Who invented ‘Tyre’?
- (A) Strite
- (B) Dunlop
- (C) Nicole
- (D) Farnsworth
- (B) Dunlop
“Harvester thresher” was invented by:
- (A) Fisher
- (B) Owens
- (C) Lane
- (D) Stephenson
- (C) Lane
Who is associated with the invention of computer?
- (A) Thomas Edison
- (B) Martin Cooper
- (C) Charles Babbage
- (D) John Douglas
- (C) Charles Babbage
Who invented ‘Revolver’?
- (A) Samuel Colt
- (B) James Watt
- (C) John Browning
- (D) John Ericsson
- (A) Samuel Colt
Mention the inventor of ‘High speed engine’?
- (A) Brayton
- (B) Daimler
- (C) Kellogg
- (D) Harrison
- (B) Daimler
Whose invention is cotton gin?
- (A) Spenser
- (B) Fisher
- (C) Whitney
- (D) Waterman
- (C) Whitney
Who invented ‘Telescope’?
- (A) Dunlop
- (B) Galileo
- (C) Lippershey
- (D) John Baird
- (B) Galileo
Who discovered the vaccine for polio?
- (A) Ronald Ross
- (B) Jonas Salk
- (C) Louis Pasteur
- (D) Edward Tanner
- (B) Jonas Salk
Oral polio vaccine was developed by:
- (A) Albert Sabin
- (B) Fleming
- (C) Robert Hook
- (D) Louis Pasture
- (A) Albert Sabin
Jet engine was invented by _______ of England in 1930.
- (A) Alexander
- (B) Frank Whittle
- (C) Daimler
- (D) A.J Fisher
- (B) Frank Whittle