General Knowledge

The chemical formula of ozone is?

A) O2
B) O3 ✓
C) CO2
D) NO2
Ozone’s formula is O3, consisting of three oxygen atoms, playing a vital role in absorbing harmful UV radiation in Earth’s stratosphere.
This Answer is ✓ Verified and cross checked by Wasim Abbas and was last updated on May 21, 2026
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General Knowledge

Who wrote *Das Kapital*?

A) Karl Marx
B) Friedrich Engels
C) Vladimir Lenin
D) Max Weber
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General Knowledge

Who wrote the book *Silent Spring*, sparking the modern environmental movement?

A) Jane Goodall
B) Rachel Carson
C) Aldo Leopold
D) Greta Thunberg
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General Knowledge

Which explorer first circumnavigated the globe?

A) Columbus
B) Magellan
C) Drake
D) Vasco da Gama
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General Knowledge

Who coined the phrase “Survival of the Fittest”?

A) Charles Darwin
B) Herbert Spencer
C) Thomas Malthus
D) Francis Galton
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General Knowledge

The Taj Mahal was built by Shah Jahan in memory of?

A) Mumtaz Mahal
B) Jahanara Begum
C) Nur Jahan
D) Roshanara Begum
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