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
91
Which two countries are the only 'double-landlocked' countries in the world?
Answer:
Uzbekistan and Liechtenstein
A double-landlocked country is one that is landlocked by countries that are themselves landlocked. Only Liechtenstein (in Europe) and Uzbekistan (in Asia) fit this definition.
92
What is the most abundant element in the Earth's crust by weight?
Answer:
Oxygen
Oxygen is the most abundant element in the Earth's crust, making up about 46% of its mass, followed by silicon.
93
The concept of a 'Buffer State' refers to:
Answer:
A small neutral country situated between two larger hostile countries
A buffer state is a country lying between two rival or potentially hostile greater powers, whose existence prevents conflict between them (e.g., Mongolia between China and Russia).
94
Which type of plate boundary occurs where two tectonic plates slide past each other horizontally?
Answer:
Transform boundary
At a transform boundary, plates slide laterally past one another. The San Andreas Fault is a famous example of this type of boundary.
95
The Kaliningrad region belongs to Russia but is separated from the rest of the country by Lithuania and Poland. This is an example of a(n):
Answer:
Exclave
An exclave is a portion of a country's territory geographically separated from the main part by surrounding alien territory. Kaliningrad is a classic example.
96
Which mechanical layer of the Earth comprises the crust and the uppermost solid mantle?
Answer:
Lithosphere
The lithosphere is the rigid, outermost shell of the Earth, consisting of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years.
97
The Exclusive Economic Zone (EEZ) of a coastal nation extends how far from its baseline according to UNCLOS?
Answer:
200 nautical miles
Under the UN Convention on the Law of the Sea (UNCLOS), a state has special rights regarding the exploration and use of marine resources up to 200 nautical miles from its coast.
98
What geopolitical term describes a country that is completely surrounded by the territory of another single country?
Answer:
Enclave
An enclave is a territory (or a part of one) that is entirely surrounded by the territory of one other state. Examples include San Marino and Lesotho.
99
Which layer of the Earth is composed primarily of liquid iron and nickel?
Answer:
Outer Core
The Outer Core is a fluid layer composed mostly of iron and nickel. Its movement creates the dynamo effect that generates Earth's magnetic field.
100
The boundary separating the Earth's crust from the underlying mantle is known as the:
Answer:
Mohorovicic Discontinuity (Moho)
The Mohorovicic Discontinuity, or 'Moho', marks the boundary between the Earth's crust and the mantle, characterized by a distinct change in the velocity of seismic waves.