Weekly Current Affairs : Quizzes, 19 to 24 June, 2023

Explanation:

• Lab-grown meat is created by taking animal cells and growing them in a controlled environment, typically using a bioreactor, to produce muscle tissue that can be harvested and processed into meat products. This method eliminates the need for traditional animal farming and slaughter. Thus, statement 1 is correct.
• Traditional livestock farming requires significant land for raising animals, vast amounts of water for their consumption and processing, and contributes to greenhouse gas emissions from animal waste and methane production. Lab-grown meat production has the potential to reduce the environmental impact of meat production by using fewer resources and emitting fewer greenhouse gasses. Thus, statement 2 is correct.
• Lab-grown meat is designed to have the same composition of proteins, fats, and essential nutrients found in meat obtained from animals. The goal is to replicate the taste, texture, and nutritional value of traditional meat products while eliminating the potential for contamination or disease associated with animal farming. Thus, statement 3 is correct.
• One of the advantages of lab-grown meat is that it can be produced in a sterile environment, reducing the need for antibiotics to treat diseases commonly found in traditional livestock. Similarly, growth hormones are not necessary as the cells used for lab-grown meat can be stimulated to grow through controlled culture conditions, eliminating the need for hormonal intervention. Thus, statement 4 is not correct.

Explanation:

• The Meiti tribe is primarily concentrated in the state of Manipur, which is located in Northeast India. They have a significant presence in Manipur and form a major part of the state's population. Thus, statement 1 is not correct.
• The Meiti tribe has a long-standing tradition of handloom weaving and is renowned for their mastery in creating Manipuri textiles. Their weaving techniques and designs are highly regarded, and Manipuri textiles are known for their intricate patterns, vibrant colors, and fine quality. Thus, statement 2 is correct.
• The Meiti tribe predominantly practices Hinduism as their primary religion. They worship various Hindu deities and incorporate Hindu rituals and customs into their religious practices. They also celebrate festivals like Lai Haraoba, which is a traditional festival dedicated to the deities of Meitei mythology, and Yaoshang, which is the Manipuri version of the Hindu festival of Holi. Thus, statement 3 is not correct.

Explanation:

• mRNA vaccines work by delivering a small piece of genetic material, called messenger RNA, into cells. The mRNA contains instructions for the cells to produce a harmless piece of the target virus, such as the spike protein of the coronavirus. Once the harmless viral protein is produced, it triggers an immune response in the body, including the production of antibodies, which helps protect against future infections. Thus, statement 1 is correct.

• Traditional vaccines often use weakened or inactivated forms of the virus they protect against. In contrast, mRNA vaccines do not contain live or weakened viruses. Instead, they provide the genetic instructions to produce a harmless viral protein. This feature of mRNA vaccines reduces the risk of causing the disease they are designed to protect against and is one of the reasons why they are considered safe. Thus, statement 2 is not correct.
• Multiple mRNA vaccines, such as the Pfizer-BioNTech and Moderna vaccines, have undergone extensive clinical trials, which have shown their high efficacy in preventing COVID-19 infection. Clinical trial data has indicated that these vaccines have achieved over 90% effectiveness in preventing symptomatic COVID-19, providing a significant level of protection against the virus. Thus, statement 3 is correct.
• Compared to traditional vaccine technologies, mRNA vaccines can be developed and produced relatively quickly. This is because the mRNA sequences, which carry the instructions for producing the viral protein, can be synthesized in the laboratory based on the genetic information of the target virus. This allows for a more rapid response to emerging infectious diseases, as the mRNA sequences can be designed and manufactured in a shorter time frame compared to traditional vaccine production methods. Thus, statement 4 is correct.

Explanation:

• Cultivation: Joha Rice is primarily cultivated in the Brahmaputra Valley region of Assam, India. The geographical location, fertile soil, and favorable climate of the region contribute to the quality of Joha Rice. Thus, statement 1 is not correct.
• Appearance and Texture: Joha Rice grains are long and slender in shape, resembling other long-grain rice varieties. When cooked, Joha Rice has a soft texture and slightly sticky consistency, making it ideal for a variety of dishes. Thus, statement 2 is correct.
• It is known for its natural resistance to pests and diseases, which makes it suitable for organic farming practices. This characteristic adds to its popularity among farmers who prefer sustainable and chemical-free cultivation methods. Thus, statement 3 is correct.
• Culinary Significance: Joha Rice holds significant cultural and culinary importance in Assamese cuisine. It is commonly used to prepare traditional dishes like Joha Pulao (rice cooked with various spices and vegetables) and Joha Bhogali Bhat (a special rice dish prepared during the harvest festival of Bhogali Bihu).
• Nutritional Value: Joha Rice is a good source of carbohydrates and provides energy. It also contains essential nutrients like vitamins, minerals, and dietary fiber, contributing to a balanced diet.

