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