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