CLASS 7 BIOLOGY RESPIRATION

What is the primary purpose of respiration?

What form of energy is produced during respiration?

What two main products are released during oxidation of food?

Which of the following is a characteristic of respiration?

What is required for aerobic respiration?

In aerobic respiration, one molecule of glucose produces how many ATP molecules?

What is produced instead of water during anaerobic respiration?

How many ATP molecules are produced during anaerobic respiration from one glucose molecule?

Which process occurs at a high temperature?

Which process requires enzymes?

Through what structure do plants take in oxygen from the atmosphere?

What is produced during respiration in plants?

What gas is produced by germinating seeds during respiration?

What diffuses through the body surface of aquatic plants?

What cells surround the stomatal opening?

What is another name for anaerobic respiration?

Which food item is produced using anaerobic respiration?

During what process is energy obtained from sunlight?

What has the reverse effect of respiration?

What is the main reason for growing more plants?

How do plants primarily obtain oxygen for respiration?

What is the significance of ATP molecules in the process of respiration?

Which of the following statements accurately compares aerobic and anaerobic respiration?

What role do enzymes play in the process of respiration?

How does the process of respiration differ from combustion?

What is the role of guard cells in the respiration of plants?

Why is it important to grow more plants, considering the processes of respiration and photosynthesis?

In the experiment involving germinating seeds in a flask with limewater, what is the purpose of the limewater?

What is the significance of the observation that the level of mercury falls in the test tube during the anaerobic respiration experiment with germinating seeds?

Which of the following is a key difference between photosynthesis and respiration in plants?

If a plant is kept in complete darkness, which process would be most immediately affected?

Which product of anaerobic respiration is commercially important in the baking industry?

What cellular structure is responsible for facilitating gas exchange in older plant stems?

How do aquatic plants typically obtain the oxygen they need for respiration?

Why does the temperature increase in a thermos flask containing germinating seeds, while there is no significant change in a flask containing boiled seeds?

Which of the following best describes the relationship between respiration and photosynthesis?

What is the primary purpose of subsidiary cells in the stomatal apparatus?

Why is anaerobic respiration less efficient in terms of energy production compared to aerobic respiration?

In the anaerobic respiration experiment using germinating seeds, what is the purpose of introducing potassium hydroxide (KOH) into the test tube?

Which observation would provide the strongest evidence that germinating seeds are undergoing respiration?

If a plant cell's supply of oxygen is suddenly reduced, what immediate change would likely occur in its respiration process?

Under what circumstances might a plant rely primarily on anaerobic respiration, and what would be a significant consequence?

How does the process of respiration contribute to the cycling of carbon in an ecosystem?

In the context of cellular respiration, what is the crucial role of ATP, and how is this role distinct from that of glucose?

What is the functional significance of the multiple steps involved in cellular respiration, as opposed to a single-step combustion process?

Considering the complementary relationship between respiration and photosynthesis, what long-term effect would a significant decrease in global photosynthetic activity have on respiration?

In an experiment where germinating seeds are sealed in a flask, and the carbon dioxide is absorbed, what would happen to the internal pressure of the flask and why?

How do lenticels in plant stems facilitate respiration, and why are they particularly important in older stems?

What is the adaptive significance of guard cells containing chloroplasts in relation to the process of respiration in plants?

If a scientist is studying the metabolic activity of yeast in an anaerobic environment, what byproduct would they likely detect, and what implications does this have for industrial applications?

Respiration is the process of breaking down food to release energy.

During respiration, oxygen helps break down food, releasing energy and nitrogen.

ATP is a special molecule that stores energy released during respiration.

Respiration only occurs in animals.

Aerobic respiration requires oxygen.

Anaerobic respiration produces more ATP than aerobic respiration.

Yeast can only perform aerobic respiration.

Combustion occurs at normal body temperature.

Respiration releases energy in the form of heat and light.

Plants exchange gases through stomata, lenticels, and the general surface of roots.

Stomata are small openings on the surface of stems.

Guard cells regulate the opening and closing of stomata.

During anaerobic respiration in plants, food is completely broken down.

Fermentation is another name for aerobic respiration.

Potassium hydroxide (KOH) absorbs oxygen.

Plants only respire during the night.

Photosynthesis and respiration are reverse processes.

Respiration results in weight gain for plants.

Plants are called the lungs of the earth because they release carbon dioxide.

Chlorophyll is required for respiration.

