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Everyday Science MCQs

74 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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Subject Test

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41
Easy fpsc ppsc nts

Which organ produces insulin to regulate blood sugar levels in the body?

  • A Liver
  • B Pancreas
  • C Kidney
  • D Spleen
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Correct Answer: Option B — Pancreas
Explanation: The pancreas produces insulin a hormone that regulates blood sugar levels by allowing cells to absorb glucose from the bloodstream for energy or storage.
Submitted by: PaperMCQs
42
Easy fpsc ppsc nts

Which acid in the stomach helps in the digestion of food and kills harmful bacteria?

  • A Sulfuric acid
  • B Hydrochloric acid
  • C Acetic acid
  • D Citric acid
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Correct Answer: Option B — Hydrochloric acid
Explanation: Hydrochloric acid secreted by stomach glands helps digest food by activating pepsin and also kills many harmful bacteria that may be present in ingested food.
Submitted by: PaperMCQs
43
Easy fpsc ppsc nts

Which gland produces saliva to aid in the initial digestion of food in the mouth?

  • A Pituitary gland
  • B Salivary gland
  • C Thyroid gland
  • D Adrenal gland
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Correct Answer: Option B — Salivary gland
Explanation: Salivary glands produce saliva containing enzymes like amylase that begin breaking down starches in food while also moistening it to ease swallowing and digestion.
Submitted by: PaperMCQs
44
Easy fpsc ppsc nts

Which type of teeth are primarily used for grinding and chewing food at the back of the mouth?

  • A Incisors
  • B Canines
  • C Molars
  • D Premolars
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Correct Answer: Option C — Molars
Explanation: Molars located at the back of the mouth are primarily used for grinding and chewing food into smaller pieces before swallowing aiding in efficient digestion.
Submitted by: PaperMCQs
45
Easy fpsc ppsc nts

Which type of teeth are primarily used for tearing food in humans?

  • A Incisors
  • B Canines
  • C Molars
  • D Premolars
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Correct Answer: Option B — Canines
Explanation: Canines are pointed teeth primarily used for tearing food while incisors cut and molars grind providing humans with a complete set of teeth for varied chewing functions.
Submitted by: PaperMCQs
46
Easy fpsc ppsc nts

Which everyday safety practice helps protect skin from harmful ultraviolet radiation during sun exposure?

  • A Wearing dark clothing only
  • B Applying sunscreen
  • C Drinking more water
  • D Avoiding all outdoor activity
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Correct Answer: Option B — Applying sunscreen
Explanation: Applying sunscreen helps protect skin from harmful ultraviolet radiation by absorbing or reflecting UV rays reducing the risk of sunburn and long term skin damage from sun exposure.
Submitted by: PaperMCQs
47
Easy fpsc ppsc nts

Which household practice helps prevent the growth of mold in damp areas like bathrooms?

  • A Increasing humidity
  • B Proper ventilation
  • C Closing all windows
  • D Reducing sunlight exposure
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Correct Answer: Option B — Proper ventilation
Explanation: Proper ventilation reduces moisture buildup in damp areas like bathrooms preventing the conditions mold spores need to grow and spread across surfaces.
Submitted by: PaperMCQs
48
Easy fpsc ppsc nts

Which essential mineral is critical for oxygen transport in the blood as a key component of hemoglobin?

  • A Calcium
  • B Iron
  • C Zinc
  • D Magnesium
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Correct Answer: Option B — Iron
Explanation: Iron is a critical component of hemoglobin the protein in red blood cells responsible for transporting oxygen throughout the body and its deficiency commonly causes anemia.
Submitted by: PaperMCQs
49
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
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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
50
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
Permalink
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
51
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
52
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
53
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
54
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
55
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
56
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
57
Easy fpsc ppsc nts

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

  • A Tetracycline
  • B Penicillin
  • C Amoxicillin
  • D Streptomycin
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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
58
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
59
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
60
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
Permalink
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
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