General Q&A for Class 12 · Page 40
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
what is bs 3 vehicles?
BS 3 refers to Bharat Stage 3, which is an emission standard set by the Indian government for regulating the output of air pollutants from internal combustion engine equipment, including vehicles. The Bharat Stage emission standards are similar to the European emission standards and are implemented in a phased manner to control the emissions of pollutants from vehicles and improve air quality. The BS 3 standard was implemented for vehicles in India. It specifies the permissible limits
- GeneralClass 12All
what is multimedia?
Multimedia refers to the integration of multiple forms of media, such as text, graphics, audio, video, and interactive elements, in a digital format. The goal of multimedia is to enhance the user's experience by providing a richer and more dynamic presentation of information. Multimedia can be found in various applications, including entertainment, education, business, and communication. Key components of multimedia include: Text: Written content, such
- GeneralClass 12All
what does the odometer of an automobile measure?
The odometer of an automobile measures the total distance that the vehicle has traveled over its lifetime. It provides a cumulative display of the number of miles or kilometers the car has been driven since it was manufactured or since the odometer was last reset. Key points about the odometer: Distance Measurement: The primary function of the odometer is to measure and display the total distance traveled by the vehicle. This distance is commonly expres
- GeneralClass 12All
what is a homologous series?
A homologous series is a group of organic compounds that share a similar chemical structure, possess the same functional group, and exhibit a regular trend in the variation of physical and chemical properties as a result of the incremental increase in the number of carbon atoms in their molecular structures. Members of a homologous series are called homologs. Key features of homologous series include: Same Functional Group: All compounds in a homologous
- GeneralClass 12All
what is coalition government?
A coalition government is a form of government where political parties with differing ideologies and interests come together to form a ruling alliance. In a coalition government, no single party has an absolute majority in the legislative body (such as a parliament or congress), and multiple parties collaborate to establish a working majority. Key features of a coalition government include: 1. No Majority: The primary characteristic of a coalition government is that no single party holds a ma
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what are canal rays?
Canal rays, also known as positive rays, are positively charged ions that are produced in a cathode-ray tube. They were discovered by Eugen Goldstein, a German physicist, in the late 19th century. Canal rays play a significant role in the early understanding of atomic and subatomic particles. Here's how canal rays are generated and some key characteristics: Cathode-Ray Tube: Canal rays are produced in a cathode-ray tube, similar to the one used by J.J.
- GeneralClass 12All
what is plasmolysis?
Plasmolysis is a process in plant cells where the protoplasm (living content of the cell, including the cytoplasm and nucleus) shrinks and pulls away from the cell wall due to the loss of water. This phenomenon occurs when a plant cell is placed in a hypertonic solution, meaning a solution with a higher solute concentration than that inside the cell. As a result, water moves out of the cell, causing the protoplasm to contract. Key points about plasmolysis: Hyper
- GeneralClass 12All
what is the role of education in human capital formation?
Education plays a crucial role in human capital formation, which refers to the process of enhancing and developing the knowledge, skills, and abilities of individuals for economic productivity and overall well-being. Here are key aspects of the role of education in human capital formation: Skill Development: Education equips individuals with the necessary skills and knowledge required for various professions and occupations. This skill development contributes t
- GeneralClass 12All
what is a factorial of hundred?
The factorial of a number is the product of all positive integers up to that number. The factorial of 100, often denoted as 100!, is calculated as: 100!=100×99×98×…×3×2×1100!=100×99×98×…×3×2×1 Calculating the factorial of 100 is a computationally intensive task, and the result is an extremely large number with 24 digits. It's often more practical to use specialized software or programming lan
- GeneralClass 12All
what a friend we have in jesus lyrics?
"What a Friend We Have in Jesus" is a hymn written by Joseph M. Scriven, with music composed by Charles Crozat Converse. The hymn is a comforting expression of the believer's relationship with Jesus as a friend and a source of solace. Here are the lyrics to the first verse and chorus of the hymn:
- GeneralClass 12All
what is shifting agriculture?
