents photosynthesis. What is the role of substance B in photosynthesis?

It converts light into chemical energy.

It traps light energy from the atmosphere.

It cools the atmosphere by changing into vapor.

The chemical equation shown represents photosynthesis. What is the role of substance A in photosynthesis?

It combines with carbon dioxide and light to form glucose.

It stores chemical energy for plants and animals.

It traps light energy and converts it into chemical energy.

It combines with carbon dioxide and light to form hydrogen.

Which of the following is true about the products formed during photosynthesis?

They have the same mass as the mass of reactants.

They are the same set of compounds as the reactants.

They have more mass than the mass of reactants.

They are chemically the same as the reactants.

What happens to the amount of energy that is used up during photosynthesis?

It changes to an equal amount of chemical energy.

It changes to a lesser amount of chemical energy.

It changes to a higher amount of solar energy.

It changes to an equal amount of solar energy.

What happens to matter that is used up during photosynthesis?

It changes to a new form of matter with the same mass.

It retains its form but increases in mass.

It changes to a new form of matter with less mass.

Which of the following is true about the amount of energy that is stored in plant cells during photosynthesis?

It forms from an equal amount of radiant energy.

It forms from an equal amount of potential energy.

It forms from a lower amount of potential energy.

It forms from a lower amount of radiant energy.

The balanced equation for photosynthesis is shown below. 6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O 2 What best explains whether mass is conserved or not conserved during photosynthesis?

It is conserved because the total number of H atoms on each side is 12.

It is not conserved because the total number of H atoms is 6 more than the total number of C atoms.

It is not conserved because the total number of O atoms is 6 more than the total number of H atoms.

It is conserved because the total number of O atoms on each side is 2.

The balanced equation for photosynthesis is shown below. 6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O 2 Using the above equation, how would you prove the law of conservation of mass?

By showing that the numbers of atoms of the same type are equal on both sides.

By showing that the numbers of atoms of different types are equal on both sides.

By showing that the numbers of atoms of different types are not equal on both sides.

By showing that the numbers of atoms of the same type are not equal on both sides.

The balanced equation for photosynthesis is shown below. 6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O 2 Which statement best justifies the conservation of mass during photosynthesis?

The total number of carbon atoms on both sides is 6.

The total number of hydrogen atoms on both sides is 18.

The number of oxygen atoms is equal to the number of carbon atoms on each side.

The number of oxygen atoms is equal to the number of hydrogen atoms on each side.

The balanced equation for photosynthesis is shown below. 6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O2 What best explains whether mass is conserved or not conserved during photosynthesis?

It is conserved because the total number of O atoms on each side is 18.

It is not conserved because the total numbers of H atoms and O atoms are not equal on both sides.

It is not conserved because the total numbers of O atoms and C atoms are not equal on both sides.

It is conserved because the total number of H atoms on each side is 1.

Which of the following processes does not take place during cellular respiration?

Hydrogen of water is separated from oxygen.

Chemical energy stored in food is utilized by the cell.

Which of the following steps does not take place during cellular respiration?

Oxygen combines with carbon dioxide.

Energy is transferred to cells.

Energy and other products are released.

Which of the following steps is not likely to take place during cellular respiration?

Oxygen combines with carbon of simple sugar.

Energy molecule transfers energy to cells.

Which of the following processes is not a part of cellular respiration?

Energy and other products are released.

Energy molecules transfer energy to cells.

Oxygen combines with carbon of simple sugar.

Which of the following is an example of aerobic respiration?

Respiring while swimming underwater

Which of the following is an example of anaerobic respiration?

Oxygen diffusing into a plant cell through stomata

Physical exchange of gases in the lungs

Breaking down of glucose with oxygen inside an animal cell

Which of the following is an example of aerobic respiration?

Breaking down of glucose with oxygen inside an animal cell

Lactic acid fermentation in human muscles

Physical exchange of gases in human lungs

Respiration during vigorous physical exercise

Which of the following is an example of anaerobic respiration?

Respiring while swimming underwater

Oxygen diffusing into a plant cell through stomata

Breaking down of glucose with oxygen inside an animal cell

How would cellular respiration be impacted in the absence of photosynthesis?

Both reactants of cellular respiration would not be available.

Only aerobic respiration would take place.

Only anaerobic respiration would take place.

Fewer ATP would be produced during cellular respiration.

Which of the following describes the interrelated nature between photosynthesis and cellular respiration?

They together help recycle important elements in nature.

They together help to lower the percentage of carbon dioxide in nature.

They both help increase the fossil fuel availability for humans.

They both help lower our carbon footprint.

What best explains the relationship between photosynthesis and cellular respiration?

Photosynthesis depends on the carbon dioxide released during cellular respiration.

The higher the rate of formation of products in respiration, the lower the rate of photosynthesis.

Cellular respiration depends on the water released during photosynthesis.

They have the same set of product molecules.

Module 2 Test Review

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7th Grade

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following methods can be used by officials to solve the problem of water pollution?

Use scientific solutions.

Stop droughts and floods.

Increase number of factories.

Dispose of chemical wastes in dustbins.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is true about how science is used to solve a problem?

It is affected by social concerns.

It is unaffected by political concerns.

It is not influenced by economic conditions.

It is not determined by external local factors.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is true about science?

It is not influenced by social conditions.

It is not determined by external local factors.

Political conditions are unable to influence it.

Economic concerns may prevent it from solving problems.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is an example of how science can solve social problems?

It can stop excessive rain from occurring.

It can identify the sources of polluted water.

It can control the time and day when cyclones happen.

It can reduce the frequency of severe weather conditions.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following gases is formed during photosynthesis?

Carbon dioxide

Nitrogen

Oxygen

Sulfur dioxide

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following gases is used up during photosynthesis?

Carbon dioxide

Nitrogen

Oxygen

Sulfur dioxide

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following substances is used up during photosynthesis?

Oxygen

Sugar

Sulfur dioxide

Water

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Module 2 Test Review

Which of the following methods can be used by officials to solve the problem of water pollution?

Which of the following is true about how science is used to solve a problem?

Which of the following is true about science?

Which of the following is an example of how science can solve social problems?

Which of the following gases is formed during photosynthesis?

Which of the following gases is used up during photosynthesis?

Which of the following substances is used up during photosynthesis?

Which of the following substances is formed during photosynthesis?

The table below shows the role of different substances during photosynthesis. Which of the following statements would correct one of the roles listed in the table?

The table below shows the role of different substances during photosynthesis. Which of the following statements would correct one of the roles listed in the table?

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