All MCQs - PMS 5 Years Past Paper PDF Practice | PakExamPoint

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All MCQs and revision practice

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231. A neutron is converted into a proton with the emission of which particles?

ایک نیوٹرون کس ذرے کے اخراج کے ساتھ پروٹون میں تبدیل ہوتا ہے؟

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Answer: Antineutrino

Explanation During beta-minus (β⁻) decay, a neutron transforms into a proton. This process emits an electron (β⁻ particle) from the nucleus. Along with the electron, an antineutrino is also emitted to conserve energy and momentum. This conversion increases the atomic number of the element by one. Beta decay is common in unstable isotopes trying to achieve nuclear stability.

232. A device which encodes characters by the depression of keys is known as _____?

ایک آلہ جو حروف کو چابیاں کے دباؤ سے انکوڈ کرتا ہے اسے _____ کہا جاتا ہے؟

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Answer: Keyboard

Explanation A device that encodes characters by pressing keys is known as a keyboard ADDITIONAL INFORMATION RELATED TO KEYBOARD It is an input device. It is used to enter text and commands. Each key represents a character or function. Christopher Latham Sholes was an American inventor who invented the QWERTY keyboard .

233. What is H5N1?

کیا ہے؟ H5N1

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Answer: Virus

Explanation H5N1 is a type of influenza virus C auses a highly infectious Also known as avian influenza . Occurs mainly in birds , is highly contagious among birds, and can be deadly, especially in domestic poultry

234. Secretary General of United Nations is from?

اقوام متحدہ کے سیکریٹری جنرل کا تعلق کس ملک سے ہے؟

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Answer: Portugal

Explanation The Secretary-General of the United Nations is António Guterres from Portugal. He served 9th Secretary-General of the United Nations He began his first term on January 1, 2017 He is currently serving h is second term. Born: 30 April 1949

235. United Nations General Assembly (UNGA) declare 2021-2030 decade for?

اقوامِ متحدہ کی جنرل اسمبلی نے 2021–2030 کی دہائی کس مقصد کے لیے قرار دی؟

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Answer: Ecosystem Restoration

Explanation The United Nations General Assembly (UNGA) declared 2021–2030 as the Decade on Ecosystem Restoration . The aim is to prevent, halt, and reverse ecosystem degradation worldwide. It supports climate action, biodiversity protection, and sustainable development. Additional Points : The initiative is led by UNEP and FAO . Ecosystem restoration helps achieve the UN Sustainable Development Goals (SDGs), especially SDG 13, 14, and 15 . Last Updated on 13-01-2026

236. Latani River is located in which country?

لتانی دریا کس ملک میں واقع ہے؟

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Answer: Lebanon

Explanation The Litani River is located entirely within Lebanon It is known in medieva l times as Līṭa The river rises in the fertile Beqaa Valley, west of Baalbek, It empties into the Mediterranean Sea north of Tyre. Length 174 km (108 mi)

237. Doctrine of necessity was used in the case for the first time in the history of Pakistan?

ڈاکٹرین آف نیسسیٹی پاکستان کی تاریخ میں پہلی بار کس کیس میں استعمال ہوئی؟

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Answer: Maulvi Tamiz-ud-Din Vs State case

Explanation The Doctrine of Necessity was first used in Maulvi Tamiz-ud-Din vs State (1955). It was applied to validate the action of dissolving the Constituent Assembly of Pakistan.

238. Anthophobia is the fear of what?

انتھوفوبیا کس چیز کا خوف ہے؟

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Answer: None of the above

Explanation Anthophobia is the fear of flora . People who have anthophobia have an extreme fear of flowers. “ Anthos ” is the Greek word for flowers , while phobia means fear while Aerophobia is an extreme fear of flying . Febriphobia is the fear of fever . Laliophobia is a fear of speaking Nyctophobia is the fear of Darkness . ND 24-9-2023

239. 1 yard is equal to _____?

ایک یارڈ کے برابر کتنے میٹر ہیں؟

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Answer: 9.144m

Explanation 1 yard = 0.9144 meters It is a unit of length used in the imperial system. Commonly used in sports, construction, and measuring fabrics . Additional Details / Facts 1 yard = 3 feet = 36 inches Widely used in USA, UK , and some Commonwealth countries Used for short distances and measurements in daily life

240. The largest producer of solar energy in the world is?

دنیا میں شمسی توانائی کا سب سے بڑا پیدا کنندہ کون سا ملک ہے؟

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Answer: China

Explanation China is identified as the world's leading producer of solar energy LONGi Green Energy Technology is a major Chinese manufacturer of photovoltaics and a developer of solar projects. It is the world's largest manufacturer of monocrystalline silicon wafers The company was founded on 14 February 2000 by Li Zhenguo as Xi'an LONGi Silicon Materials Corporation. Headquarters: Xi'an, Shaanxi, China

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