Biology Chapter 15
CHAPTER NO. 15
1. Which
is related to homeostasis?
a. Thermoregulation b. Osmoregulation
c. Excretion d. All of them
2. Homeostasis is the
central requirement in the maintenance of an organism and contributes in:
a. Evolution b. Adaptation
c. Survival d. All of them
3. Urea
is produced as nitrogerous waste by:
a. Mammals b. Sharks
c. Most amphibians d. All of them
4. Most Toxic nitrogenous
waste which quickly dissolve in body fluids is:
a. Ammonia
b. Uric
Acid
c. Urea d. All of them
5. Which Homeostatic
function of the liver is controlled and monitored in the pancrease?
a. Deamination of amino acids b. Release of glucose
c. Release of iron d. Removal
of Toxins
6. The water content of mammalian blood is regulated by ADH. In which
one of the following parts of the Nephron does regulation occur.
a. The collecting duct
b. The glomerulus
c. The ascending limb of the loop of
Henle
d. The proximal convoluted tubule
7. A drug reduces mitochondrial activity in kidneys nephrons which
chemical will be present in increased amounts in urine?
a. Ammonia b. Glucose
c. Hydrogen carbonate d. Urea
8. Temperature
regulation with in the body is helped by:
a. Blood circulation
b. Decreasing urination
c. changing rate of digestion d. None
of these
9. On
a humid day, a person is uncomfortable because:
a. He/She is perspire more
b. There is less evaporation of perspiration
c. The surface of skin is too dry
d. Large amount of salt are excreted by the
skin
10. A
part through which protozoa excrete waste is:
a. Cell membrane b. Flame cell
c. Vacuole d. All of these
11. The primary mechanism of
excreting nitrogenous wastes in animals is:
a. Ammonotely b. Ureotely
c. Uricotely d. None of them
12. Which
of the following is not synthesized in the liver?
a. Cholesterol b. Plasma albumin
c. Urea d. Vitamin
D
13. Why must the
concentration of ion in mammalian body fluids be kept constant?
a. To provide an absolute amount of available
ions
b. To provide the correct osmotic pressure for
body cells
c. To provide sufficient ions for basal
metabolism
d. To provide diffusion gradients for ion
uptake
14. What
is the function of deamination?
a. To obtain energy from
proteins
b. To produce urea
c. To remove excess amino acids
d. to synthesize amino acids
15. Regulation
of water and ions in the body is termed as
a. Osmoregulation b. Excretion
c. Thermoregulation d. All of these
16. Identify
the ammonotelic vertebrate
a. Cartilaginous fishes b. Bony fishes
c. Reptiles d. Amphibia
17. Cell
shrinks when placed in which medium
a. Hypotonic b. Hypertonic
c. Isotonic d. Non of them
18. Sunken
stomata is the characteristic of
a. Hydrophytes b. Halophytes
c. Xerophytes d. Mesophytes
19. Specifically
concentrated urine is produced by:
a. Cortical Nephron b.
Juxtamedullary nephron
c. Both a & b d. None of
them
20. Secretion of
Antidiuretic hormone is inhibited when body fluids are:
a. Isoosmotic b. Hyposmotic
c. Hyperosmotic d. Any
of them
21. Hypercalcemia
is a :
a. Metabolic disease b. Genetic disease
c. Pathogenic disease d. None of them
22. Which of the following
mechanism of Nephron presents loss of useful substances
a. Filteration b. Reabsorption
c. Secretion d. All of them
23. Constriction
of skin blood vessels:
a. Looses excessive heat b. Conserves heat
c. Causes perspiration d. None
of them
24. Which of the following
parts in man has sphincter muscles at its base
a. Kidney b. Uneter
c. Urinary bladder
d. All
of these
25. Which of the following
processes is responsible for lower water content of hydra than surrounding
medium
a. Diffusion b. Osmosis c. Osmoregulation d. All of these
26. The thermostate in human
is present in which part of brain called:
a. Medulla b. Thalamus
c. Hypothalamus d. Cerebrum
27. Each
segment of earthworm has metanephridia
a. One b. Two c. Three d. Four
28. Glomerulus
takes blood from:
a. Afferent Arteriole b. Efferent
Arteriole
c. Afferent Tubule d. Peritubular Capillaries
29. Trigger
of hormones to heat production is:
a. Shivering thermogenesis b. Thermogenesis
c. Non-Shivering
thermogenesis d. All of them
30. Of the following which one is not an evolutionary adaptation of
nitrogenous wastes in the animals habitat.
