Exercise 1

Question 16 :


A). Cohen & Boyer
B). Hunt & Davids
C). Sinclair & Roberts
D). Jaysson & Simons
Answer : Option A

Explanation :

Genetic Engineering, the technique of DNA cloning was perfected by Stanley Cohen and Herbert Boyer in 1973.

Question 17 :

What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

A). Microwave oven
B). Remote control
D). Calculator
Answer : Option B

Explanation :

The first wireless remote control for television was called Flashmatic. (Remember when you had to get up to change the channel?)

Question 18 :

What Benjamin Franklin invented?

A). Bifocal spectacles
B). Radio
C). Barometer
D). Hygrometer
Answer : Option A

Explanation :

Invented in 1760.

A list of Benjamin Franklin's inventions reveals a man of many talents and interests. It was the scientist in Ben that brought out the inventor. His natural curiosity about things and the way they work made him try to find ways to make them work better.

Ben had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals.

Question 19 :

This part-time race car driver invented the bucket seat in 1969. Who was he??

A). Steve McQueen
B). Harrison Frazier
C). Paul Newman
D). John Wayne
Answer : Option A

Explanation :

McQueen died in 1980 from a rare form of lung cancer.

Question 20 :

What plaything was invented by Joe McVicker in 1956?

A). Silly Putty
B). Etch-A-Sketch
C). Lite-Brite
D). Play-Doh
Answer : Option D

Explanation :

The stuff was originally intended to be wallpaper cleaner! (I used to eat this as a child)