The ongoing decrease in the pH of the Earth's oceans, known as ocean acidification, is caused by the uptake of what from the atmosphere?

GENERAL KNOWLEDGE MCQs ▼

• World Famous Places
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CURRENT AFFAIRS MCQs ▼

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PAKISTAN STUDY MCQs ▼

• Arrival of Islam in the Subcontinent MCQs
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• Aligarh Movement (Sir Syed Ahmed Khan) MCQs
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• Hindu Revivalist Movements (Arya Samaj, etc.) MCQs
• Partition of Bengal 1905 & Annulment 1911 MCQs
• Formation of Indian National Congress 1885 MCQs
• Formation of All India Muslim League 1906 MCQs
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• Lucknow Pact 1916 MCQs
• Khilafat Movement (1919–1924) MCQs
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• Nehru Report 1928 MCQs
• Quaid-e-Azam’s 14 Points 1929 MCQs
• Allahabad Address 1930 (Allama Iqbal) MCQs
• Round Table Conferences 1930–32 MCQs
• Government of India Act 1935 MCQs
• Lahore Resolution 1940 (Pakistan Resolution) MCQs
• Cripps Mission 1942 MCQs
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• Elections of 1945–46 MCQs
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• Indian Independence Act 1947 MCQs
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• Kashmir Issue 1947–48 (First Kashmir War) MCQs
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• Liaquat Ali Khan Assassination 1951 MCQs
• First Constitution of Pakistan 1956 MCQs
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• Martial Law of 1958 (Ayub Khan) ▼
  • Martial Law of 1958 MCQs
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• Yahya Khan Era (1969–1971) ▼
  • General Elections 1970 MCQs
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• Zulfikar Ali Bhutto Era (1971–1977) ▼
  • Simla Agreement 1972 MCQs
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• Zia-ul-Haq Era (1977–1988) ▼
  • Martial Law 1977 MCQs
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• Democratic Period (1988–1999) ▼
  • Benazir Bhutto First Woman PM 1988 MCQs
  • Elections of 1990, 1993, 1997 MCQs
  • Pakistan Joins Nuclear Club 1998 (Chagai-I) MCQs
  • Kargil War 1999 MCQs
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• Musharraf Era (1999–2008) ▼
  • 9/11 & Pakistan in War on Terror 2001 MCQs
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• Democracy Restored (2008–2018) ▼
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  • Panama Papers Case & Nawaz Sharif Disqualification 2017 MCQs
• Recent Developments (2018–Present) ▼
  • 2018 Elections (PTI Government) MCQs
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  • COVID-19 Pandemic in Pakistan 2020 MCQs
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ENGLISH MCQs ▼

• Parts of Speech
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• Reading Comprehension
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• Sentence Improvement
• Appropriate Words Usage
• Confused Words
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EVERYDAY SCIENCE MCQs ▼

• Human Body & Health
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• Plants & Photosynthesis
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• Scientific Instruments & Units
• Famous Scientists & Discoveries
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• Food, Vitamins & Nutrition
• Agriculture & Fertilizers
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• Miscellaneous Scientific Facts

PEDAGOGY MCQs ▼

• 500 Most Repeated MCQs
• Foundations of Education
• Teaching & Learning Process
• Learning Theories & Psychologists
• Educational Psychology
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• Educational Technology
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Geography ▼

• Earth & Its Structure
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• Natural Resources & Industries
• Transportation & Communication
• World Physical Geography
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• Geography of Pakistan
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• Current & Applied Geography

اردو MCQs ▼

• Repeated Urdu MCQsاردو قواعد
• اسم، فعل، صفت، ضمیر
• واحد و جمع / مذکر و مؤنث
• جملے کی درستی
• مترادف و متضاد الفاظ
• محاورے اور کہاوتیں
• غلط العام و درست املا
• مشہور شعرا و شاعری
• مشہور نثر نگار و نثر
• اردو ادب کی تاریخ
• غزل، نظم، قصیدہ، مرثیہ
• ادبی اصطلاحات و صنعتیں
• اردو تنقید و تحقیق
• اہم کتابیں و مصنفین
• اقبال کا فلسفہ و کلام
• جدید اردو ادب
• اردو صحافت و بانیان
• ترجمہ و جملہ درستی
• الفاظ کے معنی و لغت
• اردو زبان کا آغاز و ارتقاء

