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