Multiple choice

Match the following discoveries with their discoverers:

 
1. Typewriter A. Colt
2. Revolver B. Hargobind Khurana
3. Genetic code C. Graham Bell
4. Telephone D. Sholes

  1. 1 - D, 2 - A, 3 - B, 4 - C

  2. 1 - B, 2 - C, 3 - D, 4 - A

  3. 1 - A, 2 - D, 3 - B, 4 - C

  4. 1 - C, 2 - B, 3 - D, 4 - A
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The correct matches are: Typewriter - Sholes (Christopher Latham Sholes invented the first practical typewriter), Revolver - Colt (Samuel Colt), Genetic code - Hargobind Khurana (Har Gobind Khorana decoded it), and Telephone - Graham Bell (Alexander Graham Bell).

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