PPSC Past Papers & Solved MCQs

The correct answer is Suppression of local crafts and traditions. British colonialism in Punjab, like in other parts of India, often led to the decline of indigenous industries and cultural practices. The British promoted their own manufactured goods, leading to the suppression of local handicrafts, and introduced educational and administrative systems that often marginalized traditional knowledge and customs, impacting the local economy and cultural identity.

• Promotion of local handicrafts and traditions is incorrect; British policies generally favored their own industrial output.
• Encouragement of indigenous education is incorrect; the British introduced their own educational system.
• Establishment of equal trade relations is incorrect; trade relations were structured to benefit the colonial power.

The primary function of Natural Language Processing (NLP) in models like ChatGPT is to enable computers to understand, interpret, and generate human language in a way that is both meaningful and contextually relevant. ChatGPT leverages NLP to process user input, comprehend its intent, and formulate coherent, human-like responses.

• Image recognition (A) and Video processing (C) fall under computer vision, a different field of AI.
• Hardware development (D) is related to the physical components of computing systems, not the software's linguistic capabilities.

The study of the origin and history of words is called Etymology. It traces words back to their earliest known forms, identifies their linguistic ancestors, and examines how their meanings and forms have evolved over time.

• Lexicology (A) is the study of words, their nature, meaning, history, and relation to other words, but etymology is a specific branch of it.
• Semantics (B) focuses on the meaning of words and phrases.
• Phonology (D) is the study of the sound systems of languages.

The role of META AI, and AI in general, in business is multifaceted, encompassing all the listed options. AI technologies are deployed to significantly enhance various aspects of business operations and customer interactions.

• Enhancing customer experiences (A) involves AI-powered chatbots, personalized recommendations, and improved service.
• Improving business decision-making (B) utilizes AI for data analysis, predictive modeling, and strategic insights.
• Automating tasks and processes (C) streamlines operations, reduces manual effort, and increases efficiency across departments.
• Therefore, All of these (D) accurately describes the comprehensive impact of META AI in business.

ChatGPT is built on the Transformer Architecture. This groundbreaking neural network architecture, introduced in 2017, revolutionized natural language processing by utilizing self-attention mechanisms to weigh the importance of different words in an input sequence, allowing for highly parallelized processing and superior context understanding.

• RNN (Recurrent Neural Network) (A) models process sequences sequentially, which can be slow and suffer from vanishing gradient problems.
• CNN (Convolutional Neural Network) (C) are primarily designed for image processing tasks.
• Decision Trees (D) are a simpler, non-deep learning algorithm used for classification and regression, not complex language generation.

Ketanji Brown Jackson is a distinguished American jurist who made history as the first Black woman to serve as an Associate Justice of the Supreme Court of the United States. She was nominated by President Joe Biden and confirmed in 2022.

• She is not a US Senator (B) or a New York Governor (C).
• Her significant role on the nation's highest court makes option (A) the correct and most precise description.

Deep learning, a subset of machine learning, is highly versatile and can be applied to a wide array of complex tasks across various domains. Its ability to learn intricate patterns from vast amounts of data makes it suitable for diverse applications.

• Image recognition (A) uses deep learning for tasks like object detection and facial recognition.
• Natural language processing (B) employs deep learning for language translation, sentiment analysis, and text generation.
• Speech recognition (C) leverages deep learning to convert spoken language into text.
• Thus, All of these (D) is the correct answer, as deep learning has revolutionized these fields.

Elias Howe is widely credited with inventing the first practical sewing machine in 1846. His machine featured a needle with an eye at the point and a shuttle operating beneath the cloth, creating a lockstitch, which was a significant improvement over previous designs.

• Thomas Saint (A) patented a design for a sewing machine in 1790, but it was likely never built or practical.
• Isaac Singer (C) made significant improvements and commercialized the sewing machine, but did not invent the first practical one.
• George Stephenson (D) was a pioneer of railways and steam locomotives, unrelated to sewing machines.

The primary cause of the deterioration, often referred to as

Foundational Concept: The question asks for the name of the Persian New Year, which is a significant cultural celebration based on the Iranian Solar Hijri calendar.

Correct Answer:

• B: Nowruz is the correct answer. Nowruz literally means "new day" and marks the spring equinox, symbolizing renewal and rebirth. It is celebrated by various ethnic communities worldwide as the beginning of the new year.

Incorrect Options:

• A: Equinox refers to the time when the sun crosses the celestial equator, making day and night of equal length. While Nowruz occurs on the spring equinox, it is not the name of the festival itself.
• C: Mehregan is another ancient Persian festival, but it celebrates the autumn equinox, not the New Year.
• D: Yalda is a Persian festival celebrating the longest night of the year, the winter solstice, and is distinct from the New Year celebration.

