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biology 20 human excretory system
Pg.No.
1
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Page 1
Q.1. Removal of nitrogenous substances formed during metabolism from the body of human is known as?
Q.2. Which are the main excretory organs in human?
Q.3. Which is the main excretory organ in human and other mammals?
Q.4. What is the approximate weight of Kidneys?
Q.5. Which are the two parts of Kidneys?
Q.6. Outer part of kidney is known as?
Q.7. Inner part of kidney is known as?
Q.8. Each kidney is made up of approximately 1,30,00000 kidney ducts which are known as?
Q.9. Which is the structural and functional unit of kidney?
Q.10. Cup like structure in every nephron is known as?
Q.11. Glomerulus of thin blood cells is found in bowman's capsule which is made up of two types of anterioles known as?
Q.12. Which anteriole carries blood to the glomerulus in kidney?
Q.13. Which anteriole takes out blood from glomerulus in Kidneys?
Q.14. The process of reaching of liquid into the cavity of bowman's capsule, after filtration from the cells of glomerulus is known as?
Q.15. What is the main function of Kidneys?
Q.16. How much blood is filtered in Kidneys per minute?
Q.17. How much urine is formed by Kidneys per day?
Q.18. What is the percentage of water in urine?
Q.19. What is the percentage of salt in urine?
Q.20. What is the percentage of Urea in urine?
Q.21. What is the percentage of uric acid in urine?
Q.22. The colour of urine is light yellow due to presence of?
Q.23. Urochrome is formed due to diffusion of?
Q.24. What is the nature of urine?
Q.25. What is the pH value of urine?
Q.26. Stone formed in the Kidneys is made up of?
Q.27. Which glands in the skin secrets sebum?
Q.28. Which glands in the skin secrets sweat?
Q.29. Which cells play the main role in excretion by converting more and more amino acids and ammonia of blood into urea?
Q.30. Which gaseous substances are excreted by lungs?
Q.31. Excretion in unicellular animals takes place through?
Q.32. Excretion in animals of Porifera phylum takes place through?
Q.33. Excretion in coelenterates takes place through?
Q.34. Excretion in flatworm takes place through?
Q.35. Excretion in animals of Annelida phylum takes place through?
Q.36. Excretion in crustaceans takes place through?
Q.37. Excretion in mollusca takes place through?
Q.38. Excretion in vertebrate takes place through?
Q.39. Process of removal of excess urea from the blood of patient using artificial kidney is known as?
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