Explanation:

• The Kuki community is predominantly located in the northeastern states of India, including Manipur, Assam, Mizoram, and Tripura. They have a significant presence in these regions and form one of the major indigenous communities in the area. Thus, statement 1 is not correct.
• The Kuki Rebellion, also referred to as the Kuki Uprising, occurred between 1917 and 1919. It was an armed conflict led by Kuki chiefs against the British colonial rule in present-day Manipur and surrounding areas. The rebellion aimed to resist the British administration and protect the interests of the Kuki people. Thus, statement 2 is not correct.
• Linguistic Diversity: The Kuki tribe is linguistically diverse, with various sub-tribes having their own distinct languages. Some of the major Kuki languages include Thadou, Paite, Hmar, Zou, Gangte, and Simte. These languages belong to the Tibeto-Burman language family.
• Traditional Occupation: Historically, the Kuki people relied on agriculture as their primary occupation. They practiced shifting cultivation or jhum cultivation, where fields were cleared by slashing and burning, and crops were grown for a few years before moving to a new area.
• Festivals and Celebrations: The Kuki tribe celebrates a variety of festivals that reflect their cultural heritage. Chapchar Kut is one of the most important festivals, celebrated in February or March to mark the end of the jhum cultivation season. Other festivals include Mim Kut, Thaokut, and Kut Lai.

Explanation:

• The Mediterranean Sea lies to the north of Egypt and forms a significant part of its coastline. The Suez Canal, a man-made waterway, connects the Mediterranean Sea to the Red Sea, allowing for maritime trade and transportation between Europe and Asia. Thus, statement 1 is correct.
• The Gulf of Aqaba is indeed an extension of the Red Sea and forms part of Egypt's eastern border. It is renowned for its exceptionally clear waters, providing excellent visibility for diving and snorkeling activities. The Gulf of Aqaba is a popular destination for water sports enthusiasts and nature lovers. Thus, statement 2 is correct.
• The Mediterranean Sea plays a crucial role in Egypt's access to international trade routes. Its strategic location allows Egypt to engage in maritime commerce with various countries and regions. Additionally, the Mediterranean Sea serves as a hub for maritime activities such as shipping, fishing, and tourism, contributing significantly to Egypt's economy and cultural exchanges. Thus, statement 3 is correct.

Explanation:

• The Champions of the Earth award is an esteemed recognition presented by the United Nations Environment Programme (UNEP). Established in 2005, this award aims to honor individuals, organizations, and countries for their outstanding contributions in the field of environmental protection and conservation. Thus, option (a) is correct.
• The award recognizes excellence and innovation in various categories such as Policy Leadership, Entrepreneurial Vision, Lifetime Achievement, Inspiration and Action, Science and Innovation, and Transformational Change. It serves as a platform to showcase and promote successful environmental initiatives and practices that have made a significant positive impact on the planet.
• The Champions of the Earth award is considered the highest environmental honor given by the United Nations and is presented annually. It is open to individuals and organizations from all countries and regions across the globe, emphasizing the global nature of environmental challenges and the need for collaborative action.

Explanation:

• Lab-grown diamonds are created using processes that mimic the natural diamond formation, involving high pressure and high temperature or chemical vapor deposition. Thus, statement 1 is correct.

• Lab-grown diamonds have very similar physical and chemical properties to natural diamonds, which makes them visually indistinguishable to the naked eye. However, advanced laboratory equipment may be able to detect differences between the two. Thus, statement 2 is not correct.
• The production of lab-grown diamonds has gained popularity due to several reasons. First, it offers ethical advantages over mining natural diamonds. Lab-grown diamonds are free from the ethical concerns associated with traditional diamond mining, such as human rights violations and the trade of conflict diamonds. This makes them a more socially responsible choice for consumers.
• lab-grown diamonds have environmental advantages. Traditional diamond mining can have detrimental effects on ecosystems, including deforestation, habitat destruction, and water pollution. In contrast, lab-grown diamonds are created in a controlled environment, reducing the negative ecological impact.
• The process of creating lab-grown diamonds involves two main methods: high-pressure, high-temperature (HPHT) and chemical vapor deposition (CVD). In the HPHT method, a small diamond seed is subjected to intense heat and pressure, mimicking the natural diamond formation process. The CVD method involves depositing carbon atoms onto a diamond seed using a chemical vapor, resulting in the growth of a diamond layer.
• The market for lab-grown diamonds has witnessed significant growth in recent years. Consumers are increasingly drawn to lab-grown diamonds for their sustainability and affordability. Lab-grown diamonds are typically priced lower than natural diamonds, making them a more accessible option for those seeking high-quality, durable, and visually identical alternatives to mined diamonds.

Explanation:

• BepiColombo is a joint mission between the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) designed to explore the planet Mercury, which is the closest planet to the Sun. The spacecraft was named after Giuseppe "Bepi" Colombo, an Italian mathematician and engineer who made significant contributions to the study of Mercury.
• The BepiColombo mission consists of two main spacecraft: the Mercury Planetary Orbiter (MPO) and the Mercury Magnetospheric Orbiter (MMO). These spacecraft were designed to work together to gather comprehensive data about Mercury and its environment.
• The MPO is primarily responsible for studying the planet's surface, composition, and geological features. It carries various scientific instruments, including cameras, spectrometers, and a laser altimeter, to provide detailed information about Mercury's surface and atmosphere.
• On the other hand, the MMO focuses on investigating Mercury's magnetic field and its interaction with the solar wind. It carries instruments such as magnetometers and particle detectors to measure the planet's magnetic environment and study the interaction between Mercury's magnetic field and the charged particles from the Sun.

