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