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235 Invention MCQ Questions in english हिन्दी
Who discovered fire?
Fire was discovered and used by early humans in the prehistoric era.
. Who invented the floppy disk?
IBM introduced the floppy disk in the 1970s.
Who invented the telescope?
Galileo improved the telescope for astronomical observations.
Who invented the mobile phone?
Martin Cooper made the first mobile call in 1973.
Who discovered the circulation of blood?
Harvey discovered blood circulation in 1628.
Who discovered X-rays?
Wilhelm Röntgen discovered X-rays in 1895.
Who discovered the electron?
J.J. Thomson discovered the electron in 1897.
. Who is known as the Father of the Computer?
Charles Babbage designed the analytical engine, a precursor to computers.
Who invented the first car?
Karl Benz built the first true automobile in 1885.
Who developed the theory of relativity?
Einstein proposed the special theory of relativity in 1905.
Who invented the battery?
Volta developed the first electric battery in 1800.
Who invented the printing press?
Gutenberg invented the mechanical printing press around 1440.
Who developed the first smallpox vaccine?
In 1796, Edward Jenner introduced the first vaccine for smallpox.
Who discovered gravity?
Newton discovered the law of gravitation in the 17th century.
Who invented the World Wide Web (www)?
In 1989, Tim Berners-Lee invented the World Wide Web.
Who invented the radio?
Guglielmo Marconi is credited with inventing wireless radio communication.
Who discovered penicillin?
In 1928, Alexander Fleming discovered penicillin, the first true antibiotic.
Who invented the electric bulb?
Thomas Edison is credited with inventing the practical incandescent light bulb.
Who invented the telephone?
Alexander Graham Bell invented the telephone in 1876.
Stomata are used for:
They regulate CO₂ in and O₂ out.
Which tree species in Nagaland is valued for its timber and studied for sustainable forestry?
Mahogany forests in Nagaland are studied for sustainable harvesting and reforestation.
What is the primary climate type in Nagaland, influencing its ecological studies?
Nagaland’s monsoon climate, with 1,800–2,500 mm annual rainfall, shapes its environmental research.
Ecosystem services from forests include:
Forests deliver many essential ecosystem services.
Active tectonics cause:
The region is seismically active due to Himalayan uplift.
Unregulated water extraction leads to:
Excessive abstraction can deplete aquifers.
Which biodiversity hotspot does Meghalaya belong to?
It is part of the Indo‑Burma biodiversity hotspot
What type of cave system is Siju Cave?
It is a limestone cave
Siju Wildlife Sanctuary is best known for
Known for rare birds and marine fossil-bearing limestone