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
131
Which country has the largest number of international borders (sharing land boundaries with $14$ other nations)?
Answer:
China
China shares land borders with $14$ sovereign nations, tying with Russia for the highest number of direct neighbors globally.
132
Which global statistic is primarily used to track the rate of economic growth in most countries?
Answer:
GDP Growth Rate
The GDP Growth Rate, which measures the change in a country's GDP from one period to the next, is the standard metric used to determine if an economy is expanding or contracting.
133
The total area of the Pacific Ocean is approximately what percentage of the world's total ocean surface area?
Answer:
One-half
The Pacific Ocean is the world's largest and deepest ocean basin, covering approximately half of the total ocean surface area on Earth.
134
Which country in Africa has the largest population?
Answer:
Nigeria
Nigeria is the most populous country in Africa, often referred to as the 'Giant of Africa,' with a population exceeding $200$ million.
135
What percentage of the Earth's surface area is covered by land?
Answer:
Approximately $29\%$
The Earth's surface is approximately $71\%$ water (mostly oceans) and $29\%$ land.
136
Which country has the highest average life expectancy in the world (often ranking first or second)?
Answer:
Monaco
Monaco often appears at the top of the list for life expectancy due to its high income, climate, and healthcare quality. Japan and Switzerland consistently rank highly as well.
137
The **Gini coefficient** is a statistical measure of what economic factor?
Answer:
Income or wealth inequality
The Gini coefficient measures the income or wealth distribution of a nation's residents. A Gini coefficient of $0$ represents perfect equality, while a value of $1$ represents maximum inequality.
138
Which city is generally recognized as the most populous metropolitan area in the world?
Answer:
Tokyo, Japan
The Greater Tokyo Area in Japan is consistently ranked as the world's most populous metropolitan area, with a population exceeding $37$ million residents.
139
What is the official name of the index used by the UN to rank countries by life expectancy, education, and per capita income?
Answer:
Human Development Index (HDI)
The Human Development Index (HDI) is a summary measure of average achievement in key dimensions of human development: a long and healthy life, being knowledgeable, and a decent standard of living.
140
Which of the following countries has the largest Gross Domestic Product (GDP) in the world?
Answer:
United States
The United States maintains the world's largest nominal GDP, followed by China. GDP is the total monetary value of all goods and services produced within a country's borders in a specific period.