Polystyrene is generally available in the form of
A.plates
B.cylindrical bars
C.square sections
D.trapezoidal moulds
Author: BILAL KHATTAK
In a river, if its BOD is high, then:?
A.River is polluted
B.River is not polluted
C.River is day
D.None of these
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B.River is not polluted
C.River is day
D.None of these
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On drying the shrinkage of wood is least
A.along the grains
B.across the grains
C.along the direction of tangent to the annular rings
___________ respiration is the process by which cell utilized oxygen and produces CO2 ??
A. Cellular
B. Organismic
C. Both of these
D. None of these
Actual petrified remains of ancient plants and animals or impressions left by them in rocks are called:
A.Fossils
B.Models
C.Traces
D.None of the above
The notch angle of Izod impact test specimen is
A.10?
B.20?
C.22
D.30?
E.45?
Synonym of TRITE_____________??
A. Minor
B. Sad
C. Commonplace
D. Swindler
A hard water may contain
A.Calcium carbonate
B.Magnesium sulphate
C.Magnesium bicarbonate
D.Any of the above
E.None of the above
The Sociology of Religion was written by
A.Cuber
B.Reisman
C.Max Weber
D.None of these
Crowning is done on
A.Gears
B.Shafts
C.Pulleys
D.Keys
E.Bearings
