(A) Thomas Edison
(B) Guglielmo Marconi
(C) Nikola Tesla
(D) Theodore Maiman
Answer: (D) Theodore Maiman
Tag: css past papers mcqs
Who invented the first computer?
(A) Charles Babbage
(B) Stephen Hawking
(C) Alan Turing
(D) Thomas Jefferson
Answer: (A) Charles Babbage
Who invented the microwave oven?
(A) Mark Stephanie
(B) Percy Spencer
(C) William Powell
(D) All of these
Answer: (B) Percy Spencer
Who discovered the law of evolution?
(A) Alfred Russel
(B) Gregor Mendel
(C) Charles Darwin
(D) Peter Jackson
Answer: (C) Charles Darwin
Who discovered the structure of DNA?
(A) James Watson
(B) Francis Crick
(C) Charles Darwin
(D) Both A and B
Answer: (D) Both A and B
Who discovered penicillin?
(A) Alexander Fleming
(B) Louis Pasteur
(C) Edward Jenner
(D) Jonas Salk
Answer: (A) Alexander Fleming
Who discovered the X-ray?
(A) Marie Curie
(B) Louis Pasteur
(C) Albert Einstein
(D) Wilhelm Conrad Röntgen
Answer: (D) Wilhelm Conrad Röntgen
Gravity was discovered by:
(A) Leonardo da Vinci
(B) Isaac Newton
(C) Galileo Galilei
(D) Albert Einstein
Answer: (B) Isaac Newton
Who invented the World Wide Web?
(A) Bill Gates
(B) Steve Jobs
(C) Mark Zuckerberg
(D) Tim Berners-Lee
Answer: (D) Tim Berners-Lee
Who invented the polio vaccine?
(A) Louis Pasteur
(B) Jonas Salk
(C) Edward Jenner
(D) Alexander Fleming
Answer: (B) Jonas Salk