Respiration exclusively occurs in living organisms to produce energy for various life activities.

The energy derived from food oxidation is directly utilized for cellular processes, without intermediate storage.

During aerobic respiration, the complete oxidation of glucose yields carbon monoxide and water.

Anaerobic respiration produces significantly more ATP molecules per glucose molecule compared to aerobic respiration.

Combustion, like respiration, is a slow, stepwise process that occurs at normal body temperature.

In plants, respiration occurs exclusively in the leaves through specialized respiratory organs.

The purpose of the limewater in the experiment is to provide moisture to the germinating seeds.

Boiling the seeds before the experiment maintains their respiratory activity while preventing germination.

In plants, oxygen and carbon dioxide diffuse solely through the stomata present on the leaves.

Guard cells, which surround stomata, lack chloroplasts and therefore cannot perform photosynthesis.

Anaerobic respiration in plants completely breaks down sugar molecules into water and carbon dioxide.

During anaerobic respiration in the germinating seeds experiment, oxygen gas is produced in the test tube, causing the mercury level to fall.

Potassium hydroxide (KOH) is introduced into the test tube to release oxygen and facilitate further respiration.

Photosynthesis provides plants with energy, while respiration utilizes sunlight to synthesize ATP.

Respiration and photosynthesis both occur independently, with no influence on each other's processes.

During photosynthesis, oxygen is utilized by plants, and carbon dioxide is released as a byproduct.

To maintain environmental balance, decreasing the number of plants is a beneficial strategy.

Respiration in plants only occurs during the daytime, coinciding with photosynthesis.

Photosynthesis uses food material (glucose) and oxygen, mirroring the process of respiration.

Respiration contributes to the weight gain and growth of plants due to the production of glucose.

The process where food is broken down into simpler forms to release energy is called ______.

During oxidation, oxygen breaks down food, releasing energy and ______ dioxide.

The released energy from food oxidation is stored in special molecules called ______ triphosphate (ATP).

In aerobic respiration, food (glucose) is completely oxidized in the presence of ______.

Aerobic respiration produces carbon dioxide, water, and ______ as end products.

Anaerobic respiration occurs in the absence of ______.

In anaerobic respiration, glucose is oxidized to produce ethyl alcohol, carbon dioxide, and ______.

Unlike combustion, respiration is a slow, stepwise process that occurs in ______ things.

In plants, oxygen is taken in from the atmosphere through ______.

During respiration in plants, stored food (glucose) is oxidized by the absorbed ______.

In plants, the exchange of gases occurs by the process of ______.

The stomatal opening is surrounded by two kidney-shaped cells called ______ cells.

Anaerobic respiration in plants is also known as ______.

During photosynthesis, energy is obtained from ______.

Plants are called the lungs of the earth because they convert carbon dioxide into ______.

Adenosine triphosphate, commonly known as ______, is a special molecule that stores the energy released during respiration.

The oxidation of food materials releases energy and a waste product called ______.

In ______ respiration, the oxidation of food (glucose) occurs in the presence of oxygen, resulting in the complete breakdown of glucose.

During aerobic respiration, each glucose molecule yields ______ ATP molecules, providing a substantial energy source for organisms.

[Blank] respiration is a process in which glucose is not completely oxidized, and water is not produced.

In anaerobic respiration, glucose is oxidized to produce ethyl alcohol and ______, with a much smaller energy yield compared to aerobic respiration.

While combustion occurs at high temperatures, respiration occurs at ______ body temperature.

In respiration, energy is released in steps and stored in a special chemical molecule, whereas in combustion, energy is produced in the form of ______ and light.

In plants, oxygen is taken in from the atmosphere through ______, which are small pores on the surface of leaves.

The oxidation of stored food (glucose) is carried out by the absorbed oxygen during respiration in plants, leading to the production of energy in the form of ______ molecules.

During anaerobic respiration in plants, food molecules (sugars) are incompletely broken down into ethyl alcohol and ______.

The ability of yeast and bacteria to carry out anaerobic respiration is used in fermentation to produce many food items such as bread, yogurt, and ______.

During photosynthesis, carbon dioxide is taken up by green plants, and ______ is released, while respiration utilizes oxygen and releases carbon dioxide.

In respiration, oxygen is utilised by the plants and ______ is released So, both these processes are reverse but complementary to each eh

The oxidation of food materials releases energy and ______ as a waste product.

In aerobic respiration, the complete oxidation of glucose results in the production of carbon dioxide, water, and a significant amount of energy, specifically ______ ATP molecules.

