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