CSS · Federal Public Service Commission · 2026
Solved CSS MPT Everyday Science practice set from the 1000 Advanced Booklet, Q501–550 — 12 new MCQs with verified answers and explanations (largest oil consumer, Three Gorges Dam, transport fuel, LPG expansion, coal exporter, fossil-fuel states, cleanest renewable, costliest source, Pakistan's gas use). A practice compilation, not a past paper.
Paper Snapshot
Questions
12
Time
12
Minutes
Subjects
1
Topics
5
Read mode shows correct answers. Attempt mode hides answers, starts timer, and shows your result after submission.
About this paper
Part 11 (Q501–550) of the Sir Adnan '1000 Advanced Booklet Everyday Science' one-liner compilation (monster-data 'CSS MPT PAST PAPERS' pack). The booklet prints statement + answer only, so each item is published in the standard MCQ format with 3 authored plausible distractors under Anas's 2026-10-28 single-format decision and optionsSource recorded as 'authored'. Only 12 of 50 printed items are published: 37 items restate facts already published in earlier parts of the same booklet (Q1–100, Q301–500) and are cross-linked to those parts, not re-extracted — e.g. Thar coal (Q350/Q474/Q60), Khaur 1915 (Q41), Sui 1952 (Q43/Q459), OPEC 1960/Vienna (Q56/Q57), KANUPP 1972 (Q72), Quaid-e-Azam Solar Park (Q94/Q482), CNG/LNG expansions (Q62/Q63), LPG composition (Q308/Q456), the coal-rank set (Q81–Q84), biogas methane/anaerobic decomposition (Q361/Q362), and the corrected first-refinery fact (Q424, Attock 1922). Printed Q537 (first hydroelectric project of Pakistan at Malakand 1952) is dropped as unanswerable as printed, repeating the Q363/Q434 claim dropped in runs 42–43: Renala 1925 is the oldest station, Jabban/Malakand-I dates to 1937 with a 1952 expansion, and Dargai/Malakand-II was commissioned in December 1952, so no single standard answer is identifiable. Two NOTE flags: Q531 (Australia leads coal exports by value and metallurgical coal; Indonesia leads by total tonnage) and Q536/Q538 (cleanest-renewable and costliest-source claims are frame/study-dependent). This is a practice set, never titled as a past paper, and Q551–1000 remain for later runs.
Paper Controls
Subject 1
Topic Section
3 solved MCQs shown directly below
Correct Answer: United States (USA)
The largest consumer of oil in the world is the United States: US oil consumption runs around 19 million barrels per day, ahead of China and India.
Correct Answer: Petroleum
Petroleum is the fossil fuel mostly used in transport: petrol and diesel refined from crude oil power the overwhelming majority of road vehicles, ships and aircraft.
Correct Answer: Australia
Australia is the booklet's conventional answer for the largest coal exporter: it leads the world in coal export value and in metallurgical coal exports.
Topic Section
2 solved MCQs shown directly below
Correct Answer: Three Gorges Dam, China
The world's largest hydropower dam is the Three Gorges Dam in China: its installed capacity of 22,500 MW on the Yangtze River is the largest of any hydroelectric station.
Correct Answer: Solar energy
Solar energy is the booklet's conventional answer for the cleanest renewable energy source: a solar panel produces no emissions at all while generating electricity.
Topic Section
2 solved MCQs shown directly below
Correct Answer: Natural Gas
Natural gas is the fossil fuel used for electricity in Pakistan in the booklet's frame: gas-fired thermal plants are a major source of grid electricity alongside hydro, nuclear and coal.
Correct Answer: Power sector
The power sector is the largest user of natural gas in Pakistan: power generation takes roughly 28-37% of gas supply, ahead of households at roughly 20-23% and the fertilizer industry.
Topic Section
4 solved MCQs shown directly below
Correct Answer: Liquefied Petroleum Gas
LPG stands for Liquefied Petroleum Gas: propane and butane separated during oil refining and liquefied under pressure for storage and transport.
Correct Answer: Petroleum
Petroleum is the liquid fossil fuel: crude oil is drawn from the ground as a liquid, unlike coal (a solid) and natural gas (a gas).
Correct Answer: Natural Gas
Natural gas is the gaseous fossil fuel: it is principally methane and is produced and transported as a gas, unlike coal (solid) and petroleum (liquid).
Correct Answer: Coal
Coal is the solid fossil fuel: it is mined as a solid rock, unlike petroleum (liquid) and natural gas (gas).
Topic Section
1 solved MCQs shown directly below
Correct Answer: Nuclear energy
Nuclear energy is the booklet's conventional answer for the most expensive energy source: new nuclear plants carry the highest construction costs and, in recent levelised-cost studies, sit among the highest-cost sources per unit of electricity.
Source & verification
Built by GK360 from verified bank questions — every answer rechecked before publishing. Where the source printed no options, the answer options were prepared by GK360; the questions and correct answers are the verified originals.
Questions
No. This is a practice set built from the Sir Adnan '1000 Advanced Booklet Everyday Science' one-liner compilation. It is labelled practice in the title, slug and paperType and must not be quoted as an official past paper.
This stretch of the booklet largely restates its own earlier parts: 37 of the 50 items repeat facts already published in Q1–100 and Q301–500 of the same booklet (Thar coal, Khaur 1915, Sui 1952, OPEC 1960/Vienna, KANUPP 1972, the Quaid-e-Azam Solar Park, CNG/LNG expansions, LPG composition, the coal-rank set, biogas facts, and the corrected Attock refinery fact), so they are cross-linked to those parts rather than published twice. Printed Q537 (Malakand 1952 as the first hydroelectric project) is dropped as unanswerable as printed, repeating the claim already dropped in runs 42–43. Only the 12 genuinely new items are published here.
The source prints statement + answer only, with no (a)-(d) options. Under Anas's 2026-10-28 single-format decision, each item is published in the standard MCQ format with 3 authored plausible distractors; the questions and answers are the booklet's, and every answer was verified as the standard answer. optionsSource is recorded as 'authored' so authored options are never mistaken for the paper's.
Q501–550's new items cover the largest oil consumer (USA), the world's largest hydropower dam (Three Gorges), petroleum in transport, natural gas for electricity in Pakistan, the LPG expansion, the largest coal exporter, the liquid/gas/solid fossil fuels, the cleanest renewable and costliest energy sources, and Pakistan's largest natural-gas user (the power sector). The booklet runs to 1000 items; Q551–1000 are held for later conversion runs in the same format.
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