Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 137 of 150)

Attempt Biology Quiz
The wax present on the body of cockroach is secreted:
A. Mucocytes
B. Leucocytes
C. Oenocytes
D. Granulocytes
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Which organisms are sometimes called the ” pastures of the sea”?
A. Diatoms
B. Radiolarians
C. Dinoflagellates
D. Foraminiferans
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Diatoms belong to___________?
A. Chrysophyta
B. Bacillariophyceae
C. Xanthophyceae
D. Both a. and b.
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Chitin in cockroach is absent in____________?
A. Epicuticle
B. Exocuticle
C. Endocuticle
D. All of these
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Melanin pigment in cockroach is found in__________?
A. Epicuticle
B. Exocuticle
C. Endocuticle
D. All of these
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The bristles on the body of the cockroach arise from__________?
A. Epidermis
B. Trichogen cell
C. Basement membrane
D. Malpighian cell
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In man which organisms cause abscesses on the skin of arms or legs?
A. Ascaris
B. Bacteria
C. Ring worm
D. Suinea worm
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Snails belong to__________?
A. Cephalopodsxc
B. Gastropods
C. Bivalves
D. Athropods
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In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.
A. Ligule
B. Radula
C. Mantle
D. Muscle
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All insects have how many parts of legs?
A. 4
B. 2
C. 3
D. 6
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Word of the Day
12 Jul
Obdurate
stubbornly refusing to change one’s opinion or course of action.
ضدی، بدکار، سنگدلی

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