GK: Class 12 General Q&A · Page 78
3,658 free answers on GK (General) for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What is human class 1?
In biological classification, humans belong to the class Mammalia, which is the first (and only) class-level taxonomic rank to which we belong in the hierarchy of life. This classification places us among all mammals—warm-blooded vertebrates characterized by mammary glands (which produce milk to feed offspring), hair or fur, three middle ear bones, and a neocortex region in the brain. Understanding this classification helps position humans within the broader context of life on Earth: we
- GeneralClass 12All
What is a human-made short answer?
A human-made object or phenomenon is anything created, modified, or constructed through deliberate human action rather than occurring naturally, encompassing everything from simple stone tools used by our ancestors millions of years ago to complex modern technologies like computers, buildings, and synthetic materials. Human-made items are distinguished from natural objects by evidence of intentional design, purposeful modification, or manufacturing processes, though the boundary can blur when
- GeneralClass 12All
What is the human condition?
The human condition refers to the fundamental characteristics, experiences, and existential realities that define what it means to exist as a human being, regardless of culture, time period, or individual circumstances. This encompasses both our shared experiences—birth, growth, consciousness, suffering, joy, relationships, mortality—and the existential questions that arise from our unique capacity for self-awareness and reflection. At its core, the human condition includes our aw
- GeneralClass 12All
What was the first human word ever said?
No one can possibly know what the first human word ever spoken was, because language predates all written records and even the oldest archaeological evidence by tens of thousands of years. Language likely emerged gradually among early Homo sapiens populations between 200,000 and 50,000 years ago, developing from simpler communication systems used by our ancestors. Rather than a single "first word," language probably evolved through incremental steps—from gestural communication
- GeneralClass 12All
Why is humanity called man?
Humanity is sometimes called "man" or "mankind" due to historical linguistic patterns where the Old English word "mann" originally meant "person" or "human being" regardless of gender, functioning as a gender-neutral collective term. Over centuries, this word underwent semantic narrowing, gradually shifting to primarily denote adult males in most contexts while retaining its broader meaning in compound words like "mankind," "manslaughter," or phrases like "man's best friend." This dual usage
- GeneralClass 12All
What is the old word for human?
The oldest English word for human was "mann" in Old English (spoken from approximately 450-1150 CE), which originally meant "person" or "human being" regardless of gender, though it could also specifically denote adult males in certain contexts. This word directly descended from Proto-Germanic "mannaz" and relates to similar words across Germanic languages—"Mann" in German, "man" in Swedish—all sharing the same ancestral root. Before the Norman Conquest brought French and Latin in
- GeneralClass 12All
What are the basic human needs?
The basic human needs extend beyond simple survival to encompass physical, psychological, and social requirements for wellbeing and healthy functioning. At the most fundamental level, humans need air, water, food, and shelter to survive—physiological necessities that keep our bodies alive and functioning. We also require sleep, appropriate temperature regulation, and basic healthcare to maintain physical health. However, unlike simpler organisms, humans cannot thrive on physical surviva
- GeneralClass 12All
Why are we named humans?
We're named humans because the term evolved as the natural English equivalent to describe our species, deriving from Latin "humanus," which emphasized our earthly, mortal nature as beings made from or connected to the ground ("humus" in Latin). This linguistic choice reflected how ancient cultures understood themselves—as rational creatures distinct from both animals and divine beings, occupying a unique middle position in the natural order. The word carried connotations of civility, le
- GeneralClass 12All
What is human in Old English?
In Old English, the language spoken in England from roughly 450 to 1150 CE, the word for human was "mann" (also spelled "mon"), which referred to people generally, regardless of gender, though it could also specifically mean an adult male depending on context. This is the ancestor of the modern English word "man," which has undergone semantic narrowing over centuries to primarily denote adult males, though it still appears in gender-neutral contexts like "mankind" or "manhole." The Old Englis
- GeneralClass 12All
What is the real story of humans?
The real story of humans is a scientific narrative spanning millions of years, beginning with primate ancestors in Africa who gradually evolved traits that would define our lineage. Around 6-7 million years ago, our ancestors diverged from the line leading to modern chimpanzees, and over the next several million years, various species in the genus Homo emerged, walked upright, developed larger brains, created tools, and spread across different environments. Anatomically modern humans
- GeneralClass 12All
When was the first human on Earth?
