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Class 11 Biology Chapter 19 Excretory Products And Their Elimination Quiz 2 (25 MCQs)

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1. Which of the following factor is responsible for the formation of concentrated urine?
2. NH$_{3}$ is converted into urea in-
3. Uricotelism is found in
4. During strenuous exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?
5. A decrease in blood pressure/volume will not cause the release of:-
6. Which of the following statements about the kidneys is incorrect?
7. Cortex part which extends in between the medullary pyramids as renal columns called .....
8. Proximal and distal convoluted tubules are parts of
9. Which of the following statements is false?I. Outer cortex and inner medulla are the two zones in kidneyII. Medulla is divided into about 8 to 18 renal pyramidsIII. Pyramid projects into calyx IV. Inwards extension of cortex between the pyramids is called renal column of Bertini.
10. Human urine is usually acidic because
11. In most of the invertebrates excretory structures are
12. A large quantity of one of the following is removed from our body to lungs?
13. What is the opening where urine is released from the body?
14. Which of the following factors is responsible for theformation of concentrated urine?
15. Which part of the nephron is impermeable to water?
16. What is the typical osmolarity of human blood?
17. Statement 1:Malpighian tubules found in insects help in the removal of nitrogenous wastes and osmoregulation. Statement 2:Antennal glands or green glands perform the excretion and osmoregulation in crustaceans like prawns.1. Statement 1 is correct but statement 2 is incorrect2. Statement 1 is incorrect but statement 2 is correct3. Both statements are correct4. Both statements are incorrect
18. Statement 1:Outside the hilum is a broad funnel shaped space called the renal pelvis with projections called calyces.Statement 2:Renal tubule begins with Bowman's capsule1. Statement 1 is correct but statement 2 is incorrect2. Statement 1 is incorrect but statement 2 is correct3. Both statements are correct4. Both statements are incorrect
19. The amount of the filtrate formed by the kidney / minute is called GFR (Glomerular Filtration Rate). The GFR of a healthy adult is-
20. The most concentrated urine is excreted by
21. The principal nitrogenous excretory compound is synthesised in
22. Each kidney has how many nephrons?
23. Kidneys are situated between the levels of
24. What is the average glomerular filtration rate (GFR) in a healthy individual?
25. An increase in blood flow the atria of the heart can cause the release of?
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