a. Ammonotely b. Ureotely
c. Uricotely d. None
31. Which of the following
food stuff is broken down to produce nitrogenous wastes in the body
a. Carbohydrates b. Fats
c. Proteins d. None of these
32. Hydra
has no specialized excretory system because:
a. It does not produce waste material
b. Its body is not very complex
c. The whole body cells
are in contact with water
d. None of these
33. In
insects salt and water reabsorption takes place in the
a. Malpighian tubules b. Mid gut
c. Rectum d. Hemolymph
34. Chief
Nitrogenous waste produced by the grasshopper is
a. Ammonia b. Urea
c. Uric Acid d. None of these
35. Flushing of skin occurs due to:
a. Vasodilation
b. Vasoconstriction
c. Vasosposm d. None
36. Which
of the following part of nephron is absent in cortex:
a. Bowman’s capsule b. Proximal
convoluted tubule
c. Henle’s loop d. Distal convoluted tubule
37. Which of the following
part of nephron is under control of insulin:
a. Proximal Convoluted. b. Distal Convoluted
c. Henle’s Loop d. All of them
38. Which
is irrelevant for liver:
a. Bile b. Prothrombin c. Urine d. Urea
39. One of the followings is not an effect of liver on Homeostasis
a. Oxygenation of tissues b. Energy reserves
c. Regulation of blood chemistry d. Removal
of sebum
40. The
condition of heterotherm is present in animals which:
a. Generate their heat b. Produce
metabolic heat
c. Produce exothermic heat d. None of them
CHAPTER NO. 15
1. Which
is related to homeostasis?
a. Thermoregulation b. Osmoregulation
c. Excretion d. All of them
2. Homeostasis is the
central requirement in the maintenance of an organism and contributes in:
a. Evolution b. Adaptation
c. Survival d. All of them
3. Urea
is produced as nitrogerous waste by:
a. Mammals b. Sharks
c. Most amphibians d. All of them
4. Most Toxic nitrogenous
waste which quickly dissolve in body fluids is:
a. Ammonia
b. Uric
Acid
c. Urea d. All of them
5. Which Homeostatic
function of the liver is controlled and monitored in the pancrease?
a. Deamination of amino acids b. Release of glucose
c. Release of iron d. Removal
of Toxins
6. The water content of mammalian blood is regulated by ADH. In which
one of the following parts of the Nephron does regulation occur.
a. The collecting duct
b. The glomerulus
c. The ascending limb of the loop of
Henle
d. The proximal convoluted tubule
7. A drug reduces mitochondrial activity in kidneys nephrons which
chemical will be present in increased amounts in urine?
a. Ammonia b. Glucose
c. Hydrogen carbonate d. Urea
8. Temperature
regulation with in the body is helped by:
a. Blood circulation
b. Decreasing urination
c. changing rate of digestion d. None
of these
9. On
a humid day, a person is uncomfortable because:
a. He/She is perspire more
b. There is less evaporation of perspiration
c. The surface of skin is too dry
d. Large amount of salt are excreted by the
skin
10. A
part through which protozoa excrete waste is:
a. Cell membrane b. Flame cell
c. Vacuole d. All of these
11. The primary mechanism of
excreting nitrogenous wastes in animals is:
a. Ammonotely b. Ureotely
c. Uricotely d. None of them
12. Which
of the following is not synthesized in the liver?
a. Cholesterol b. Plasma albumin
c. Urea d. Vitamin
D
13. Why must the
concentration of ion in mammalian body fluids be kept constant?
