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Everyday Science MCQs

91 Questions Subject Test
Subject Preparation Guide

Prepare Everyday Science with confidence

Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.

Human BodyEnergyEnvironmentScientific Inventions
Important for general science portions of CSS, PMS, FPSC and provincial tests.
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61
Easy fpsc ppsc nts

Which essential mineral is critical for maintaining strong bones and teeth in the human body?

  • A Iron
  • B Calcium
  • C Potassium
  • D Zinc
Permalink
Correct Answer: Option B — Calcium
Explanation: Calcium is an essential mineral critical for maintaining strong bones and teeth as well as supporting muscle function nerve transmission and proper blood clotting in the body.
Submitted by: PaperMCQs
62
Easy fpsc ppsc nts

Which common preventive health practice helps reduce the transmission of airborne respiratory infections?

  • A Wearing masks
  • B Eating more fruit
  • C Drinking more water
  • D Sleeping longer
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Correct Answer: Option A — Wearing masks
Explanation: Wearing masks helps reduce the transmission of airborne respiratory infections by blocking respiratory droplets that carry viruses or bacteria from spreading between individuals.
Submitted by: PaperMCQs
63
Easy fpsc ppsc nts

Which medical condition is characterized by persistently high blood pressure that can increase the risk of heart disease?

  • A Hypertension
  • B Diabetes
  • C Asthma
  • D Anemia
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Correct Answer: Option A — Hypertension
Explanation: Hypertension is a medical condition characterized by persistently elevated blood pressure which over time increases the risk of heart disease stroke and kidney damage if untreated.
Submitted by: PaperMCQs
64
Easy fpsc ppsc nts

Which respiratory condition involves inflammation and narrowing of the airways causing difficulty in breathing?

  • A Diabetes
  • B Asthma
  • C Arthritis
  • D Hypertension
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Correct Answer: Option B — Asthma
Explanation: Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways causing wheezing shortness of breath and difficulty breathing especially during triggers.
Submitted by: PaperMCQs
65
Easy fpsc ppsc nts

Which common disease is caused by a deficiency of insulin or the body's inability to use insulin effectively?

  • A Hypertension
  • B Diabetes
  • C Asthma
  • D Arthritis
Permalink
Correct Answer: Option B — Diabetes
Explanation: Diabetes is a chronic disease caused by insufficient insulin production or the body's inability to use insulin effectively leading to elevated blood glucose levels over time.
Submitted by: PaperMCQs
66
Easy fpsc ppsc nts

Which cell organelle is often referred to as the powerhouse of the cell due to its role in energy production?

  • A Nucleus
  • B Mitochondria
  • C Ribosome
  • D Golgi apparatus
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Correct Answer: Option B — Mitochondria
Explanation: Mitochondria are referred to as the powerhouse of the cell because they generate ATP through cellular respiration providing the energy required for various cellular functions.
Submitted by: PaperMCQs
67
Easy fpsc ppsc nts

Which part of a plant cell is primarily responsible for photosynthesis?

  • A Mitochondria
  • B Nucleus
  • C Chloroplast
  • D Vacuole
Permalink
Correct Answer: Option C — Chloroplast
Explanation: Chloroplasts contain chlorophyll pigment and are primarily responsible for capturing light energy to drive photosynthesis converting carbon dioxide and water into glucose and oxygen.
Submitted by: PaperMCQs
68
Easy fpsc ppsc nts

Which scientist is credited with developing the theory of evolution by natural selection?

  • A Gregor Mendel
  • B Charles Darwin
  • C Louis Pasteur
  • D Robert Hooke
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Correct Answer: Option B — Charles Darwin
Explanation: Charles Darwin developed the theory of evolution by natural selection explaining how species change over generations through differential survival and reproduction based on inherited traits.
Submitted by: PaperMCQs
69
Easy fpsc ppsc nts

Which common antibiotic was first discovered from a mold by Alexander Fleming?

  • A Tetracycline
  • B Penicillin
  • C Amoxicillin
  • D Streptomycin
Permalink
Correct Answer: Option B — Penicillin
Explanation: Penicillin was first discovered by Alexander Fleming from the mold Penicillium notatum marking a major breakthrough in medicine that revolutionized the treatment of bacterial infections.
Submitted by: PaperMCQs
70
Easy fpsc ppsc nts

Which common household chemical reaction produces a foaming effect often used in classroom volcano experiments?

