General Knowledge

Boost your exam preparation with the latest General Knowledge MCQs with answers and explanations. Our collection covers current affairs, world geography, history, Pakistan studies, sports, science, technology, and important international organizations. These General Knowledge multiple-choice questions are designed for students, job seekers, and competitive exam aspirants preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and recruitment exams. Practice online with updated General Knowledge MCQs to improve awareness, sharpen memory, and score higher in tests and interviews.

📘 Awards and Honours MCQs
📘 Basic General Knowledge MCQs
📘 Biology MCQs
📘 Books and Authors MCQs
📘 CAPITAL & FAMOUS CITIES
📘 Chemistry MCQs
📘 Days and Years MCQs
📘 Environmental Science MCQs
📘 Famous Personalities MCQs
📘 Famous Places in India MCQs
📘 General Science MCQs
📘 GK
📘 Honours and Awards MCQs
📘 Indian Culture MCQs
📘 Indian Geography MCQs
📘 INTERNATIONAL AFFAIRS
📘 Inventions MCQs
📘 Physics MCQs
📘 Sports MCQs
📘 Teaching and Research MCQs
📘 Technology MCQs
📘 World Geography MCQs
📘 World Organisations MCQs

2181. The famous Minamata disease in Japan is due to the accumulation of____________in fishes.

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A. Cadmium
B. Mercury
C. Zinc
D. Lead
✅ The correct answer is option B.
Minamata disease, which can induce lethal or severely debilitating mental and physical effects, was caused by methylmercury‑contaminated effluent released into Minamata Bay by Chisso, Japan’s largest chemical manufacturer. It resulted in widespread suffering among those who unknowingly ate the contaminated fish.

2182. The final stable community in an ecological succession is called the

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A. final community
B. ultimate community
C. climax community
D. seral community
✅ The correct answer is option C.
The final or stable community in a sere is the climax community or climatic vegetation. It is self-perpetuating and in equilibrium with the physical habitat.

2185. Earth summit of Rio de Janeiro (1992) resulted in

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A. Compilation of Red list
B. Establishment of biosphere reserves
C. Conservation of biodiversity
D. IUCN
✅ The correct answer is option C.
The Earth Summit of Rio de Janeiro, also known as the United Nations Conference on Environment and Development (UNCED), was held in Rio de Janeiro from 3 to 14 June 1992. It resulted in the Convention on Biodiversity, a multilateral treaty.

2190. When it is January and winter in the Northern Hemisphere, it is ______and ________in the Southern Hemisphere.

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A. January and summer
B. January and winter
C. July and winter
D. July and summer
✅ The correct answer is option A.
When it is January and winter in the Northern Hemisphere, it is January and summer in the Southern Hemisphere.