All Categories MCQs
Topic Notes: All Categories
General Description
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
70571
What is the area of the Labrador Peninsula?
Answer:
625,000 square miles
The Labrador Peninsula covers 625,000 square miles (1,620,000 square km), larger than Alaska but smaller than the Indian Peninsula.
70572
Which peninsula has an area of 580,000 square miles?
Answer:
laska Peninsula
The Alaska Peninsula has an area of 580,000 square miles (1,500,000 square km), smaller than Labrador but larger than Scandinavia or Malay Peninsulas.
70573
What is the area of the Indian Peninsula?
Answer:
800,000 square miles
The Indian Peninsula has an area of 800,000 square miles (2,072,000 square km), making it the second largest peninsula, smaller than the Arabian but larger than Alaska or Iberian.
70574
Which is the largest peninsula in the world by area?
Answer:
rabian Peninsula
The Arabian Peninsula is the largest in the world, with an area of 1,250,000 square miles, significantly larger than the Indian, Alaska, or Labrador Peninsulas.
70575
The 'Peak Oil' theory suggests that:
Answer:
Oil production will reach a maximum rate and then irreversibly decline
Peak Oil is the hypothetical point in time when the maximum rate of extraction of petroleum is reached, after which it is expected to enter terminal decline.
70576
Magnesium metal is commercially extracted primarily from:
Answer:
Seawater and Brines
Magnesium is the third most abundant mineral dissolved in seawater, making electrolysis of magnesium chloride from brine a major production method.
70577
Which country is the largest producer of farmed (cultured) pearls?
Answer:
China
China produces the vast majority of the world's freshwater cultured pearls.
70578
Oud (Agarwood) is a dark, resinous heartwood formed in Aquilaria trees when they become:
Answer:
Infected with mold
The tree produces the dark, aromatic resin as a defense mechanism against a specific mold infection; healthy wood is odorless.
70579
Limestone is the primary raw material for manufacturing:
Answer:
Cement
Limestone (Calcium Carbonate) is heated in a kiln to produce clinker, the main ingredient in Portland cement.
70580
Rhenium, used in high-temperature jet engines, is usually obtained as a by-product of mining:
Answer:
Copper and Molybdenum
Rhenium is one of the rarest elements and is extracted from the flue dusts of molybdenum roasters (which are often byproducts of copper mining).