The first humans, defined as members of the species Homo sapiens, appeared in Africa approximately 300,000 years ago, based on fossil evidence discovered in Jebel Irhoud, Morocco. However, defining "the first human" depends on which evolutionary milestone you're referencing—earlier members of the genus Homo, such as Homo habilis and Homo erectus, emerged between 2 and 3 million years ago and exhibited increasingly human-like traits including tool use,
- GeneralClass 12All
What makes us human?
What fundamentally makes us human is a unique combination of biological, cognitive, and social characteristics that no other species possesses in the same configuration. Our large, complex brains enable abstract reasoning, symbolic thought, language with infinite generative potential, and self-awareness that allows us to contemplate our own existence and mortality. We're the only species that systematically teaches accumulated knowledge across generations through complex culture, creates art
- GeneralClass 12All
Who gave humans the name human?
The name "human" evolved through centuries of linguistic development rather than being coined by a single person, tracing its roots from Latin "humanus" through Old French "humain" into Middle English and eventually modern English. Ancient Romans used "humanus" to describe earthly, mortal people as distinct from gods or animals, and this term naturally evolved as Latin influenced the developing Romance and Germanic languages of Europe. The transition from Latin to English occurred gradually t
- GeneralClass 12All
What is called the first human?
The first humans are collectively referred to as Homo sapiens, but identifying a single "first human" is scientifically impossible because evolution works through gradual population-level changes rather than sudden individual transformations. The earliest known Homo sapiens fossils, discovered at Jebel Irhoud in Morocco and dating to approximately 300,000 years ago, represent our oldest direct ancestors, though these individuals lived among populations that were transitionin
- GeneralClass 12All
Is human once a monkey?
Humans were never monkeys, but we do share a common ancestor with modern monkeys and apes. Approximately 25-30 million years ago, the evolutionary lineage that would eventually lead to humans diverged from the lineage leading to Old World monkeys. Later, around 6-7 million years ago, our ancestors split from the line that produced chimpanzees and bonobos, our closest living relatives. This means humans and modern primates are cousins on the tree of life rather than descendants of one another.
- GeneralClass 12All
What is the human lifespan?
The average human lifespan varies significantly by geography, healthcare access, and socioeconomic factors, but globally it currently averages around 73 years, with substantial variation—ranging from the low 50s in some developing nations to over 85 in countries like Japan, Switzerland, and Singapore. This represents a dramatic increase from historical norms; for most of human history, average life expectancy at birth hovered between 25 and 40 years, held down by high infant mortality,
- GeneralClass 12All
Why are we called humans?
We're called humans because the term evolved through centuries of linguistic development to become the standard English word for our species. The word traces back through Middle English "humain" to Old French "humain," ultimately deriving from Latin "humanus"—a term that emphasized our earthly, mortal nature as opposed to divine beings. This naming choice reflects how ancient cultures understood themselves: as intelligent, rational creatures bound to the physical world, distinct from bo
- GeneralClass 12All
What is the 1 smallest animal?
The smallest animal ever discovered is Myxozoa, a parasitic organism measuring just 20 micrometers (0.02 millimeters)—smaller than many single-celled organisms and barely visible even under a microscope. These microscopic parasites, which primarily infect fish and invertebrates, are so simplified that scientists initially classified them as single-celled protozoans before DNA analysis revealed they're actually highly degenerate animals that lost most typical animal features thr
- GeneralClass 12All
What is a human called?
A human is scientifically called Homo sapiens, a Latin term meaning "wise man" or "knowing man," which reflects our species' distinctive capacity for complex thought, self-awareness, and rational decision-making. This binomial nomenclature, established by Carl Linnaeus in the 18th century, places us within the genus Homo (which includes extinct human relatives) and identifies our specific species through the descriptor "sapiens." In everyday language, we refer to ourselves s
- GeneralClass 12All
How old are humans on earth?
Anatomically modern humans (Homo sapiens) have existed for approximately 300,000 years, based on the oldest fossils discovered in Morocco. However, the broader human genus (Homo), which includes our extinct relatives like Homo erectus and Homo habilis, has been present on Earth for roughly 2 to 3 million years. This distinction matters because it separates our specific species from the larger evolutionary family of human-like beings who walked upright, used