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