CSS · Federal Public Service Commission · 2026
Solved CSS MPT Everyday Science practice set from the 1000 Advanced Booklet, Q1–50 — 48 MCQs with verified answers and explanations (bacteria, immunity, fossils, coal, oil and gas, renewable energy). A practice compilation, not a past paper.
Paper Snapshot
Questions
48
Time
48
Minutes
Subjects
1
Topics
3
Read mode shows correct answers. Attempt mode hides answers, starts timer, and shows your result after submission.
About this paper
Part 1 (Q1–50) 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'. Of the 50 printed items, 48 are published: printed Q10 (tuberculosis and leprosy, whose booklet answer is 'None of these' with no options printed, so it is unanswerable as printed) and printed Q42 (Dhulian as the 'first oil field after independence' in 1949 — Dhulian was discovered in 1935/1937, before independence, and the 1949 date is the petroleum-rules year; no single standard answer for the first post-independence field is identifiable) are dropped, never inferred. Printed Q8 is corrected to the standard answer (agricultural expansion, not urbanization, as the primary driver of deforestation) with the correction flagged. This is a practice set, never titled as a past paper, and Q51–1000 remain for later runs.
Paper Controls
Subject 1
Topic Section
19 solved MCQs shown directly below
Correct Answer: Flagella
Flagella are whip-like appendages that bacteria use for movement (locomotion).
Correct Answer: Carbon dioxide (CO₂)
Carbon dioxide smothers a fire by displacing oxygen around the flames, so it is commonly used in fire extinguishers.
Correct Answer: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek first observed bacteria (which he called animalcules) under his microscope in the 1670s.
Correct Answer: Thermodynamics
A refrigerator uses a vapour-compression cycle to move heat from inside the cabinet to the outside, following the laws of thermodynamics.
Correct Answer: Revolution
Rotation is the Earth's spin on its axis (day and night); revolution is its orbit around the Sun (the year).
Correct Answer: Karl Marx
Scientific socialism is the theory associated with Karl Marx (developed with Friedrich Engels).
Correct Answer: Flora
Flora means the plant life of a region; fauna is the corresponding term for animal life.
Correct Answer: Agricultural expansion
Agricultural expansion — clearing forest for cropland and pasture — is the leading driver of deforestation worldwide; urbanization is only a minor driver.
Correct Answer: Water-borne diseases
Typhoid and cholera spread through contaminated water and food, so they are classified as water-borne diseases.
Correct Answer: Fecal–oral (contaminated food/water)
Hepatitis A spreads by the fecal–oral route, typically through food or water contaminated with the virus.
Correct Answer: Virus (Rhabdovirus)
Rabies is caused by the rabies virus, a Lyssavirus of the family Rhabdoviridae, transmitted through the bite of an infected animal.
Correct Answer: Oxygen
Photosynthesis needs carbon dioxide, water, sunlight and chlorophyll; oxygen is a product of the process, not an input.
Correct Answer: Production of antibodies by the body itself
In active immunity the person's own immune system produces antibodies, after natural infection or after vaccination; injected ready-made antibodies give passive immunity.
Correct Answer: Gills
Aquatic arthropods such as crabs and prawns take dissolved oxygen from water through gills.
Correct Answer: Light
Phototropism is the growth or movement of a plant in response to light (usually bending towards it).
Correct Answer: Infected needles and syringes
Sharing infected needles and syringes is one established route of HIV transmission; HIV does not spread by handshakes, mosquito bites or sharing food.
Correct Answer: Nervous coordination
Nervous coordination works through electrochemical signals carried by neurons; hormonal coordination works chemically through the blood.
Correct Answer: Receptor
A receptor is the specialised cell or structure that detects a stimulus; the response is then carried out by an effector.
Correct Answer: Hormones
Hormones are chemical messengers secreted by glands into the blood, which carries them to target cells elsewhere in the body.
Topic Section
4 solved MCQs shown directly below
Correct Answer: Paleontology
Paleontology is the study of fossils and of ancient life; archaeology studies human artefacts.
Correct Answer: Fossils
Fossils are the preserved remains or traces (such as impressions and footprints) of ancient organisms.
