General Q&A for Class 12 · Page 45
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What is electrode potential?
Electrode potential, also known as redox potential or electrode voltage, is a measure of the tendency of a chemical species to gain or lose electrons when it is involved in a redox (reduction-oxidation) reaction. In simpler terms, it represents the ability of a substance to be oxidized or reduced at an electrode. The electrode potential is typically measured in volts (V) and is defined with respect to a reference electrode. The standard hydrogen electrode (SHE) is often used as the re
- GeneralClass 12All
What was the doctrine of lapse?
The Doctrine of Lapse was a policy implemented by Lord Dalhousie, the Governor-General of India from 1848 to 1856, during the period of British rule in India. The doctrine was introduced with the aim of consolidating British control over Indian states and ensuring a more direct form of governance. It primarily affected princely states that were under the suzerainty of the British East India Company. The Doctrine of Lapse had the following principles: Lapse of Ru
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What is autotrophic nutrition?
Autotrophic nutrition is a mode of nutrition in which organisms produce their own organic substances, such as carbohydrates, from inorganic raw materials. These organisms are referred to as autotrophs, and they can synthesize their own food using sunlight or inorganic compounds as a source of energy. Autotrophic nutrition is a characteristic feature of plants, algae, and some bacteria. There are two main types of autotrophic nutrition: Photosynthesis:
- GeneralClass 12All
What are weeds how can we control them?
Weeds are plants that grow in locations where they are not desired. They often compete with cultivated plants for nutrients, water, sunlight, and space, and can adversely affect crop yields and the health of gardens or landscapes. Weeds can be invasive and may spread rapidly if not properly controlled. Effective weed control is crucial for maintaining the productivity of agricultural fields, gardens, and natural ecosystems. Here are some methods for controlling weeds: <
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What is resource conservation?
Resource conservation refers to the sustainable management and responsible use of natural resources to ensure their availability for current and future generations. It involves the efficient utilization of resources while minimizing waste, environmental degradation, and negative impacts on ecosystems. The goal of resource conservation is to strike a balance between meeting human needs and preserving the health and integrity of the environment. Key principles and aspects of resource conservati
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What makes the city of Firozabad famous?
Firozabad, a city in the Indian state of Uttar Pradesh, is renowned for its glass and bangle industry. Here are some key aspects that make the city of Firozabad famous: Glass Industry: Firozabad is widely recognized for its glass manufacturing industry, particularly the production of glass bangles, glassware, and other glass products. The city has a long history of glassmaking, and its glass products are known for their quality and craftsmanship. <str
- GeneralClass 12All
what is dearness allowance in salary?
Dearness Allowance (DA) is an additional amount paid to employees as a component of their salary or wages by their employer, typically a government or a private organization. The purpose of DA is to help employees cope with the rising cost of living, particularly due to inflation, by providing them with an allowance that adjusts periodically to account for increases in the general price level of goods and services. Key points about Dearness Allowance (DA) in salary include:
- GeneralClass 12All
what is value education?
Value education refers to the process of imparting moral values, ethical principles, and positive attitudes to individuals. It is an integral part of education that goes beyond academic knowledge and focuses on shaping the character and behavior of individuals. The goal of value education is to instill in individuals a sense of responsibility, empathy, integrity, and respect for others. Key components of value education include: Moral and Ethical Values:</strong
- GeneralClass 12All
What is nikah halala?
Nikah Halala is a controversial and debated practice in Islamic marital law (Sharia) that involves a woman marrying another man, consummating the marriage, and then getting a divorce in order to make it permissible for her to remarry her first husband. This practice is associated with the triple talaq (instant divorce) and aims to address the restriction on a woman remarrying her ex-husband after a triple talaq has been pronounced. The process involves the following steps:
- GeneralClass 12All
What is the debit note?
A debit note is a document or a note issued by a seller to inform the buyer of a debit entry in their account. It indicates that the buyer's account has been debited, meaning that there is an increase in the amount the buyer owes to the seller. Debit notes are commonly used in business transactions, particularly in the context of sales and accounts receivable. Here are some key points about debit notes: Reasons for Issuing Debit Notes:
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What kind of ecosystem is known as sustainable?