  • A Baking soda and vinegar reaction
  • B Salt dissolving in water
  • C Sugar caramelizing
  • D Ice melting
Permalink
Correct Answer: Option A — Baking soda and vinegar reaction
Explanation: The baking soda and vinegar reaction produces carbon dioxide gas creating a foaming eruption effect commonly used in classroom volcano demonstrations to illustrate acid base chemistry.
Submitted by: PaperMCQs
71
Easy fpsc ppsc nts

Which macronutrient is essential for building and repairing body tissues such as muscles?

  • A Carbohydrates
  • B Fats
  • C Proteins
  • D Fiber
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Correct Answer: Option C — Proteins
Explanation: Proteins are essential macronutrients required for building and repairing body tissues including muscles skin and organs as they provide the amino acids needed for cellular growth.
Submitted by: PaperMCQs
72
Easy fpsc ppsc nts

Which macronutrient is the body's primary and most efficient source of quick energy?

  • A Proteins
  • B Fats
  • C Carbohydrates
  • D Vitamins
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Correct Answer: Option C — Carbohydrates
Explanation: Carbohydrates serve as the body's primary and most efficient source of quick energy as they are readily broken down into glucose which cells use for immediate fuel.
Submitted by: PaperMCQs
73
Easy fpsc ppsc nts

Which common food item is a good source of dietary fiber important for digestive health?

  • A White bread
  • B Whole grains
  • C Refined sugar
  • D Processed cheese
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Correct Answer: Option B — Whole grains
Explanation: Whole grains are an excellent source of dietary fiber which supports healthy digestion regulates blood sugar levels and helps maintain overall gastrointestinal health.
Submitted by: PaperMCQs
74
Easy fpsc ppsc nts

Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?

  • A Solar energy
  • B Wind energy
  • C Hydropower
  • D Geothermal energy
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Correct Answer: Option C — Hydropower
Explanation: Hydropower generates electricity by harnessing the kinetic energy of flowing water typically through dams or river turbines making it one of the oldest renewable energy sources used worldwide.
Submitted by: PaperMCQs
75
Easy fpsc ppsc nts

Which renewable energy source uses moving air currents to generate electricity through turbines?

  • A Solar energy
  • B Wind energy
  • C Hydropower
  • D Biomass energy
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Correct Answer: Option B — Wind energy
Explanation: Wind energy uses moving air currents to rotate large turbine blades which drive generators to produce electricity offering a clean and increasingly cost effective renewable power source.
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76
Easy fpsc ppsc nts

Which renewable energy source harnesses sunlight directly to generate electricity?

  • A Wind energy
  • B Solar energy
  • C Hydropower
  • D Geothermal energy
Permalink
Correct Answer: Option B — Solar energy
Explanation: Solar energy harnesses sunlight directly using photovoltaic cells to generate electricity providing a clean and renewable alternative to fossil fuel based power generation.
Submitted by: PaperMCQs
77
Easy fpsc ppsc nts

Which everyday chemical reaction is responsible for rusting of iron objects?

  • A Oxidation
  • B Reduction
  • C Neutralization
  • D Sublimation
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Correct Answer: Option A — Oxidation
Explanation: Rusting is an oxidation reaction where iron reacts with oxygen and moisture in the air forming iron oxide which weakens and corrodes metal structures over time.
Submitted by: PaperMCQs
78
Easy fpsc ppsc nts

Which natural disaster is measured using the Richter scale?

  • A Hurricanes
  • B Earthquakes
  • C Floods
  • D Tornadoes
Permalink
Correct Answer: Option B — Earthquakes
Explanation: The Richter scale is used to measure the magnitude of earthquakes based on the amplitude of seismic waves recorded by seismographs at monitoring stations.
Submitted by: PaperMCQs
79
Easy ppsc nts

Which gas makes up approximately 21 percent of Earth's atmosphere and is essential for respiration?

  • A Nitrogen
  • B Oxygen
  • C Carbon dioxide
  • D Argon
Permalink
Correct Answer: Option B — Oxygen
Explanation: Oxygen makes up approximately 21 percent of Earth's atmosphere and is essential for aerobic respiration in humans and animals allowing cells to generate energy from food.
Submitted by: PaperMCQs
80
Easy fpsc ppsc nts

Which common kitchen substance is used as a natural antacid due to its alkaline properties?

  • A Vinegar
  • B Baking soda
  • C Lemon juice
  • D Salt
Permalink
Correct Answer: Option B — Baking soda
Explanation: Baking soda sodium bicarbonate is commonly used as a natural antacid because its alkaline properties help neutralize excess stomach acid relieving symptoms of indigestion and heartburn.
Submitted by: PaperMCQs
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