ISLAMIC STUDY MCQs ▼

• Pre-Islamic Period ▼
  • Jahiliyyah (Age of Ignorance) MCQs
• Life of Prophet Muhammad ﷺ (Makkah Period)▼
  • Birth and Early Life of Prophet ﷺ MCQs
  • Revelation in Cave Hira (610 A.D) MCQs
  • Early Preaching & Persecution MCQs
  • Migration to Abyssinia (615 A.D) MCQs
  • Social Boycott (616–619 A.D) MCQs
  • Year of Sorrow (619 A.D) MCQs
  • Isra & Mi’raj (Night Journey) MCQs
  • Pledges of Aqabah (621–622 A.D) MCQs
• Life of Prophet Muhammad ﷺ (Madinah Period)▼
  • Hijrat to Madinah (622 A.D) MCQs
  • Charter of Madinah (622 A.D) MCQs
  • Brotherhood (Muakhat) in Madinah MCQs
  • Change of Qibla (624 A.D) MCQs
  • Battle of Badr (624 A.D) MCQs
  • Battle of Uhud (625 A.D) MCQs
  • Battle of Khandaq (627 A.D) MCQs
  • Treaty of Hudaybiyyah (628 A.D) MCQs
  • Battle of Khaybar (628 A.D) MCQs
  • Conquest of Makkah (630 A.D) MCQs
  • Battle of Tabuk (631 A.D) MCQs
  • Farewell Hajj & Last Sermon MCQs
• Khulafa-e-Rashideen (632–661 A.D)▼
  • Hazrat Abu Bakr Siddique (R.A) MCQs
  • Hazrat Umar Farooq (R.A) MCQs
  • Hazrat Usman Ghani (R.A) MCQs
  • Hazrat Ali (R.A) MCQs
• Umayyad & Abbasid Period▼
  • Umayyad Caliphate (661–750 A.D) MCQs
  • Abbasid Caliphate (750–1258 A.D) MCQs
• Later Islamic Empires▼
  • Muslim Spain (Andalus) MCQs
  • Ottoman Empire (1299–1924 A.D) MCQs
  • Mughal Empire in Subcontinent (1526–1857 A.D) MCQs
• Islamic Teachings & Sources▼
  • Qur’an MCQs
  • Hadith MCQs
  • Fiqh & Islamic Jurisprudence (Four Schools of Thought) MCQs
  • Pillars of Islam MCQs
  • Articles of Faith (Iman) MCQs
  • Islamic Culture & Civilization MCQs
• Modern Islamic Movements▼
  • Shah Waliullah Movement MCQs
  • Aligarh Movement (Sir Syed Ahmad Khan) MCQs
  • Deoband & Nadwa MCQs
  • Khilafat Movement MCQs
  • Pakistan Movement (Islamic perspective) MCQs

Public Service Commissions Exams ▼

• PPSC – Punjab Public Service Commission
• FPSC – Federal Public Service Commission
• SPSC – Sindh Public Service Commission
• KPPSC – Khyber Pakhtunkhwa Public Service Commission
• BPSC – Balochistan Public Service Commission
• AJKPSC – AJK Public Service Commission
• GBPSC – Gilgit-Baltistan Public Service Commission

Admission and Scholarship Exams ▼

• HEC LAT – Law Admission Test
• HEC GAT – Graduate Assessment Test
• HEC USAT – Undergraduate Studies Admission Test
• NUMS MDCAT – Army Medical Test
• UHS MDCAT – Punjab Medical Test
• ETEA MDCAT/ECAT – KPK Test
• FAST-NU Admission Test
• GIKI Engineering Test
• PIEAS Engineering/Science Test
• Scholarship Exams – PEEF, HEC

FORCES RECRUITMENT MCQs ▼

• ISSB – Inter Services Selection Board
• Army, Navy, Air Force Initial Tests
• ASF – Airport Security Force
• Police Recruitment – via NTS/PTS

BANKING/FINANCE JOBS MCQs ▼

• SBP OG-1 / OG-2 – State Bank
• NBP, ZTBL, MCB – Bank Jobs
• SECP, FBR, NAB – Finance Jobs

TESTING SERVICES MCQs ▼

• NTS – National Testing Service
• OTS – Open Testing Service
• PTS – Pakistan Testing Service
• CTS – Candidate Testing Service
• UTS – Universal Testing Services
• STS – SIBA Testing Service
• ETEA – KPK Evaluation Agency

MANAGEMENT SCIENCES MCQs ▼

• Business Administration
• Finance
• Marketing
• Human Resource
• Accounting
• Auditing

ENGINEERING SUBJECTS MCQs ▼

• Civil Engineering
• Electrical Engineering
• Mechanical Engineering
• Chemical Engineering
• Computer Engineering
• Software Engineering

Social Sciences Subjects ▼

• Sociology
• Psychology
• Political Science
• International Relations
• History
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Popular Past Papers ▼

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