271.
Chromophil cells in earthworm are found in
A
Lymph glands
B
Pharyngeal glands
C
Blood glands
D
All of the above
Answer :
Pharyngeal glands
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272.
Nails, claws, horns and hoofs are formed by
A
Cartilage
B
Bone
C
Stratum corneum of skin
D
Skin muscles
Answer :
Stratum corneum of skin
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273.
Mast cells secrete
A
myoglobin
B
histamine
C
hemoglobin
D
hippurin
Answer :
histamine
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274.
Vitreous humour is
A
Reticular
B
Areolar
C
Adipose
D
Mucoid connective tissue
Answer :
Mucoid connective tissue
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275.
Body segments are difinite and well marked in
A
Hydra
B
Taenia
C
Earthworm
D
Cockroach
Answer :
Cockroach
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276.
Number of WBCs per mm3 of human blood is
A
8000
B
7000
C
6500
D
6000
Answer :
8000
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277.
Formation of cartilage bones involves
A
deposition of bony matter by osteoblasts and resorption chondroblasts
B
deposition of bony matter by osteoclasts and resorption by chondroblasts
C
deposition of bony matter by osteoclasts only
D
deposition of bony matter by osteoblasts only
Answer :
deposition of bony matter by osteoblasts and resorption chondroblasts
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278.
What external changes are visible after the last moult of a cockroach nymph?
A
Anal cerci develop
B
Both fore wings and hind wings develop
C
Labium develops
D
Mandibles become harder
Answer :
Both fore wings and hind wings develop
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279.
Inner lining of female urethra is made up of
A
St. Squamous epi
B
St. Cuboidal epi
C
St. columnar epi
D
Transitional epi
Answer :
St. Cuboidal epi
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280.
Setae are found in all body segments of earthworm except
A
Last segment
B
First segment
C
Clitellar segment
D
First, last and clitellar segments
Answer :
First, last and clitellar segments
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