GK: Class 12 General Q&A · Page 39
3,658 free answers on GK (General) for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
Largest Lake in India
Wular Lake in Jammu and Kashmir is India's largest freshwater lake, covering an area that varies between approximately 130-260 square kilometers depending on seasonal water levels. Located in the Bandipora district, Wular Lake is fed primarily by the Jhelum River and several smaller streams flowing from surrounding mountains, serving as an important natural flood absorption basin that reduces downstream flooding during heavy rains or snowmelt. The lake is relatively shallow, with depths typic
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Marie Curie
Marie Curie was a pioneering physicist and chemist who made groundbreaking contributions to science, becoming the first woman to win a Nobel Prize, the only woman to win in two different scientific fields, and the only person to win Nobel Prizes in two different sciences—Physics (1903, shared with her husband Pierre Curie and Henri Becquerel) and Chemistry (1911, awarded solely to her). Born Maria Skłodowska in Warsaw, Poland in 1867, she overcame significant barriers as a woman in scie
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1 Million is Equal to
One million is equal to 10 lakhs in the Indian numbering system, 1,000 thousands, or 1,000,000 (one followed by six zeros) in the international system. This conversion is fundamental for understanding global statistics, international business figures, and financial data that often expresses quantities in millions rather than lakhs. The mathematical relationship clearly shows: 1 million = 1,000,000 = 10,00,000 (Indian notation) = 10 lakhs = 0.1 crore. Understanding million-to-lakh conv
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CC in Train
CC in train reservations stands for "Chair Car," a type of air-conditioned seating coach in Indian Railways that provides comfortable seating without sleeping berths, similar to airline-style seating arrangements. Chair Car coaches are typically found in daytime trains or shorter-distance trains like Shatabdi Express, Jan Shatabdi, and some Intercity Express services, designed for journeys where passengers sit throughout rather than sleep. The seats are cushioned, adjustable, and arranged in
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Babur
Babur, born Zahir-ud-din Muhammad in 1483 in Fergana (present-day Uzbekistan), was the founder of the Mughal Empire in India, establishing a dynasty that would rule much of the Indian subcontinent for over three centuries. A descendant of Timur (Tamerlane) on his father's side and Genghis Khan on his mother's side, Babur inherited the throne of Fergana at age 11 but faced constant challenges, losing and regaining territories multiple times in Central Asia. After repeated setbacks in reclaimin
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Crore
A crore is a unit in the Indian numbering system equal to ten million (10,000,000) or one hundred lakhs, used extensively in India, Pakistan, Bangladesh, Nepal, and Sri Lanka for expressing large numbers, particularly in financial contexts, population statistics, and large-scale measurements. Written as 1,00,00,000 in Indian numerical notation (with commas placed differently than the international system), a crore represents seven zeros after the one in the local format. Understanding
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PLT Normal Range
PLT stands for platelet count, a standard component of a Complete Blood Count (CBC) test measuring the number of platelets (thrombocytes) in your blood. The normal platelet count range is typically 150,000 to 450,000 platelets per microliter (μL) of blood, though reference ranges may vary slightly between laboratories (some use 150,000-400,000). Platelets are small, colorless cell fragments crucial for blood clotting—when bleeding occurs, platelets clump together at the injury site,
- GeneralClass 12All
How Many Cubes of Edge 4 cm
This question typically asks how many cubes of a given edge length can fit into a larger cube or rectangular box. Without the complete question specifying the dimensions of the larger container, I'll explain the general approach to solving such problems. To find how many smaller cubes fit into a larger container, you divide the volume of the container by the volume of one small cube, or alternatively, divide each dimension of the container by the edge length of the small cube and multiply the
- GeneralClass 12All
Why Are Gold and Platinum Suitable for Making Jewellery
Gold and platinum are highly suitable for jewelry making due to their unique combination of physical and chemical properties that make them ideal for adornment and long-term wear. Both metals are highly resistant to corrosion and tarnishing—they don't react with oxygen, moisture, or most chemicals under normal conditions, meaning jewelry maintains its luster and appearance over time without degrading, a property called "nobility" in chemistry. Gold is particularly valued because it's ch
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AD Full Form
AD stands for "Anno Domini," a Latin phrase meaning "in the year of our Lord," used in the Christian calendar system to label years after the traditionally calculated birth of Jesus Christ. The AD dating system, along with BC (Before Christ) for years before this event, has become the most widely used calendar system globally, though alternative notations like CE (Common Era) and BCE (Before Common Era) are increasingly used in academic and interfaith contexts to provide secular equivalents w
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12th Spelling
The correct spelling is "twelfth" for the ordinal number corresponding to 12. This spelling follows the pattern for ordinal numbers in English, where "twelve" becomes "twelfth" by adding "-th" (with the 've' being replaced by 'f'). Understanding the correct spelling is important for writing dates, describing positions or rankings, and proper formal communication. Common spelling errors with "twelfth" include writing "twelth" (omitting the 'f') or "twelveth" (not replacing 've' with 'f
- GeneralClass 12All
Baking Soda Formula
The chemical formula for baking soda is NaHCO₃, where Na represents sodium, H represents hydrogen, C represents carbon, and O₃ represents three oxygen atoms. The systematic chemical name is sodium bicarbonate or sodium hydrogen carbonate, though "baking soda" is the common household name. This white crystalline powder is a mild base (alkaline substance) that dissolves readily in water and has numerous applications in cooking, cleaning, personal care, and medicine due to its chemical propertie
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Nephew Meaning in Hindi Nephew in Hindi is translated as "भांजा" (bhanja) for a sister's son or "भतीजा" (bhatija) for a brother's son, reflecting Hindi's more specific kinship terminology compared to English which uses a single word for both relationships. This distinction is important in Hindi-speaking cultures where family relationships are precisely defined with different terms for maternal and paternal relations, and for relationships through blood versus marriage.
