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Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Unlike other algae, diatoms do not readily decay due to___________?
A: Nonliving cells
B: Siliceous wall
C: Mucilaginous wall
D: Water proof cell
Siliceous wall
Cell wall is extremely well preserved in fossil specimens in__________?
A: Diatoms
B: Dinoflagellates
C: Slime moulds
D: None of these
Diatoms
Empty diatom cells are called___________?
A: Raphe
B: Valves
C: Frustule
D: Girdles
Frustule
In man which organisms cause abscesses on the skin of arms or legs?
A: Ascaris
B: Bacteria
C: Ring worm
D: Suinea worm
Suinea worm
Chitin in cockroach is absent in____________?
A: Epicuticle
B: Exocuticle
C: Endocuticle
D: All of these
Epicuticle
Melanin pigment in cockroach is found in__________?
A: Epicuticle
B: Exocuticle
C: Endocuticle
D: All of these
Exocuticle
The bristles on the body of the cockroach arise from__________?
A: Epidermis
B: Trichogen cell
C: Basement membrane
D: Malpighian cell
Trichogen cell
The wax present on the body of cockroach is secreted:
A: Mucocytes
B: Leucocytes
C: Oenocytes
D: Granulocytes
Oenocytes
Which organisms are sometimes called the pastures of the sea?
A: Diatoms
B: Radiolarians
C: Dinoflagellates
D: Foraminiferans
Diatoms
Diatoms belong to___________?
A: Chrysophyta
B: Bacillariophyceae
C: Xanthophyceae
D: Both A. and B.
Both and B.