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