A sustainable ecosystem is one that can maintain its balance and function over the long term without causing significant harm to the environment or depleting its resources. Sustainable ecosystems are characterized by the ability to support biodiversity, maintain ecological processes, and provide ecosystem services that benefit both the environment and human populations. Here are key features of sustainable ecosystems: Biodiversity: Sustainable ecosystems have a
- GeneralClass 12All
What is credit note?
A credit note is a document issued by a seller or a service provider to a buyer, indicating that the buyer is entitled to a credit or refund. It is essentially a form of acknowledgment that the seller owes the buyer a certain amount, which can be applied towards future purchases or returned to the buyer as a refund. Key points about credit notes include: Reasons for Issuance: Credit notes are typically issued in response to various situations, such as:<
- GeneralClass 12All
What are domestic animals?
Domestic animals are animals that have been selectively bred and kept by humans for various purposes, such as companionship, work, agriculture, transportation, sport, or food. These animals have undergone a process of domestication, during which they have adapted to living in proximity to humans and have become dependent on humans for their care and well-being. Domestication has led to changes in their behavior, genetics, and physiology to better suit their roles in human society. Com
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What is the capital of Haryana?
The capital of Haryana, a state in northern India, is Chandigarh. Chandigarh is a union territory and serves as the capital for both Haryana and Punjab. It is one of the well-planned cities in India and serves as the administrative and political center for the two states. The city was designed by the renowned architect Le Corbusier and is known for its modern urban planning and architecture.
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What is roughage?
Roughage, also known as dietary fiber or bulk, refers to the indigestible portion of plant-based foods that remains largely unchanged through the digestive process. It includes components such as cellulose, hemicellulose, pectin, and lignin, which are structural parts of plant cell walls. While the human digestive system cannot break down and absorb these components, they play a crucial role in maintaining digestive health and have several benefits. Key points about roughage include: 1. Indig
- GeneralClass 12All
What is oscillatory motion?
Oscillatory motion refers to repetitive back-and-forth movement around a central or equilibrium position. In oscillatory motion, an object or a system of objects undergoes a periodic variation in its position, and the motion repeats itself at regular intervals. This type of motion is characterized by the presence of a restoring force that acts to bring the object back to its equilibrium position when displaced. Key characteristics of oscillatory motion include:
- GeneralClass 12All
What is the earth's only natural satellite?
The Earth's only natural satellite is the Moon. The Moon is a relatively large celestial body that orbits Earth at an average distance of about 384,400 kilometers (238,855 miles). It has been Earth's companion for billions of years and plays a significant role in various natural phenomena, such as tides. The Moon is the fifth-largest natural satellite in the solar system and is much smaller than Earth. It has a gravitational influence on Earth, which causes the rise and fall of ocean
- GeneralClass 12All
What would happen if the plasma membrane ruptures or breakdown?
The plasma membrane, also known as the cell membrane, is a crucial component of all living cells. It separates the cell's internal environment from the external surroundings and regulates the passage of substances in and out of the cell. If the plasma membrane ruptures or breaks down, several critical consequences can occur: Loss of Cell Integrity: The plasma membrane provides structural support and maintains the integrity of the cell. If it ruptures, the cell
- GeneralClass 12All
What is translocation?
In biology, translocation refers to the movement of materials or substances from one location to another within an organism. This term is used in various contexts across different biological disciplines. Chromosomal Translocation (Genetics): In genetics, chromosomal translocation refers to the rearrangement of genetic material between non-homologous chromosomes. This can lead to the exchange of chromosomal segments between two chromosomes. Translocations can be
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What is globalisation class 10?
Globalization, often studied at the class 10 level in various educational systems, is a complex and multifaceted concept that refers to the interconnectedness and interdependence of countries and people across the globe. It involves the exchange of goods, services, information, ideas, and culture on a global scale. Here are key points that are often covered when studying globalization at the class 10 level: Definition: Globalization is defined as the process of