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