CUET Commerce Exam  >  CUET Commerce Test  >  General Test Preparation for CUET UG  >  Test: Inventions GK- 2 - CUET Commerce MCQ

Inventions GK- 2 - Free MCQ Practice Test with solutions, CUET Commerce


MCQ Practice Test & Solutions: Test: Inventions GK- 2 (25 Questions)

You can prepare effectively for CUET Commerce General Test Preparation for CUET UG with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Inventions GK- 2". These 25 questions have been designed by the experts with the latest curriculum of CUET Commerce 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 25 minutes
  • - Number of Questions: 25

Sign up on EduRev for free to attempt this test and track your preparation progress.

Test: Inventions GK- 2 - Question 1

What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

Test: Inventions GK- 2 - Question 2

The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

Detailed Solution: Question 2

Leslie R. Groves, however, was the military head of the project and the overall supremo, while Robert Oppenheimer was the scientific director. The world's first atomic bomb was exploded in the New Mexico desert on July 16, 1945.

Test: Inventions GK- 2 - Question 3

When was the first lawn mower invented?

Detailed Solution: Question 3

The first lawn mowers were not engine powered. Invented in 1830 by Edwin Budding of England, the mowers were turning blades on wooden sticks used to cut grass. Engine powered mowers were not invented until 1919 by an American Army colonel, who used the motor from a washing machine.

Test: Inventions GK- 2 - Question 4

In which decade were the first successful diode and triode vacuum tubes invented?

Detailed Solution: Question 4

In 1904, John Ambrose Fleming invented the first practical electron tube called the 'Fleming Valve', which is a diode rectifier. In 1906, Lee de Forest invented the audion later called the triode, which provided signal amplification.

Test: Inventions GK- 2 - Question 5

Who is the English physicist responsible for the 'Big Bang Theory'?

Detailed Solution: Question 5

George Gamow. Gamow, who died in 1968, was a physicist, who published "Thirty Years that Shook Physics".

Test: Inventions GK- 2 - Question 6

What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?

Detailed Solution: Question 6

The board was invented by Isaac and William Fuld. The word 'Ouija' comes from the French and German words for 'yes', 'oui' and 'ja'.

Test: Inventions GK- 2 - Question 7

Who had an explosive idea and first patented DYNAMITE?

Detailed Solution: Question 7

Alfred Noble patented dynamite in 1876. Nobel left $9 million in his will to be used as awards for people whose work benefit humanity - The Nobel Peace Prize etc.

Test: Inventions GK- 2 - Question 8

Who invented the Spinning Jenny?

Detailed Solution: Question 8

Awarded a Patent in 1770. It used 8 bobbins at once.

Test: Inventions GK- 2 - Question 9

Which insurance salesman invented the fountain pen in 1884?

Detailed Solution: Question 9

Lewis Edson Waterman patented the first practical fountain pen in 1884.

Test: Inventions GK- 2 - Question 10

When was the first elevator built?

Detailed Solution: Question 10

The first elevator was built in the palace of King Louis XV. It only traveled up one floor, and was hand powered by men inside the chimney.

Test: Inventions GK- 2 - Question 11

What charge card, developed in 1950, was the first to be accepted nationally in the US?

Detailed Solution: Question 11

The card was invented by Frank McNamara and Ralph Schneider.

Test: Inventions GK- 2 - Question 12

What Enrico Fermi invented?

Detailed Solution: Question 12

Invented in 1942.

Test: Inventions GK- 2 - Question 13

Which of the following was first patented by an Australian in 1889?

Detailed Solution: Question 13

The Electric Drill was the invention of Arthur James Arnot. On 20 August 1889 he patented his design while working for the Union Electric Company in Melbourne. His original design was meant primarily for drilling rock to find coal!

Test: Inventions GK- 2 - Question 14

Who among the following invented the small pox vaccine?

Test: Inventions GK- 2 - Question 15

What George Westinghouse invented?

Detailed Solution: Question 15

Invented in 1868.

Test: Inventions GK- 2 - Question 16

Who is the only U.S. President to invent and patent something?

Detailed Solution: Question 16

In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.

Test: Inventions GK- 2 - Question 17

What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Detailed Solution: Question 17

Zworykin invented both the tube (iconoscope) for transmission and the receiver (kinescope) in 1923 and 1924, respectively.

Test: Inventions GK- 2 - Question 18

Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?

Detailed Solution: Question 18

Ben also holds a lot of firsts - first U.S. ambassador, first political cartoonist, first American philosopher, organized the first fire department, and on and on.

Test: Inventions GK- 2 - Question 19

What Thomas Davenport invented?

Detailed Solution: Question 19

Invented in 1834.

Test: Inventions GK- 2 - Question 20

What Elisha Otis invented?

Detailed Solution: Question 20

In 1853, American inventor Elisha Otis demonstrated a freight elevator equipped with a safety device to prevent falling in case a supporting cable should break. This increased public confidence in such devices. Otis established a company for manufacturing elevators and patented (1861) a steam elevator.

Many people think that he invented the elevator, but the truth is, he invented the elevator brake. He also invented the railway safety brake.

Test: Inventions GK- 2 - Question 21

Where was the yo-yo invented?

Detailed Solution: Question 21

The yo-yo was first used by hunters as weapons. They were wooden disks on strings. In the 1920s, a man from the U.S. named Donald Duncan made the yo-yo into a toy after he visited the Philippines.

Test: Inventions GK- 2 - Question 22

For what does the world owe Almon Strowger a debt of gratitude?

Detailed Solution: Question 22

He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!

Test: Inventions GK- 2 - Question 23

Who is often called the 'first African-American' inventor?

Detailed Solution: Question 23

Banneker was a member of the planning committee that designed Washington, DC along with Pierre L'Enfant. When L'Enfant was fired Banneker recreated the plans from memory.

Test: Inventions GK- 2 - Question 24

The first hand glider was designed by...?

Test: Inventions GK- 2 - Question 25

What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?

164 videos|823 docs|1380 tests
Information about Test: Inventions GK- 2 Page
In this test you can find the Exam questions for Test: Inventions GK- 2 solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Inventions GK- 2, EduRev gives you an ample number of Online tests for practice
Download as PDF