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