ASSERTION AND REASON:1. Assertion (A): The human body produces highly toxic substances, which if not eliminatedmay cause death.Reason(R ): Excretory substance removes nitrogenous waste from the body2. Assertion (A): Aerobic respiration requires less energy as compared to anaerobic respiration.Reason (R): Mitochondria is the powerhouse of the cell
Question
ASSERTION AND REASON:1. Assertion (A): The human body produces highly toxic substances, which if not eliminatedmay cause death.Reason(R ): Excretory substance removes nitrogenous waste from the body2. Assertion (A): Aerobic respiration requires less energy as compared to anaerobic respiration.Reason (R): Mitochondria is the powerhouse of the cell
Solution
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Assertion (A) is true and Reason (R) is also true. The human body does produce toxic substances, such as nitrogenous waste, which if not eliminated can cause harm or even death. The excretory system plays a crucial role in removing these wastes from the body, thus preventing toxicity.
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Assertion (A) is false and Reason (R) is true. Aerobic respiration actually requires more energy compared to anaerobic respiration. This is because aerobic respiration involves the process of breaking down glucose in the presence of oxygen to produce energy, water, and carbon dioxide. This process takes place in the mitochondria, which is indeed the powerhouse of the cell as it is where most of the cell's energy is produced.
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