The primary function of the feathers in birds is to _________? April 15, 2025 by admin A. Provide insulation for preserving body heat B. Provide striking surface to the wings for flying C. Make the body surface waterproof D. impart coloration for species as well as sex recognitionThe…
The rear view mirror of a motor vehicle is ________? April 15, 2025 by admin A. Concave B. Plane C. Convex D. BiconcaveThe correct answer to the question: "The rear view…
Lead ball falls through water more slowly than through air because __________? April 15, 2025 by admin A. The value of ‘g’ is less in water B. Density of air is less than that of water C. Of the viscous force in water D. Of The surface tension of waterThe correct answer to…
A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________? April 15, 2025 by admin A. – 2O°C B. – 10°C C. + 10°C D. + 20°CThe correct answer to the question: "A Fahrenheit…
Which one of the following sets of color combinations is added in color vision in TV’? April 15, 2025 by admin A. Red, green and blue B. Orange, back and violet C. White. red and yellow D. Yellow, green and blueThe correct answer to the question:…
A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________? April 15, 2025 by admin A. Remain unaffected B. Fall away from the train C. Fall towards the train D. Fall away from or towards the train depending upon…
Water is a highly effective coolant for a car engine because _________? April 15, 2025 by admin A. Water is good conductor of heat B. Water has very high specific heat capacity C. Water boils at a comparatively high temperature D. Evaporation of water produces lot of coolingThe correct answer…
Scalding with steam is more severe than scalding by boiling water because_______? April 15, 2025 by admin A. Steam can penetrate the skin B. Steam is at a higher temperature C. Steam contains more energy than boiling water D. Steam is at a higher pressureThe correct answer to…
The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________? April 15, 2025 by admin A. The hair barging against the charged comb B. Small electric sparks C. The rubbing of the comb with the hair D. None of the aboveThe correct answer to the question:…
In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________? April 15, 2025 by admin A. Electroplating B. Annealing C. Galvanization D. VulcanizationThe correct answer to the question: "In order to…
