The flux used in blast furnace while melting iron ore is
A.Carbon
B.Oxygen
C.Sodium chloride
D.Lime stone
E.Bauxite
Author: BILAL KHATTAK
Social disorganisation is a problem concerned primarily with
A.developed societies
B.all societies
C.developing societies
Average ratio of men and women in human population is:
A.2;1
B.1.1
C.3;5
D.1;2
Essential ingredients for the success of community forestry are:
A.Capabilities of the land
B.The villagers choice of land use
C.Nature of the support the organizational structure provides
D.All of the above
First insect-fossil was found in:
A.England
B.Scotland
C.Russia
D.USA
Gypsonoma bapalosarca Meyr. (Tortricidae-Lepidopaters) is / are:
A.The larvae stituch two or more leaves together and feed in between
B.The distribution is countrywide.
C.The pest has 7 generations in a year
D.It hibernates in winter as pupae and become active again in April/May
E.All of the above
A Star Fish having 6 arms instead of 5 arms shows the example of:
A.Biogenesis
B.Metamorphosis
C.Evolution
D.Variation
A joint sector undertaking
A.Is jointly managed by several shareholders
B.Is jointly owned by only two directors
C.In jointly owned by State and Central Governments
D.Is jointly owned by private parties and Government
E.None of the above
The noise level due to auto horn may be of the order of
A.110 dB
B.80 dB
C.50 dB
D.35 dB
In Brinell hardness testing, while determining hardness of aluminium
A.Indenting ball of smaller diameter is used
B.Time of loading is reduced
C.Load on the indenter is reduced
