51.
Kidney is
A
Ectodermal
B
Mesodermal
C
Endodermal
D
None of the above
Answer :
Mesodermal
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52.
Micturition is
A
Removeal of urea from blood
B
Removal of uric acid
C
Passing out urine
D
Removal of faces
Answer :
Passing out urine
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53.
Ammonia is the chief excretory substance in
A
Camel and whale
B
Cartilaginous fishes
C
Whale and Tortoise
D
Fresh water fishes
Answer :
Fresh water fishes
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54.
Ureotelic kidney is found in
A
Man
B
Frog
C
Rabbit
D
All of the above
Answer :
All of the above
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55.
Effective filtration pressure in the glomerulus in kidney of man is about
A
+ 75 mm Hg
B
+10 mm Hg
C
+ 35 mm Hg
D
+ 50 mm Hg
Answer :
+10 mm Hg
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56.
The yellow colour of urine of vertebrates is due to
A
Cholestrol
B
Urochrome
C
Urinoe
D
None of the above
Answer :
Urochrome
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57.
In human minor calyx number is
A
Uncountable
B
8 to 14
C
Equal to pyramid number
D
Depends on major calyx number.
Answer :
Equal to pyramid number
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58.
In Ornithine cycle, which of the following wastes are removed from the blood?
A
$$C{O_2}$$ and urea
B
Ammonia and urea
C
$$C{O_2}$$ and ammonia
D
Urea and urine
Answer :
$$C{O_2}$$ and ammonia
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59.
Ornithine cycle is related to
A
Respiration
B
Excretion
C
Digestion
D
Nutrition
Answer :
Excretion
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60.
Which of the following statements is correct?
A
The descending limb of loop of Henle is impermeable to water
B
The ascending limb of loop of Henle is permeable to water
C
The descending limb of loop of Henle is permeable to electrolytes
D
The ascending limb of loop of Henle is impermeable to water
Answer :
The ascending limb of loop of Henle is impermeable to water
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