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Which factors affect the rate of respiration?
A) Temperature
B) Carbon dioxide
C) Both A and B
D) Soil

Answer
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Hint: The two options are correct in this question. The first one is a measure of hot and cold in the environment. It is a physical measure that transfers thermal energy to another physical system. The second option causes more influence on the rate of respiration. It adversely affects the rate of aerobic respiration.

Complete step by step answer:
Respiration- it is a biochemical process by which a living organism takes oxygen for the production of energy and gives out carbon dioxide. In this assay simple carbohydrates (glucose) break into simple substances and release carbon dioxide.
- Aerobic respiration and anaerobic respiration are the two main kinds of Respiration
- Factors which affect the rate of respiration are
Temperature, carbon- dioxide, water, and light.
Temperature: When the temperature is high the rate of respiration decreases and when the temperature is low the rate of respiration is insignificant. The temperature required for respiration is 20 to 30 degrees Celsius.
Carbon dioxide: The rate of respiration depends on the concentration of carbon dioxide. When the concentration of carbon dioxide is high then the rate of respiration will become less. When there will be an increase in the concentration of carbon dioxide and the absence of oxygen. Then they both adversely affect the rate of respiration.
Water: With the increase in the rate of water content, the respiration rate also increases.
Light: Respiration is controlled by light. It increases the temperature of an organism.

Additional information:
- Aerobic respiration takes place in the presence of oxygen to produce energy. It takes place inside the cell of animals and plants. This glucose in the presence of oxygen breaks down into carbon dioxide, water, and produces energy(ATP) .
- On the other hand, when there is an absence of oxygen - anaerobic respiration takes place. In this glucose breakdown into alcohol, carbon dioxide and produce energy (ATP).
So, the correct answer is, "both A and B".

Note:
- In prokaryotic cell respiration occurs in the cytosol and plasma membrane.
- In eukaryotic cell respiration occurs in mitochondria (the powerhouse of the cell) . ATP (Adenosine Triphosphate) is the energy currency of the cell.