a. To provide an absolute amount of available
ions
b. To provide the correct osmotic pressure for
body cells
c. To provide sufficient ions for basal
metabolism
d. To provide diffusion gradients for ion
uptake
14. What
is the function of deamination?
a. To obtain energy from
proteins
b. To produce urea
c. To remove excess amino acids
d. to synthesize amino acids
15. Regulation
of water and ions in the body is termed as
a. Osmoregulation b. Excretion
c. Thermoregulation d. All of these
16. Identify
the ammonotelic vertebrate
a. Cartilaginous fishes b. Bony fishes
c. Reptiles d. Amphibia
17. Cell
shrinks when placed in which medium
a. Hypotonic b. Hypertonic
c. Isotonic d. Non of them
18. Sunken
stomata is the characteristic of
a. Hydrophytes b. Halophytes
c. Xerophytes d. Mesophytes
19. Specifically
concentrated urine is produced by:
a. Cortical Nephron b.
Juxtamedullary nephron
c. Both a & b d. None of
them
20. Secretion of
Antidiuretic hormone is inhibited when body fluids are:
a. Isoosmotic b. Hyposmotic
c. Hyperosmotic d. Any
of them
21. Hypercalcemia
is a :
a. Metabolic disease b. Genetic disease
c. Pathogenic disease d. None of them
22. Which of the following
mechanism of Nephron presents loss of useful substances
a. Filteration b. Reabsorption
c. Secretion d. All of them
23. Constriction
of skin blood vessels:
a. Looses excessive heat b. Conserves heat
c. Causes perspiration d. None
of them
24. Which of the following
parts in man has sphincter muscles at its base
a. Kidney b. Uneter
c. Urinary bladder
d. All
of these
25. Which of the following
processes is responsible for lower water content of hydra than surrounding
medium
a. Diffusion b. Osmosis c. Osmoregulation d. All of these
26. The thermostate in human
is present in which part of brain called:
a. Medulla b. Thalamus
c. Hypothalamus d. Cerebrum
27. Each
segment of earthworm has metanephridia
a. One b. Two c. Three d. Four
28. Glomerulus
takes blood from:
a. Afferent Arteriole b. Efferent
Arteriole
c. Afferent Tubule d. Peritubular Capillaries
29. Trigger
of hormones to heat production is:
a. Shivering thermogenesis b. Thermogenesis
c. Non-Shivering
thermogenesis d. All of them
30. Of the following which one is not an evolutionary adaptation of
nitrogenous wastes in the animals habitat.
a. Ammonotely b. Ureotely
c. Uricotely d. None
31. Which of the following
food stuff is broken down to produce nitrogenous wastes in the body
a. Carbohydrates b. Fats
c. Proteins d. None of these
32. Hydra
has no specialized excretory system because:
a. It does not produce waste material
b. Its body is not very complex
c. The whole body cells
are in contact with water
d. None of these
33. In
insects salt and water reabsorption takes place in the
a. Malpighian tubules b. Mid gut
c. Rectum d. Hemolymph
34. Chief
Nitrogenous waste produced by the grasshopper is
a. Ammonia b. Urea
c. Uric Acid d. None of these
35. Flushing of skin occurs due to:
a. Vasodilation
b. Vasoconstriction
c. Vasosposm d. None
36. Which
of the following part of nephron is absent in cortex:
a. Bowman’s capsule b. Proximal
convoluted tubule
c. Henle’s loop d. Distal convoluted tubule
37. Which of the following
part of nephron is under control of insulin:
a. Proximal Convoluted. b. Distal Convoluted
c. Henle’s Loop d. All of them
38. Which
is irrelevant for liver:
a. Bile b. Prothrombin c. Urine d. Urea
39. One of the followings is not an effect of liver on Homeostasis
a. Oxygenation of tissues b. Energy reserves
c. Regulation of blood chemistry d. Removal
of sebum
40. The
condition of heterotherm is present in animals which:
a. Generate their heat b. Produce
metabolic heat
c. Produce exothermic heat d. None of them
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