The cell was first discovered and named by whom in 1665? MCQ with Answer and Explanation

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The cell was first discovered and named by whom in 1665?

A. Robert Hooke

B. Matthias Schleiden

C. Anton van Leeuwenhoek

D. Theodor Schwann

Answer: Option A

Solution (By JKSSB Mock Tests)

Robert Hooke discovered plant cells in cork tissue under a primitive microscope in 1665 and coined the term 'cell'.

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Question #1

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Who discovered that light waves produce alternating dark and bright line bands when passing through two adjacent slits, establishing interference?

A. Isaac Newton

B. Augustin Fresnel

C. Christiaan Huygens

D. Thomas Young

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Correct Answer: Option D

Explanation:
Thomas Young conducted his famous Double-Slit Experiment in 1801, providing strong evidence for the wave theory of light.

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Question #2

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The invention of the common household cooking device known as the Microwave Oven was an accidental discovery by whom?

A. Thomas Edison

B. Percy Spencer

C. Robert Watson-Watt

D. Theodore Maiman

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Correct Answer: Option B

Explanation:
Spencer noticed a candy bar melted in his pocket in 1945 while standing near an active military radar magnetron vacuum tube.

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Question #3

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The invention of synthetic nylon fiber, which replaced silk in textiles, was led by which chemist at DuPont?

A. Stephanie Kwolek

B. Roy Plunkett

C. Leo Baekeland

D. Wallace Carothers

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Correct Answer: Option D

Explanation:
Wallace Carothers invented Nylon (Polyamide 6,6) and Neoprene synthetic rubber in the 1930s.

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