Foundational Concept: This question tests knowledge of major film awards, specifically the Academy Award for Best Picture in a particular year.

Correct Answer:

• C: CODA is the correct answer. The film "CODA" won the Academy Award for Best Picture at the 94th Academy Awards ceremony in 2022, recognizing films released in 2021. It tells the story of a child of deaf adults pursuing her passion for singing.

Incorrect Options:

• A: Dune won several technical Oscars in 2022 but not Best Picture.
• B: The Power of the Dog was a strong contender and nominated for Best Picture, but ultimately did not win.
• D: King Richard was also nominated for Best Picture, with Will Smith winning Best Actor, but it did not secure the top award.

Foundational Concept: This question assesses general knowledge regarding global demographic trends and population estimates.

Correct Answer:

• B: 8 Billion is the most accurate estimate for the world population as of 2025. The global population officially surpassed 8 billion in late 2022, and projections indicate it will remain around this figure, with slight increases, by 2025.

Incorrect Options:

• A: 7 Billion was the approximate world population around 2011-2012, making it significantly outdated for 2025.
• C: 8.8 Billion is a higher estimate that might be projected for a later date, such as 2030 or beyond, but not for 2025.
• D: 10.2 Billion is a much higher figure, typically projected for the mid-21st century (e.g., 2050) or later, not for 2025.

Foundational Concept: This question tests knowledge of significant cultural and historical landmarks recognized internationally by UNESCO.

Correct Answer:

• B: Rohtas Fort is the correct answer. Rohtas Fort, located in Punjab, Pakistan, is a 16th-century fortress built by Sher Shah Suri and was designated a UNESCO World Heritage Site in 1997 due to its exceptional example of Muslim military architecture.

Incorrect Options:

• A: Minar-e-Pakistan is a national monument in Lahore but is not a UNESCO World Heritage Site.
• C: Lahore Museum is a prominent museum but does not hold UNESCO World Heritage status.
• D: Faisal Mosque in Islamabad is a modern architectural marvel and a significant landmark, but it is not listed as a UNESCO World Heritage Site.

Foundational Concept: This question assesses knowledge of prominent literary figures from Pakistan and their international recognition.

Correct Answer:

• A: Faiz Ahmed Faiz is the correct answer. Faiz Ahmed Faiz was a renowned Pakistani poet and revolutionary who was nominated for the Nobel Prize in Literature in 1962. He is celebrated for his progressive Urdu poetry and his advocacy for social justice.

Incorrect Options:

• B: Habib Jalib was a prominent revolutionary poet but was not nominated for the Nobel Prize.
• C: Allama Iqbal is Pakistan's national poet and a towering figure in Urdu literature, but he was not nominated for the Nobel Prize in Literature.
• D: Parveen Shakir was a celebrated female poet known for her romantic and feminist themes, but she did not receive a Nobel Prize nomination.

Foundational Concept: This question relates to the China-Pakistan Economic Corridor (CPEC) and its impact on regional development, specifically identifying key economic zones.

Correct Answer:

• B: Faisalabad is the correct answer. Faisalabad, known as the "Manchester of Pakistan" for its textile industry, is a major beneficiary of CPEC investment, particularly through the establishment of the Allama Iqbal Industrial City, a Special Economic Zone (SEZ) under CPEC.

Incorrect Options:

• A: Lahore is a major city and capital of Punjab, but while it benefits from CPEC infrastructure projects, Faisalabad is specifically highlighted for its CPEC-driven economic zone.
• C: Rawalpindi is a significant city near the capital Islamabad, but it is not the primary location for a major CPEC economic zone in Punjab.
• D: Multan is an important city in southern Punjab, but it does not host a CPEC-designated economic zone to the same extent as Faisalabad.

Foundational Concept: This question tests knowledge of fundamental rights enshrined in the Constitution of Pakistan, specifically concerning legal protections.

Correct Answer:

• B: Article 10-A is the correct answer. Article 10-A, titled "Right to fair trial," was inserted into the Constitution through the 18th Amendment in 2010. It explicitly guarantees the right to a fair trial and due process in civil and criminal proceedings.

Incorrect Options:

• A: Article 10 deals with safeguards as to arrest and detention, which are related but distinct from the broader right to a fair trial.
• C: Article 19 guarantees freedom of speech, expression, and the press, which is a different fundamental right.
• D: Article 25 ensures equality of citizens, a crucial right but not specifically about fair trial and due process.