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A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
Which country has developed the world’s first ‘AI Prosecutor’?
India
Russia
China
USA
Answer with explanation
Answer: Option CExplanation
Chinese scientists have developed the world’s first machine that can charge people with crime using artificial intelligence.
As per the scientists, the AI “prosecutor” can charge people with over 97 percent accuracy and it works on a verbal description. The researchers also announced that it can also identify “dissent” against the state.
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Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear
1828
1831
1825
There is no sure date
Answer with explanation
Answer: Option DExplanation
No one knows for sure when the first chocolate bar appeared or even who made it, but an important event occurred in 1828. The Van Houten press was invented, which extracted cocoa butter from the bean – the same press that brought the Cadbury Brothers success with Cocoa Essence.
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Which one of the following was to be discovered first in the chromosphere of the sun
Helium
Xenon
Krypton
Neon
Answer with explanation
Answer: Option AExplanation
1.1 Historical Overview. The first noble gas to be discovered was helium (Lockyer, 1869). Spectroscopic investigations of the Sun’s chromosphere during a solar eclipse in India in 1868 revealed a previously unobserved line, close in wavelength to the D1 and D2 Fraunhofer lines of sodium.
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Who developed the small pox vaccination?
Alexander Fleming
Eduard Jenner
Albert Einstein
None of these
Answer with explanation
Answer: Option BExplanation
The basis for vaccination began in 1796 when an English doctor named Edward Jenner observed that milkmaids who had gotten cowpox did not show any symptoms of smallpox after variolation.
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Who was the inventor of the postage stamp?
Rowland Hill
Ibrahim El-Naiz
Heinrich Hertz
Quam Hollista
Answer with explanation
Answer: Option AExplanation
December 3, 1795: Rowland Hill, who invented the first adhesive postage stamp in 1840, was born.
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