Free Inventions and Discoveries MCQs with Answers

• A. Knowledge
• B. Coins
• C. Nights
• D. Islands

Explanation: Noology comes from Greek roots related to mind and knowledge, so it concerns the study of intellect or knowledge.

• A. Agriculture
• B. Fields
• C. Soil
• D. Earth Crust

Explanation: Geoponics is the science or practice of cultivating the land, especially through agriculture and soil management.

• A. Whales and Dolphins
• B. seas and Oceans
• C. Mountains
• D. Deserts

Explanation: Cetology is the branch of zoology that studies whales, dolphins and related cetaceans.

• A. Fruit & Seeds
• B. Vegetables & Fruits
• C. flowers and plants
• D. Leaves

Explanation: Carpology is the botanical study of fruits and seeds, including their structure and development.

• A. Tab
• B. Enter
• C. Backspace
• D. Spacebar

Explanation: Traditional typewriters used a carriage-return mechanism rather than a key labelled Enter.

• A. Facebook
• B. Google
• C. IBM
• D. Apple

Explanation: Project Skybender was a Google project involving high-altitude drones designed to test millimetre-wave wireless links for faster 5G…

• A. AIDS
• B. Blood Cancer
• C. Dengue
• D. Diabetes

Explanation: Indian researchers developed an Ayurvedic herbal formulation aimed at treating dengue, a mosquito-borne viral disease.

• A. Sir Frank Whittle
• B. Gottlieb Daimler
• C. Roger Bacon
• D. Lewis E. Waterman

Explanation: British engineer Sir Frank Whittle developed and patented the turbojet concept and built an early jet engine.

• A. 1950s
• B. 1960s
• C. 1970s
• D. 1980s

Explanation: Although the barcode concept was patented earlier, the first practical retail barcode scanner system came into use in the 1970s, including…

• A. Sofa bed
• B. Captain's chair
• C. Waterbed
• D. Hammock

Explanation: Charles Prior Hall is credited with developing the modern waterbed in 1968.

• A. England
• B. U.S
• C. Sweden
• D. Finland

Explanation: Edwin Budding, who invented the mechanical lawn mower in 1830, was an English engineer from Stroud, England.

• A. 1831
• B. 1832
• C. 1833
• D. There is no sure date

Explanation: The date of the first chocolate bar is disputed because early solid chocolate products developed gradually in the nineteenth century and…

• A. Hungry
• B. Sweden
• C. Finland
• D. Greece

Explanation: The Biro brothers, László and György, were Hungarian inventors associated with the modern ballpoint pen.

• A. 66
• B. 77
• C. 88
• D. 44Education

Explanation: A standard modern piano has 88 keys: 52 white keys and 36 black keys. Earlier pianos sometimes had fewer keys, but 88 is the ordinary…

• A. Booker T, Washington
• B. George Washington Carver
• C. Jonas Salk
• D. Charles Drew

Explanation: Charles Drew developed important methods for processing and storing blood plasma, helping establish modern blood-bank systems.

• A. Egg of silkworm
• B. Pupa of silkworm
• C. Larva of silkworm
• D. Insect itself

Explanation: The larva of the silkworm produces silk from glands near its mouth and spins it into a cocoon.

• A. Charles Herbert Best
• B. Prof John James Rickard Macleod
• C. Sir Frederick Grant Banting
• D. Leonard Thompson

Explanation: Frederick Banting initiated the successful insulin research in 1921 with Charles Best, while Macleod supervised the work.

• A. Blinds
• B. Dumb
• C. Handicap
• D. Labours

Explanation: Louis Braille developed the raised-dot reading and writing system for blind people.

• A. Agoraphobia
• B. Acrophobia
• C. Ablutophobia
• D. Hydrophobia

Explanation: Ablutophobia is the specific fear of bathing or washing. Agoraphobia concerns open or crowded places, acrophobia heights, and hydrophobia…

• A. Coca Cola
• B. Lemonade
• C. Pepsi
• D. Soda water

Explanation: Coca-Cola was created in 1886 by pharmacist John S. Pemberton and was initially marketed as a medicinal tonic.