Important Inventions and Discoveries in World – 7

Important Inventions and Discoveries in World » Exercise – 1

7. What J. B. Dunlop invented?

(a) Pneumatic rubber tire
(b) Automobile wheel rim
(c) Rubber boot
(d) Model airplanes

Answer
Answer : (a)
Explanation
Explanation : John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.
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