Life Processes: Class 10 Science Q&A · Page 6
107 free answers on Life Processes (Science) for Class 10 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- ScienceClass 10All
Why is respiration considered an exothermic reaction explain?
Cellular respiration is considered an exothermic reaction because it releases energy in the form of heat. Cellular respiration is the process by which cells break down glucose (or other organic molecules) to produce energy in the form of adenosine triphosphate (ATP). The overall chemical reaction for cellular respiration can be simplified as: C6H12O6+6O2→6CO2+6H2O+energy (ATP) This reaction involves the o
- ScienceClass 10All
What is inspiration in biology?
Simply entering of air into the lungs by breathing in refers to inspiration. Air enters the lungs during the inspiration stage of breathing. The inspiratory muscles contract first and initiate the inspiration . The diaphragm flattens, lengthening the thoracic cavity's superior/inferior dimension. The sternum and ribs get raised by the external intercostal muscles, expanding the thoracic cavity's anterior/posterior dimension. The thoracic cavity's volume increases as
- ScienceClass 10All
What is Excretion in biology?
All living organisms need to maintain the normal functioning of the body. For this maintenance purposes living organisms perform four basic life processes namely- Nutrition, Respiration, Transportation and excretion.Thereby excretion is one of the life processes. Each of the life processes is connected very intricately to each other. When the body digests food and transports the nutrients throughout the body, there is some amount of waste that gets generated in our body. Thai waste is removed
- ScienceClass 10All
Why is Respiration Considered to be an Exothermic Reaction
Respiration is considered an exothermic reaction because it releases energy in the form of heat during the breakdown of glucose (or other organic molecules) to produce ATP (adenosine triphosphate), the energy currency used by cells. The overall equation for cellular respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + Energy (ATP + Heat), shows glucose and oxygen combining to produce carbon dioxide, water, and energy. During this process, chemical bonds in glucose (high-energy molecule) are broken
- ScienceClass 10All
Can you explain what is happening in the equation 6CO2 6H2O → C6H12O6 6O2
The equation 6CO2 + 6H2O → C6H12O6 + 6O2 represents photosynthesis, the process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using light energy. In this endothermic reaction, light energy (typically from the sun) is absorbed by chlorophyll and used to break apart the stable bonds in CO2 and H2O molecules, then reassemble those atoms into the higher-energy glucose molecule while releasing oxygen as a byproduct. Essentially, plants are
- ScienceClass 10All
For which reaction is 6CO2 6H2O → C6H12O6 6O2 the correct equation
The equation 6CO2 + 6H2O → C6H12O6 + 6O2 is the correct overall chemical equation for photosynthesis, the light-dependent process by which autotrophic organisms (primarily green plants, algae, and cyanobacteria) convert inorganic carbon dioxide and water into organic glucose and oxygen. This equation specifically represents oxygenic photosynthesis—the type that produces oxygen as a byproduct and occurs in chloroplasts where chlorophyll captures light energy to drive the reaction. W
- ScienceClass 10All
What type of reaction is 6CO2 6H2O → C6H12O6 6O2
The reaction 6CO2 + 6H2O → C6H12O6 + 6O2 is classified as an endergonic synthesis reaction (or anabolic reaction) and specifically as a photosynthetic reduction-oxidation (redox) reaction. This is a combination reaction in the broadest sense, as multiple reactants unite to form more complex products, but it's distinguished by requiring substantial energy input—in this case, light energy absorbed by chlorophyll. The reaction is endothermic and non-spontaneous, meaning it will not oc