An association can be:
A.Hydrophytic
B.Halophytic
C.Xerophytic
D.All of the above
Author: BILAL KHATTAK
Nuclear energy is due to conversion of
A.light into heat
B.mass into energy
C.protons into neutrons
D.helium into hydrogen
If in a compression ignition engine the noise level is to be reduced, the design features which will not be affected are
A.Combustion system
B.Exhaust muffling
C.Intake muffling
D.Fuel injection equipment
E.None of the above
Which one the following fatty acid is more soluble in an organic solvent and has higher melting point____________??
A. Acetic acid
B. Butyric acid
C. Palmitic acid
D. All have same
The Lewis number is the ratio of
A.thermal diffusivity to mass diffusivity
B.mass diffusivity to thermal diffusivity
C.mass diffusivity to momentum diffusivity
D.momentum diffusivity to thermal diffusivity
Trees and wildlife is:
A.Forest are the natural habitat of all wildlife
B.Wildlife management is impossible without conservation of environment conductive to its protection and multiplication
C.Both (a) & (b)
D.None of these
Which of the following step occurs immediately after binding of Ca2 with troponin molecule during muscle contraction.?
A. Binding sites of actin get attached to the myosin head.
B. Troponin uncovers the actin binding sites.
C. Tropomyosin gets removed from the binding sites of actin filaments.
D. Ca2 goes back inside sarcoplasmic reticulum.
The colour of the flame of halide torch in case of leakage of freon refrigerant, will change to
A.Yellow
B.Red
C.Green
D.Orange
E.Violet
Dorsal heart is found in:
A.Cockroach
B.Earthworm
C.Prawn
D.Star-fish
