General Knowledge on General Science

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
181. The image from by an object of a compound microscope is A. virtual and enlarged B. virtual and diminish C. real and diminish D. real and enlarged Check Answer \| Discussion 182. A radar beam is sent onto a moving aeroplane in opposite direction of its approch. In which of these way it will be affected ? A. Its wavelength decreases B. Its wavelength increases C. It remains unaffected D. None of the above Check Answer \| Discussion 183. Which waves are used in sonography? A. Microwaves B. Sound waves C. Infrared waves D. Ultrasonic waves Check Answer \| Discussion 184. A perfect black body has the unique characteristic feature as A. a good absorber only B. a good radiator only C. a good absorber and a good radiator D. Neither an absorber nor radiator Check Answer \| Discussion 185. Optical fibre mainly used in communication is based on A. less absorption coefficient B. less scattering C. total internal reflection D. refraction Check Answer \| Discussion 186. If there were no gravity, which of the following will not be there for a fluid? A. Viscosity B. Pressure C. Archimede's upward thrust D. Surface tension Check Answer \| Discussion 187. In general what is the range of frequency of the "Message Signal"? A. Radio frequency B. Audio frequency C. Both 'a' and 'b' D. Neither 'a' nor 'b' Check Answer \| Discussion 188. The term 'demographic gap' signifies the difference A. In sex ratio B. in age C. in child/woman ratio D. between the birth and the death rate Check Answer \| Discussion 189. The method of reproduction of new plants by cells instead of seed is Known as A. tissue culture B. mutation C. antibiosis D. recombination Check Answer \| Discussion 190. In nitrogen cycle, soil nitrates are transformed into free nitrogen by A. nitrifying bacteria B. denitrifying bacteria C. ammonifying bacteria D. Both'a' and 'c' Check Answer \| Discussion
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General Knowledge on General Science

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