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