Life process class 10 Ncert question solution with analysis

1. Why is diffusion insufficient to meet the oxygen requirements of multi- cellular organisms like humans?

2. What criteria do we use to decide whether something is alive?

3. What are outside raw materials used for by an organism? 

4. What processes would you consider essential for maintaining life? 

5. What are the differences between autotrophic nutrition and heterotrophic nutrition? 

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6. Where do plants get each of the raw materials required for photosynthesis? 

7. What is the role of the acid in our stomach? 

8. What is the function of digestive enzymes? 

9. How is the small intestine designed to absorb digested food? 

10. What are the advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration? 

11. What are the different ways in which glucose is oxidized to provide energy in various organisms?