A) Pollination B) Respiration C) Reproduction D) Digestion Human bein
A) 2600 B) 260 C) 206 D) 26
A) Respiration B) Pollination C) Digestion D) Reproduction
A) Caecum B) Pharynx C) Small intestine D) Anus
A) Mouth B) Nose C) Skin D) Eyes
A) Saliva B) Maltose C) Spit D) Ptyalin
A) Ptyalin B) Saliva C) Pancreas D) Ileum
A) Respiratory organ B) Respiration medium C) Aerobic respiration D) Transport medium
A) Fins B) Gills C) Body surface D) Lungs
A) Skin B) Eyes C) Ear D) Nose
A) Substance B) Chemically C) Ordinarily D) Physically
A) Atomic number B) Isotopes C) Mass number D) Equation
A) Boiling B) Sieving C) Aluming D) Breaking
A) Filtration B) Distillation C) Evaporation D) Sieving
A) Boiling B) Precipitation C) Fractional distillation D) Sieving
A) Cathode B) Electrolytes C) Anode D) Electrolysis
A) Electrodes B) Coal C) Electrolysis D) Coke
A) Big,small B) Fragile,hard C) Old,new D) Strong,weak
A) Charcoal B) Hard coal C) Brown coal D) Soft coal
A) No idea B) True C) Impossible D) False
A) Volume of the gas B) Mass of the gas C) Number of particles in the gas D) Temperature of the gas
A) Energy B) Pressure C) Density D) Force
A) Volume by its mass B) Pressure by its temperature C) Mass by its volume D) Temperature by its pressure
A) The effect depends on the size of the magnets B) They become neutral C) They attract each other D) They repel each other
A) Light energy B) Mechanical vibrations C) Electrical energy D) Magnetic energy
A) Amplitude B) Speed C) Frequency D) Wavelength
A) Friction B) Force C) Workdone D) Simple machine
A) Pulley B) Wedge C) Lever D) Screw
A) Positively and negatively charged B) Positively charged C) Charged neutrally D) Negatively charged
A) Positively charged B) Charged neutrally C) Negatively charged D) Positively and negatively charged |