Explanation:

• Location: The Beki River flows through the state of Assam in northeastern India. It is primarily located in the Baksa district.
• Origin: The Beki River originates from the southern slopes of the Bhutan Himalayas, specifically from the Black Mountain range in Bhutan. Thus, option (d) is correct.
• Tributary: The Beki River is a major tributary of the Brahmaputra River, which is one of the longest rivers in Asia.
• Floods: The Beki River is known for its seasonal floods, primarily during the monsoon season. The river often experiences high water levels, causing flooding in nearby areas.
• Hydroelectric Power: The Beki River has been harnessed for hydroelectric power generation. The Manas Hydroelectric Power Project, also known as the Manas Dam, is constructed on the Beki River.
• Wildlife and Conservation: The Beki River and its surrounding areas are known for their rich biodiversity. The river supports diverse aquatic ecosystems and is home to various species of fish and other aquatic organisms.
• Manas National Park: The Beki River flows through the Manas National Park, a UNESCO World Heritage Site and a tiger reserve. The park is renowned for its conservation efforts and is home to numerous wildlife species, including the endangered Bengal tiger, Indian rhinoceros, and Indian elephant.
• Irrigation: The Beki River plays a crucial role in irrigation in the lower regions of Assam, facilitating agricultural activities and supporting the livelihoods of local communities.
• Environmental Concerns: Like many other rivers, the Beki River faces environmental challenges such as pollution and encroachment. Efforts are being made to address these issues and promote sustainable management of the river ecosystem.

Explanation:

• Group of Elements: Rare earth metals are a group of seventeen chemical elements in the periodic table. They are often divided into two categories: light rare earth elements (LREEs) and heavy rare earth elements (HREEs). Thus, statement 1 is not correct.
• Applications: Rare earth metals have diverse applications in various industries. They are used in the manufacturing of electronic devices, such as smartphones, computers, and televisions. They are also crucial for the production of renewable energy technologies like wind turbines and electric vehicle motors. Additionally, rare earth metals find applications in magnets, catalysts, lasers, and many other advanced technologies. Thus, statement 2 is not correct.
• China's Dominance: China has been the dominant player in the global production and supply of rare earth metals. The country possesses significant reserves and has historically accounted for a large share of global production. However, other countries, including Australia, the United States, and some African nations, have also been exploring and producing rare earth metals to reduce dependence on China. Thus, statement 3 is not correct.
• Environmental Concerns: The extraction and processing of rare earth metals can have environmental implications. The mining and refining processes often generate large amounts of waste and can result in soil and water pollution if not properly managed. Efforts are being made to develop more sustainable and environmentally friendly practices for rare earth metal production.
• Increasing Demand: With the growing demand for high-tech devices and clean energy technologies, the demand for rare earth metals is expected to rise in the future. This has led to increased exploration and investment in rare earth metal mining projects around the world.
• Recycling Potential: Given the importance of rare earth metals and the environmental concerns associated with their extraction, recycling initiatives have gained attention. Recycling can help recover and reuse these valuable metals from discarded electronic devices, reducing the need for primary mining and minimizing environmental impact.

Explanation:

• Definition: Section 124A defines sedition as any act or attempt to bring hatred, contempt, or disaffection towards the government established by law in India. It includes words, signs, or visible representations that can incite violence or public disorder. Thus, statement 1 is correct.
• Punishment: The punishment for the offense of sedition under Section 124A can be imprisonment for life, to which fine or both may be added. The minimum punishment prescribed is imprisonment for three years, but the court has the discretion to impose a lesser sentence.
• Colonial Origin: Section 124A was originally introduced during the British colonial rule in India in 1870. It was part of the IPC drafted by Lord Thomas Babington Macaulay. Thus, statement 2 is correct.
• Constitutional Validity: The constitutionality of Section 124A has been a subject of debate in India. It has been argued that the provision curtails the right to freedom of speech and expression guaranteed under Article 19(1)(a) of the Indian Constitution. However, the Supreme Court of India has upheld the constitutionality of Section 124A in several landmark judgments.
• Interpretation: Over the years, courts have clarified the interpretation of Section 124A. It has been established that mere criticism of the government or its policies does not amount to sedition unless it incites violence or poses a threat to public order. The courts have emphasized the importance of striking a balance between free speech and the need to maintain public order and national integrity.
• Controversies: Section 124A has been a subject of criticism and controversy due to its potential misuse and its impact on freedom of expression. It has been argued that the provision has been used to stifle dissent and silence political opponents. Calls for its amendment or repeal have been made by various individuals and organizations.