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