MDCAT Biology Human Physiology Mcqs Chapter 9 Test Online
MDCAT Biology Human Physiology Chapter 09
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MDCAT Biology Human Physiology Chapter 09
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Question 1 of 40
1. Question
The protection of internal environment from the harms of fluctuations in external environment
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Question 2 of 40
2. Question
The __________ keeps the internal fluctuations in a narrow range with various control systems compared to wider external fluctuations
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Question 3 of 40
3. Question
Regulation of water and ions in the body is termed
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Question 4 of 40
4. Question
The mechanism of regulation, generally between organism and its environment, of solute and the gain and loss of water is
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Question 5 of 40
5. Question
Detection of change and signaling for effector’s response to control system is a
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Question 6 of 40
6. Question
Which one of the following solutions causes the cell to gain water by osmosis?
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Question 7 of 40
7. Question
The category of plants that has adaptations of small and thick leaves to limit water loss are called which of the following
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Question 8 of 40
8. Question
The plants that grow in shortage supply of water are termed as
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Question 9 of 40
9. Question
Some fishes have relatively low salts in body fluids but have rendered adequate concentration
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Question 10 of 40
10. Question
__________ fishes, constantly lose water from their hypotonic body fluid to hypertonic environments.
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Question 11 of 40
11. Question
The ________ activity and the evaporative cooling is the one of the major temperature reducing strategies
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Question 12 of 40
12. Question
In bacterial and viral infections which of the following increase in number
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Question 13 of 40
13. Question
High level of circulating calcium in blood is called which of the following
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Question 14 of 40
14. Question
Nephrons tublar system form deep loop in inner medulla are which of the following
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Question 15 of 40
15. Question
The presence of sweat glands and lungs are modified for panting in
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Question 16 of 40
16. Question
Urine leaves the body through urthera in human males by which of the following
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Question 17 of 40
17. Question
_______ produce metabolic heat at low level and that is also exchanged quickly with the environment, however, absorb heat from their surroundings
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Question 18 of 40
18. Question
Which of the following can be retained in the body comparatively
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Question 19 of 40
19. Question
Metabolic waste that are ingested into the body are which of the following
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Question 20 of 40
20. Question
Plants respond to cold stress by increasing proportion of unsaturated __________
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Question 21 of 40
21. Question
Terrestrial vertebrates have multilayered skin composed of which of the following
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Question 22 of 40
22. Question
Bunch of cilia present in which of the following
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Question 23 of 40
23. Question
Birds excreted which of the following
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Question 24 of 40
24. Question
The incidence of calcium phosphate type stones are ________% of all the kidney stones
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Question 25 of 40
25. Question
The protection of internal environment from the hazardous of fluctuations in external environment is termed as
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Question 26 of 40
26. Question
The mechanism of regulation generally between organism and its environment of solute and the gain and loss of water is called
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Question 27 of 40
27. Question
The maintenance of internal temperature of the body with in a tolerable range is designated as
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Question 28 of 40
28. Question
The more concentrated external environment with respect to internal environment of a cell is termed as
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Question 29 of 40
29. Question
The Hypertonic environment of the cell, renders cell solution concentrated and shrink the cell due to
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Question 30 of 40
30. Question
The more concentrated external environment with respect to internal environment of a cell is termed as
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Question 31 of 40
31. Question
Plants that are present in severe dry habitat are
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Question 32 of 40
32. Question
In a nephron, a ball of capillaries is present which is called as
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Question 33 of 40
33. Question
Which structure helps fresh water protozoa and paramecium to pump out excess water
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Question 34 of 40
34. Question
The evaporation loss of water is called
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Question 35 of 40
35. Question
Among the assimilated nutrients in animals, carbohydrates and lipids are metabolized to
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Question 36 of 40
36. Question
The elimination of wasteful metabolites mainly of the nitrogenous nature is called
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Question 37 of 40
37. Question
The falling of yellow leaves in autumn is the seasonal time for plants to get rid of the accumulated wastes, because of this reason, leaves are said to be
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Question 38 of 40
38. Question
How much water is required to eliminate 1g of nitrogen in the form of uric acid
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Question 39 of 40
39. Question
Simple tubular excretory system in Flatworms is called
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Question 40 of 40
40. Question
The excretory product of reptiles and birds is
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