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Does the expiration rate increase or dec...

Does the expiration rate increase or decrease after exercises?

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VGS PUBLICATION-BRILLIANT-RESPIRATION IN ORGANISMS-EXERCISE
  1. At what time plants respire and photosynthesize ?

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  2. What is use of oxygen in hospitals ?

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  3. Does the expiration rate increase or decrease after exercises?

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  4. What happens to your chest when you take a breath ?

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  5. What is the difference between inhaled and exhaled air ?

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  6. How long a person can hold his / her breath? How do you find?

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  7. How many times do you breathe in a minute?

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  8. How much air do you breathe?

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  9. How do you find the gases that are present in our breath? Describe the...

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  10. How can you find out the respiration in plants by an experiment?

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  11. How do you find respiration in sprouted seeds ?

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  12. Write a note on the discovery of carbon dioxide.

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  13. How is oxygen discovered? Write the history of its discovery.

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  14. Do plants respire ?

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  15. Select correct answer and give reasons. The process which involves th...

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  16. Select correct answer and give reasons. During inspiration air passes...

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  17. Select correct answer and give reasons. Roots respire through

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  18. Select correct answer and give reasons. Which of the following animal...

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  19. Select correct answer and give reasons. What happens to lime water, w...

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  20. Select correct answer and give reasons. Plants respire through

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