Unlike aerobic respiration, anaerobic respiration doesn't completely oxidize glucose; instead, it produces ethyl alcohol, carbon dioxide, and only ______ ATP molecules.

While both combustion and respiration involve the use of oxygen and release of carbon dioxide, respiration is a ______, stepwise process occurring in living things at normal body temperature.

In plants, gas exchange during respiration occurs through stomata, lenticels, and the general surface of the ______, differing from animals that often have specific respiratory organs.

The experiment using germinating seeds in a flask with limewater demonstrates that seeds produce ______ during respiration, turning the limewater milky.

The experiment comparing live and boiled seeds in thermos flasks shows that live seeds release ______ during respiration, indicated by a higher temperature reading.

Guard cells, which surround the stomatal opening, contain ______ and carry out photosynthesis, influencing the opening and closing of the stomata.

Anaerobic respiration in yeast and some bacteria is also known as ______, which is utilized in making food items like bread, yogurt, and vinegar.

Photosynthesis uses carbon dioxide and water to produce glucose and oxygen, while respiration uses food material (glucose) and oxygen to release ______ and water, showcasing their complementary nature.

What is the main purpose of respiration in living organisms?

What two waste products are produced during respiration?

What is the name of the energy-carrying molecule produced during respiration?

Name the two main types of respiration.

Which type of respiration requires oxygen?

Name one organism that can perform anaerobic respiration.

In the absence of oxygen, what two substances are produced by germinating seeds?

Which type of respiration produces more energy: aerobic or anaerobic?

What gas do plants take in from the atmosphere for respiration?

What structures on the surface of leaves allow for gas exchange?

Besides stomata, name one other structure plants use for gas exchange.

What type of respiration is also known as fermentation?

Name one food item made using anaerobic respiration by yeast.

What pigment is needed for photosynthesis but not respiration?

Which process results in weight loss of plant parts: respiration or photosynthesis?

How does the role of ATP in respiration exemplify energy transfer within a cell?

In what ways do the energy yields of aerobic and anaerobic respiration differ, and why does this difference occur?

How is the process of respiration in plants similar to that in animals, and what are the key differences?

Explain how the structure of stomata facilitates gas exchange in plants, linking their function to the overall process of respiration.

Describe the significance of anaerobic respiration for organisms like yeast, and how humans harness this process for practical applications.

How does the experimental setup involving germinating seeds, limewater, and a sealed flask demonstrate the production of carbon dioxide during respiration?

Explain the role of enzymes in respiration, and contrast this with the process of combustion where enzymes are not involved.

Describe an experimental setup to demonstrate that heat is released during respiration. Include a control.

Why is it important to grow more plants to maintain a balance in the environment?

Contrast photosynthesis and respiration.

If a plant is placed in a completely dark environment, will it still respire? Explain your answer.

Explain how the process of diffusion contributes to gas exchange in plants, particularly in structures like stomata and lenticels.

How does anaerobic respiration differ in plants compared to organisms like yeast, in terms of the end products and overall purpose?

Describe the role of guard cells in regulating respiration in plants.

Explain why the energy released during respiration is stored in the form of ATP rather than being released as heat directly.

Explain how the process of respiration fundamentally links energy stored in food to the performance of life activities, detailing the intermediate steps and molecules involved.

Compare and contrast aerobic and anaerobic respiration in terms of efficiency, end products, and the types of organisms that utilize each process.

Describe the role of ATP in the process of respiration and explain why it is considered the 'energy currency' of the cell.

Explain how the structural adaptations of plant leaves, such as stomata and guard cells, facilitate gas exchange necessary for respiration, and discuss the challenges aquatic plants face in obtaining oxygen.

What is the purpose of using Potassium hydroxide (KOH) in the experiment demonstrating anaerobic respiration in germinating seeds?

Compare and contrast the processes of combustion and respiration, outlining the key differences in terms of speed, temperature, energy release, and the involvement of enzymes.

Describe the complementary relationship between photosynthesis and respiration in plants, focusing on the exchange of gases and the flow of energy.

Explain why germinating seeds are used in experiments demonstrating both the production of carbon dioxide and the release of heat during respiration.

Discuss the implications of anaerobic respiration in plants, particularly in situations where oxygen is limited, such as waterlogged soils.

Outline the steps involved in demonstrating that germinating seeds produce carbon dioxide during respiration, explaining the purpose of each step.