Understanding Hindi kinship terms reveals cultural values emphasizing extended family connections and clear relationship definitions. For your sister's son, you use "bhanja" and you are his "mama" (maternal uncle) if you're male or "mausi" (maternal aunt) if you're female. For your brother's son, you use "bhatija" and you are his "chacha" (paternal uncle, father's younger brother), "tau" (paternal uncle, father's elder brother), or "bua" (paternal aunt). This specificity extends throughout Hi
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ATP Full Form
ATP stands for Adenosine Triphosphate, the primary energy currency molecule in all living cells, often called the "energy molecule of life." ATP consists of an adenosine molecule (composed of adenine base and ribose sugar) bonded to three phosphate groups. The chemical bonds between these phosphate groups, particularly the terminal phosphate bond, store considerable energy. When cells need energy for biological processes, ATP is hydrolyzed (broken down by adding water), releasing one phosphat
- GeneralClass 12All
Integer
In mathematics, an integer is any whole number that can be positive, negative, or zero, but not a fraction or decimal. The set of integers is represented by the symbol ℤ (from the German word "Zahlen" meaning numbers) and includes: ..., -3, -2, -1, 0, 1, 2, 3, ... extending infinitely in both positive and negative directions. Integers are fundamental to number theory and form the building blocks for more complex number systems including rational numbers (fractions), real numbers (including de
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VIT AP
VIT-AP (Vellore Institute of Technology - Andhra Pradesh) is a private university located in Amaravati, Andhra Pradesh, established in 2017 as part of the VIT University system, which also includes campuses in Vellore and Chennai (Tamil Nadu) and Bhopal (Madhya Pradesh). VIT-AP offers undergraduate, postgraduate, and doctoral programs in engineering, sciences, management, law, and design, following the same educational philosophy and standards as the established VIT Vellore campus. The univer
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Fundamental Rights and Duties
Fundamental Rights and Fundamental Duties are essential components of the Indian Constitution that define the relationship between citizens and the state. Fundamental Rights, enshrined in Part III (Articles 12-35) of the Constitution, are basic human rights guaranteed to all Indian citizens (and some to all persons within India) that protect individual liberty, equality, and dignity from arbitrary state action and, in some cases, from private parties. These include: Right to Equality (Article
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UNESCO Full Form
UNESCO stands for United Nations Educational, Scientific and Cultural Organization, a specialized agency of the United Nations founded in 1945 with headquarters in Paris, France, comprising 194 member states and 12 associate members. UNESCO's mission is to contribute to peace and security by promoting international collaboration through education, sciences, culture, communication, and information, working on the principle that lasting peace must be established upon intellectual and moral soli
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Where Does Kiwi Fruit Come From
Kiwi fruit, despite its strong association with New Zealand, actually originated in China where it grew wild in the Yangtze River valley and was called "yang tao" (Chinese gooseberry). The fruit was brought to New Zealand in the early 20th century (around 1904) by a schoolteacher who obtained seeds during a visit to China. New Zealand growers recognized the fruit's commercial potential and began cultivating it seriously from the 1940s onwards, developing improved varieties and establishing co
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Assam Capital
Dispur is the capital of Assam, a state in northeastern India, though this often causes confusion because Dispur is actually located within the city of Guwahati, which is Assam's largest city and commercial hub. Dispur became the capital in 1973, replacing Shillong (now the capital of Meghalaya) after Meghalaya was carved out as a separate state from Assam. Dispur houses the Assam Legislative Assembly, the state secretariat, and other key government offices, functioning as the administrative