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Question

Match the following.

Scientist

Discovery

1) Joseph Thomson

a) Optical Fiber

2) Alexander Fleming

b) Radium

3) Narinder Kapany

c) Electron

4) Marie Curie

d) Penicillin

This question was previously asked in
SSC CGL 2017 (Tier 1) Previous Year Paper (16-Aug-2017) (Shift 1)
The correct answer is

1-c, 2-d, 3-a, 4-b

Matching each scientist to the discovery they are credited with:

Joseph J. Thomson identified the electron in 1897 via cathode-ray experiments — so 1-c.

Alexander Fleming discovered penicillin in 1928 from the mould Penicillium notatum — so 2-d.

Narinder Singh Kapany, the "Father of Fibre Optics", pioneered optical fibre — so 3-a.

Marie Curie, with Pierre Curie, isolated radium (and polonium) in 1898 — so 4-b.

The correct combination is 1-c, 2-d, 3-a, 4-b.

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