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Question-1
Blood calcium level can be increased by the administration of
(A)
glucagon
(B)
parathormone
(C)
thyroxine
(D)
calcitonin
Question-2
Ornithine cycle refers to the sequence of reactions taking place in
(A)
liver
(B)
stomach
(C)
pancreas
(D)
oral cavity
Question-3
Uric acid is the chief nitrogenous component of the excretory products of
(A)
man
(B)
earthworm
(C)
cockroach
(D)
frog
Question-4
The animal, which retains urea for hypertonicity, is
(A)
man
(B)
bird
(C)
amphibian
(D)
elasmobranch
Question-5
Which of the following amino acid is present in ornithine cycle?
(A)
valine and systine
(B)
arginine and citrulline
(C)
glycine and valine
(D)
glycine and methionine
Question-6
If kidney fail to reabsorb water, the effect on tissue would
(A)
remain unaffected
(B)
shrink and shrivel
(C)
absorb water from blood plasma
(D)
take more O
2
from blood
Question-7
In ureotelic animals, urea is formed by
(A)
Ornithine cycle
(B)
Cori cycle
(C)
Krebs cycle
(D)
EMP pathway
Question-8
The vital morphological and physiological units of a mammalian kidney are
(A)
ureters
(B)
nephridia
(C)
uriniferous tubules
(D)
seminiferous tubules
Question-9
Glucose is taken back from glomerular filtrate through
(A)
active transport
(B)
passive transport
(C)
osmosis
(D)
diffusion
Question-10
The main function of Henle's loop is
(A)
passage of urine
(B)
formation of urine
(C)
filtration of blood
(D)
conservation of water
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Plus 1 Biology Science
CBSE
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