Correct Answer: Sedimentary rocks
Fossils are found mostly in sedimentary rocks, which form in layers that can bury and preserve organisms; heat and pressure usually destroy fossils in metamorphic rock.
Correct Answer: Precambrian rocks
The oldest known fossils, of microscopic early life, come from Precambrian rocks, older than the Cambrian period.
Topic Section
25 solved MCQs shown directly below
Correct Answer: Carbon dioxide (CO₂)
Burning coal, oil and natural gas releases carbon dioxide as the main combustion gas.
Correct Answer: Coal
Coal is the most abundant fossil fuel by reserves, ahead of oil and natural gas.
Correct Answer: Crude oil / Black gold
Petroleum in its unrefined form is crude oil, and its economic value earned it the nickname black gold.
Correct Answer: Methane (CH₄)
Natural gas consists mainly of methane (CH₄), with smaller amounts of ethane and other hydrocarbons.
Correct Answer: USA
The United States holds the world's largest proven coal reserves.
Correct Answer: USA
The United States has been the world's largest oil producer since 2018, ahead of Saudi Arabia and Russia.
Correct Answer: Russia
Russia holds the world's largest proven natural gas reserves, ahead of Iran and Qatar.
Correct Answer: Alternative energy
Renewable sources such as solar, wind and hydropower are also called alternative energy, as an alternative to fossil fuels.
Correct Answer: Wind energy
Wind energy captures the kinetic energy of moving air with wind turbines.
Correct Answer: Hydropower
Hydropower generates electricity from flowing or falling water driving turbines.
Correct Answer: Tarbela Dam
Tarbela Dam on the Indus is Pakistan's largest hydropower dam by installed capacity.
Correct Answer: Sun
Solar energy is radiant energy from the Sun, captured by solar panels or collectors.
Correct Answer: Heat inside the Earth
Geothermal energy uses heat from inside the Earth, from hot rocks and underground steam.
Correct Answer: Plant and animal waste
Biomass energy comes from organic matter such as plant material and animal waste, burned or converted to fuel.
Correct Answer: Natural gas
Natural gas burns more cleanly than coal or oil, producing less carbon dioxide and almost no ash or sulfur dioxide.
Correct Answer: Coal
Per unit of energy produced, coal emits more carbon dioxide than oil or natural gas.
Correct Answer: Khaur (1915)
The first commercial oil discovery in Pakistan was the Khaur-1 well, drilled by the Attock Oil Company in 1915.
Correct Answer: Sui Gas Field (1952)
The Sui gas field in Balochistan was discovered in 1952 and became Pakistan's first major gas field.
Correct Answer: Sui, Balochistan
The Sui gas field in Balochistan has historically been Pakistan's largest natural gas field and producer.
Correct Answer: Fossil fuels
Fossil fuels are non-renewable because they take millions of years to form and are used up faster than they are replaced.
Correct Answer: About 80%
Fossil fuels still supply roughly 80% of world energy, despite the growth of renewables.
Correct Answer: Petroleum
Petroleum formed mainly from the remains of tiny marine organisms buried under sediment and heated over millions of years.
Correct Answer: Coal
Coal formed from ancient plant material accumulated in swampy forests, buried and compressed over millions of years.
Correct Answer: Coal gasification
Coal gasification converts coal into a gas mixture (syngas) by reacting it with oxygen and steam at high temperature.
Correct Answer: Refining / Fractional distillation
Crude oil is refined by fractional distillation, separating it into fractions such as petrol, kerosene and diesel by boiling point.
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.
Printed Q10 is dropped because its booklet answer is 'None of these' while no options are printed, so it cannot be answered as printed. Printed Q42 is dropped because Dhulian (1935/1937) predates independence, so it cannot be the first post-independence oil field, and the sources do not agree on a single standard answer for that question.
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 (except the flagged Q8 correction), and every answer was verified as the standard answer. optionsSource is recorded as 'authored' so authored options are never mistaken for the paper's.
Q1–50 cover biology and health (bacteria, immunity, fossils) and energy and fossil fuels (coal, oil and gas in Pakistan, renewables). The booklet runs to 1000 items; Q51–1000 are held for later conversion runs in the same format.
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