Shifting agriculture, also known as slash-and-burn agriculture or swidden farming, is a traditional method of cultivation in which a plot of land is cleared of vegetation and cultivated for a short period. After a few cycles of cultivation, the land is left fallow, allowing it to regenerate through natural processes. The farmer then moves on to a new plot of land for cultivation. Key features of shifting agriculture include: Land Clearing: Initially, th
- GeneralClass 12All
what happened in hindi?
The phrase "what happened" can be translated to Hindi as "क्या हुआ?" (pronounced kya hua?).
- GeneralClass 12All
write a good WhatsApp bio for girls?
Creating a good WhatsApp bio is a personal choice and depends on your individual style, interests, and personality. Here's a suggestion for a positive and empowering WhatsApp bio for girls: "Embracing my journey with grace and strength. 🌸 | Dreamer, believer, achiever. 💫 | Spreading kindness and positivity. ✨ | In love with life's beautiful chaos. 🌈 | [Your favorite quote or motto]. 💖" Feel free to customize it to better reflect your own personality, interests, and aspirations. Your WhatsApp
- GeneralClass 12All
what is the importance of DNA copying in reproduction?
DNA copying, also known as DNA replication, is a fundamental process in the reproduction of living organisms. DNA carries the genetic information that is passed from one generation to the next, and accurate copying of DNA ensures the transmission of genetic material with high fidelity. Here are several reasons highlighting the importance of DNA copying in reproduction: 1. Transmission of Genetic Information: DNA replication is crucial for passing genetic information from parent to offspring d
- GeneralClass 12All
what are the characteristics of the particles of matter?
The particles of matter, which make up substances in the three common states of matter—solid, liquid, and gas—exhibit certain characteristics. Here are some key characteristics of particles of matter: Mass: Particles of matter have mass. Mass is a measure of the amount of matter in an object. Even though particles are very small, they contribute to the overall mass of the substance. Volume: Particles occupy space, so they
- GeneralClass 12All
what is the role of brain in reflex action?
Reflex actions are rapid, automatic responses to a stimulus that occur without conscious thought. The brain plays a crucial role in reflex actions, and the basic reflex arc involves the following components: Stimulus: The process begins with a sensory receptor detecting a stimulus. This could be anything from a touch or a tap to a sudden change in the environment. Sensory Neuron: The sensory receptor sends signals through sensory neur
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what is black fungus disease?
Black fungus disease, officially known as mucormycosis, is a rare but serious fungal infection caused by a group of molds called mucormycetes. These molds are commonly found in the environment, particularly in soil, decaying organic matter, and plants. Mucormycosis is not a new disease, but there have been increased concerns and reports of cases during the COVID-19 pandemic. Here are some key points about mucormycosis: Risk Factors: While mucormycosis i
- GeneralClass 12All
what about you malayalam meaning?
The phrase "What about you?" can be translated to Malayalam as "നിനക്കും എനിക്കും എന്താണ്?" (pronounced ninakkuṁ ēnikkuṁ entāṇu?).
- GeneralClass 12All
what is a perfect number?
A perfect number is a positive integer that is equal to the sum of its proper divisors, excluding itself. Proper divisors are positive integers other than the number itself that divide the number evenly. The smallest perfect number is 6, and here's how it works: The divisors of 6 are 1, 2, and 3. The sum of these divisors is 1 + 2 + 3 = 6. Therefore, 6 is a perfect number. Another example is 28: The divisors of 28 are 1, 2, 4, 7,
- GeneralClass 12All
what is article 370?
Article 370 was a provision in the Indian Constitution that granted special autonomy to the region of Jammu and Kashmir. It was part of the Constitution of India and came into effect in 1949. Article 370 specified that the state of Jammu and Kashmir would have its own constitution and decision-making powers, except in matters related to defense, communications, and foreign affairs, which remained under the jurisdiction of the Indian government. Key points about Article 370: