General Knowledge MCQs

Explanation

Gregor Mendel's experiments with pea plants laid the foundation for the science of genetics

Explanation

• Each letter shifts forward by 7 positions
• 'BOX' -> shift every letter by 7
• Result: 'IVE'

Explanation

Alexander Graham Bell is credited with inventing and patenting the first practical telephone in 1876

Explanation

James Watt significantly improved the steam engine's efficiency in the 18th century, powering the Industrial Revolution

Explanation

• Each letter shifts forward by 3 positions
• 'CUP' -> shift every letter by 3
• Result: 'FXS'

Explanation

Thomas Edison developed and patented a commercially practical incandescent light bulb in 1879

Explanation

Joseph Priestley is credited with discovering oxygen in 1774 (independently also isolated by Carl Wilhelm Scheele)

Explanation

• Each letter shifts forward by 7 positions
• 'BAT' -> shift every letter by 7
• Result: 'IHA'

Explanation

Alexander Fleming discovered penicillin in 1928, leading to the development of antibiotics

Explanation

Dmitri Mendeleev created the periodic table of elements in 1869, organizing elements by atomic weight and properties