General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
21
Chalcopyrite is the most common ore of:
Answer:
Copper
Chalcopyrite (Copper iron sulfide) is the most important copper ore mineral.
22
Bagasse is a fibrous biomass residue left over after crushing:
Answer:
Sugarcane
Bagasse is the dry pulpy residue left after extracting juice from sugarcane and is often used as a biofuel for electricity generation.
23
Teak, a tropical hardwood valued for its durability and water resistance, is native to:
Answer:
Southeast Asia
Teak is native to South and Southeast Asia (India, Indonesia, Malaysia, Myanmar) and is prized for boat building and furniture.
24
Which country dominates the global production of Tungsten?
Answer:
China
China produces over 80% of the world's tungsten, a metal known for having the highest melting point.
25
Chromite is the only commercially viable ore for extracting:
Answer:
Chromium
Chromite is mined to produce Chromium, which is essential for making stainless steel and chrome plating.
26
The vast majority of the world's Vanilla comes from:
Answer:
Madagascar
Madagascar produces about 80% of the world's vanilla, specifically the 'Bourbon' variety.
27
Maple Syrup is a globally recognized resource primarily associated with:
Answer:
Quebec, Canada
The province of Quebec produces over 70% of the world's maple syrup supply.
28
Which country is the world's largest producer of Silver?
Answer:
Mexico
Mexico has historically been and remains the world's top producer of silver.
29
Lapis Lazuli, a deep blue semi-precious stone, has been mined for thousands of years in:
Answer:
Afghanistan
The Sar-i Sang mines in Badakhshan, Afghanistan, have been the primary source of Lapis Lazuli for over 6,000 years.
30
Processed coal with high carbon content used as a fuel and reducing agent in smelting iron ore is called:
Answer:
Coke
Coke is a grey, hard, and porous fuel with a high carbon content and few impurities, made by heating coal in the absence of air.