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Total number of bones in the hind limb of a man is
21
23
27
30
D.
30
Hind limb of man consists of 30 bones which are as follows:
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In living beings ammonia is converted into urea through
ornithine cycle
citrulline cycle
fumarine cycle
arginine cycle
A.
ornithine cycle
Ornithine combines with one molecule of NH3 and CO2 to produce citrulline. Citrulline combines with another molecule of NH3 to form arginine. Arginine is broken down into urea and ornithine which repeats the cycle.
A definite number of segments are found in
slug
earthworm
leech
tapeworm
C.
leech
Leech belongs to Phylum- Annelid. A definite number of segments, ie, 33 segments are found in leech.
Biologically most resistant plant material is
sporopollenin
cutin
lignin
suberin
A.
sporopollenin
Sporopollenin is biologically most resistant plant material and is present in pollen exine. It is contributed by the tapetum layer of the another wall.
Which of the following is an edible fungus?
Agaricus
Albugo
Rhizopus
Puccinia
A.
Agaricus
Agaricus is an edible mushroom. It is a saprophytic fungus, which grows during rainy season, in moisture grassy places and in richly manured unploughed fields.
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