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Class 11 Biology Chapter 19 Excretory Products And Their Elimination Quiz 7 (25 MCQs)

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1. Statement I-Small amounts of urea enter the thick segment of the ascending limb of Henle's loop. Statement II-. Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.
2. Assertion:Ammonia produced by metabolism is filtered and excreted out by the kidneys. Reason:Ammonia is converted into urea in the liver of animals.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 incorrect but reason is true4. Both assertion and reason are false
3. If the pH of the blood decreases, the pH of the urine will
4. NaCl is returned to interstitium by which limb?
5. Which one of the following is produced in the kidneys?
6. Kidney stones are crystals of
7. Where majority of the reabsorption takes place?
8. Statement I-Large amounts of water could be reabsorbed from Collecting tubule.Statement II-The two limbs of Henley's loop have similar permeabilities.
9. Excretion of dilute urine requires
10. Following are the parts of a typical nephron (a) Malpighian corpuscle (b) Loop of Henle (c) PCT (d) DCT (e) Collecting duct How many of these are located in the cortex of kidney
11. Which part of the nephron is responsible for the majority of reabsorption?
12. Which of the following is correct about juxta medullary nephrons?
13. If Loop of Henle were absent from mammalian nephrons, which of the following is to be expected?
14. What is the main function of the collecting duct in the nephron?
15. What is the role of the renal pelvis?
16. What do the nephrons do in the kidneys?
17. Ascending loop of Henle is permeable to
18. What is the role of the juxta glomerular apparatus (JGA)?
19. What is the most toxic form of nitrogenous waste?
20. A medical procedure in which blood is filtered through a machine
21. Uricotelic mode of passing out nitrigenous wastes is found in
22. Which of following statements is false?
23. What is the function of Bowman's capsule and glomerulus?
24. Which one of the following, if present in a urine sample, would likely be caused by trauma?
25. ..... ml of blood is filtered by the kidneys per minute
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