The main constituent of hemoglobin is___________? Options: A. ChlorineB. IronC. CalciumD. None of these View Answer B. Iron
Leukemia is a disease of the___________? Options: A. LungsB. BloodC. SkinD. Nerves View Answer B. Blood
T.V. transmission cannot cover a very large area because Options: A. the strength of T.V. waves is very limitedB. picture cannot be transmitted clearly after a specific distanceC. the shape of the earth is sphericalD. the air is not a good conductor of light and sound/waves View Answer C. the shape of the earth is spherical
A satellite moving round the earth with a uniform speed has____________? Options: A. An accelerated motionB. No acceleration at allC. Uniform accelerationD. Uneven acceleration View Answer C. Uniform acceleration
Which from the following is true for Options: A. Sound cannot travel through a vacuumB. Sound cannot travel through gasesC. Sound cannot travel through liquidsD. Sound cannot travel through solids View Answer A. Sound cannot travel through a vacuum
The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water. Options: A. 1 gramB. 10 gramsC. 1 kgD. 10 kg View Answer C. 1 kg
The Carbon Dioxide in the atmosphere, by volume, is_______? Options: A. 0.039%B. 3.9%C. 13%D. 30% View Answer A. 0.039%
The instrument which measures very high temperature is____________? Options: A. ManometerB. ThermostatC. ChronometerD. Pyrometer View Answer D. Pyrometer