General Knowledge (GK)

Home
General Knowledge (GK)
General Science and Nature
- Biology MCQs

Home

General Knowledge (GK)

Basic General Knowledge (GK)

All MCQs

Sign in

Hay, Enter your details to get sign in to your account

Forgot Password?

Don't have an account Sign up

Sign up

Hay, Enter your details to get sign up to your account

Have an account already Sign in

201.

Who invented the first practical incandescent light bulb?

James Watt

Benjamin Franklin

Thomas Edison

Nikola Tesla

Explanation Comments

Answer: Thomas Edison

Explanation:

Thomas Edison is credited with inventing the first practical incandescent light bulb, which revolutionized the lighting industry.

Hide Explanation

202.

Who is known for the discovery of penicillin, the first widely used antibiotic?

Robert Koch

Edward Jenner

Alexander Fleming

Louis Pasteur

Explanation Comments

Answer: Alexander Fleming

Explanation:

Alexander Fleming discovered penicillin, the first widely used antibiotic, in 1928, revolutionizing medicine and saving countless lives.

Hide Explanation

203.

Who proposed the atomic model with a central nucleus and electrons orbiting it, known as the Rutherford model?

Niels Bohr

Max Planck

J.J. Thomson

Ernest Rutherford

Explanation Comments

Answer: Ernest Rutherford

Explanation:

Ernest Rutherford proposed the atomic model with a central nucleus and electrons orbiting it, known as the Rutherford model, in 1911.

Hide Explanation

204.

Who is known for his pioneering work on the theory of electromagnetism and the development of the electromagnetic wave equation?

Michael Faraday

Albert Einstein

Heinrich Hertz

James Clerk Maxwell

Explanation Comments

Answer: James Clerk Maxwell

Explanation:

James Clerk Maxwell is known for his pioneering work on the theory of electromagnetism and the development of the electromagnetic wave equation, which laid the foundation for radio waves.

Hide Explanation

205.

Who is the inventor of the World Wide Web (WWW)?

Mark Zuckerberg

Bill Gates

Larry Page

Tim Berners-Lee

Explanation Comments

Answer: Tim Berners-Lee

Explanation:

Tim Berners-Lee is credited with inventing the World Wide Web (WWW), which transformed the way information is shared and accessed on the internet.

Hide Explanation

206.

Who developed the first successful polio vaccine?

Louis Pasteur

Jonas Salk

Edward Jenner

Albert Sabin

Explanation Comments

Answer: Jonas Salk

Explanation:

Jonas Salk developed the first successful polio vaccine, which played a crucial role in the near-eradication of polio worldwide.

Hide Explanation

207.

Who is known for the discovery of X-rays, a groundbreaking development in medical imaging?

Robert Koch

Wilhelm Conrad Roentgen

Louis Pasteur

Marie Curie

Explanation Comments

Answer: Wilhelm Conrad Roentgen

Explanation:

Wilhelm Conrad Roentgen is known for the discovery of X-rays in 1895, which revolutionized medical imaging and diagnostics.

Hide Explanation

208.

Who is famous for the development of the first successful airplane, the Wright Flyer?

Orville and Wilbur Wright

Leonardo da Vinci

Alexander Graham Bell

Thomas Edison

Explanation Comments

Answer: Orville and Wilbur Wright

Explanation:

Orville and Wilbur Wright are known for developing the first successful powered airplane, the Wright Flyer, in 1903.

Hide Explanation

209.

Who proposed the theory of evolution by natural selection in the book "On the Origin of Species"?

Charles Darwin

Gregor Mendel

Alfred Russel Wallace

Jean-Baptiste Lamarck

Explanation Comments

Answer: Charles Darwin

Explanation:

Charles Darwin proposed the theory of evolution by natural selection in his book "On the Origin of Species," published in 1859.

Hide Explanation

210.

Who is considered the father of modern chemistry and introduced the concept of the periodic table of elements?

Antoine Lavoisier

Dmitri Mendeleev

Marie Curie

Robert Boyle

Explanation Comments

Answer: Antoine Lavoisier

Explanation:

Antoine Lavoisier is often referred to as the father of modern chemistry and made significant contributions, including defining the concept of elements and introducing the concept of the periodic table.

Hide Explanation

Quick Links

Famous Books and Authors

World Days

History GK

Famous Scientists and Inventions

Sports

Home
About
Blog
Contact