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Class 11 Biology Chapter 19 Excretory Products And Their Elimination Quiz 1 (25 MCQs)

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1. Statement I-Ascending limb of Henley's loop is permeable to electrolytes.Statement II-Potassium and Hydrogen ions are selectively secreted from DCT and collecting duct into the filtrate.
2. Assertion:Nephridia found in earthworms and other annelids. Reason:Nephridia help to remove nitrogenous wastes and maintain osmoregulation.1. Both assertion and reason are true and reason is its correct explanation2. Both assertion and reason are correct but reason is not its correct explanation3. Assertion is correct but reason is false4. Both assertion and reason are false
3. The layers between the blood in glomerular capillary and Bowman's space are-
4. Brush border is characteristic of
5. During concentration of urine by the human kidneys, NaCl is returned to the medullary interstitium by the:
6. What is the primary waste product excreted by the skin?
7. During urine formation, the tubular cells secrete substance ..... into the filtrate
8. What is the significance of the renal columns in the kidney?
9. What is the process of urine formation that involves the movement of substances from the blood into the filtrate?
10. In Micturirion
11. Match the Column I with Column IIColumn I ..... Column IIA. Nephridia ..... I. Crustaceans ..... (Prawn)B. Malpighian tubules ..... II. Annelids ..... (Earthworm)C. Antennal gland or ..... III. InsectsGreen glands ..... (Cockroach)
12. Which nitrogenous waste is excreted by reptiles and birds?
13. Which of the following group of animals is ureotelic?
14. Excretion involves which of the following?
15. What is the primary function of the kidneys in the excretory system?
16. Glomerulus is confined to ..... of kidney.
17. Dialysing unit (artificial kidney) contains a fluid that has almost the same as plasma except that it has
18. Green glands are the excretory organs in
19. The part of nephron involved in active reabsorption of sodium is
20. Assertion:Protonephridia or flame cells are the excretory structures in Flatworms, rotifers, some annelids and Amphioxus. Reason:Protonephridia are primarily concerned with osmoregulation. 1. Both assertion and reason are true 2. Only assertion is true 3. Assertion is correct but reason is false 4. Both assertion and reason are false
21. The kidneys help to regulate acid-base balance by controlling the level of ..... in the blood-
22. All of the following are normally found in urine except
23. Describe urine in relationship to glomerular filtration, tubular reabsorption and tubular secretion.
24. What will happen if one kidney is removed from the body of a human being?
25. ..... are the tubular excretory structures of earthworms and other annelids.
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