Inventions Section 1 - General Knowledge Questions and Answers

Inventions - Section 1

71.

Who invented Bicycle?

A.	Leo H Baekeland
B.	कार्ल बेंज
C.	ेवांगेलिस्टा टोर्रिकेल्ली
D.	किरकपत्रिक मैमिलन

72.

In the 1700s, who would pay the postage fee for letters before the stamp was invented?

A.	The sender
B.	कोई शुल्क नहीं था
C.	पत्र के रिसीवर
D.	डाक घर

73.

Who synthesized the first wholly artificial gene?

A.	Hargobind Khorana
B.	जे.जे. थॉमसन
C.	बेंजामिन फ्रैंकलिन
D.	मेघनाद साहा

74.

FROZEN FOOD - Who discovered the first practical method of freezing food?

A.	C. Birdseye
B.	एफ. रोज़ोनोश
C.	जी. खोजुस
D.	आर स्कॉट

75.

When was the Raggedy Ann doll patented?

A.	1915
B.	1920
C.	1919
D.	1911