Terracing is done in:
A.Desert areas
B.Hilly areas
C.Dry areas
D.Plain areas
Author: BILAL KHATTAK
Which of the following concepts is attributed to Charles Darwin:
A.All the characters acquired by the organisms in their life time are inherited
B.The cell come from pre-existing cells
C.In the struggle for existence, the fittest individuals survive
D.Use and disuse of organs is important in evolution
Social research means
A.systematised effort to gain new knowledge.
B.systematic method of discovering the new fact.
C.None of these
D.both of these
Which of the following of bryophytes are the simplest one??
A. Porella
B. Funaria
C. Anthocerus
D. Polytrichum
Blue-green algae grows best in:
A.Upland rice
B.Jute
C.Lowland rice
D.Sorghum
Which of the following depicts joint demand?
A.Magazine and newspaper
B.Coffee and tea
C.Lipstick and nail polish
D.Paper and book
E.Tooth paste and brush
How many times dose the heart of frog beat per minute:
A.54 times
B.64 times
C.72 times
D.84 times
Which of the following is the best fuel for diesel engines?
A.Olefins
B.Paraffins
C.Naphthenes
D.Aromatics
Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________??
A. Integrated disease management
B. Hydroponic culture technique
C. Pasteurization
D. Bioremediation
The device which may be used for measuring small differences pressure is
A.U-tube manometer
B.inclined manometer
C.mercury barometer
D.hydrometer
