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Everyday Science MCQs

13 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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1
Medium css

Which continent is known as the driest inhabited continent on Earth?

  • A South America
  • B Africa
  • C Australia
  • D Asia
Permalink
Correct Answer: Option C — Australia
Explanation: Australia is recognized as the driest inhabited continent, with large portions covered by arid desert landscapes receiving minimal rainfall annually. Despite this, it supports significant biodiversity, including many species uniquely adapted to dry conditions.
Submitted by: PaperMCQs
2
Medium css

What is the term for an animal that eats both plants and meat?

  • A Omnivore
  • B Carnivore
  • C Herbivore
  • D Insectivore
Permalink
Correct Answer: Option A — Omnivore
Explanation: Omnivores consume both plant and animal matter, giving them dietary flexibility to survive in varied environments. Humans, bears, and pigs are common examples of omnivorous species with diverse nutritional requirements and feeding behaviors.
Submitted by: PaperMCQs
3
Medium css

Which scientist discovered the law of gravity?

  • A Johannes Kepler
  • B Galileo Galilei
  • C Albert Einstein
  • D Isaac Newton
Permalink
Correct Answer: Option D — Isaac Newton
Explanation: Isaac Newton formulated the law of universal gravitation in the 17th century, explaining how objects with mass attract one another. His work laid the foundation for classical mechanics and remained unchallenged until Einstein's theory of relativity.
Submitted by: PaperMCQs
4
Medium css

Which element is essential for photosynthesis besides carbon dioxide and water?

  • A Sunlight
  • B Oxygen gas
  • C Nitrogen gas
  • D Argon
Permalink
Correct Answer: Option A — Sunlight
Explanation: Sunlight provides the energy required for photosynthesis, driving the chemical reaction that converts carbon dioxide and water into glucose and oxygen. Without adequate light, plants cannot efficiently produce the food they need to grow.
Submitted by: PaperMCQs
5
Medium css

Which organ regulates blood sugar levels in the body?

  • A Spleen
  • B Liver
  • C Pancreas
  • D Kidney
Permalink
Correct Answer: Option C — Pancreas
Explanation: The pancreas regulates blood sugar by releasing insulin and glucagon, hormones that respectively lower and raise glucose levels in the bloodstream. This balance is crucial for providing consistent energy to the body's cells.
Submitted by: PaperMCQs
6
Medium css

What causes tides in the ocean?

  • A Earth's rotation alone
  • B Wind patterns
  • C Ocean currents
  • D Gravitational pull of the moon
Permalink
Correct Answer: Option D — Gravitational pull of the moon
Explanation: Tides are primarily caused by the gravitational pull of the moon on Earth's oceans, creating bulges of water on the sides facing toward and away from the moon. The sun's gravity also contributes to a lesser extent.
Submitted by: PaperMCQs
7
Medium css

What is the name of the process by which plants lose water through their leaves?

  • A Transpiration
  • B Osmosis
  • C Respiration
  • D Photosynthesis
Permalink
Correct Answer: Option A — Transpiration
Explanation: Transpiration is the process by which water evaporates from plant leaves through tiny pores called stomata. It helps plants absorb nutrients from soil, regulate temperature, and maintain the flow of water throughout their structure.
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8
Medium css

What is the powerhouse of the cell called?

  • A Mitochondria
  • B Nucleus
  • C Ribosome
  • D Golgi body
Permalink
Correct Answer: Option A — Mitochondria
Explanation: Mitochondria generate ATP, the energy currency of cells, through cellular respiration, earning them the nickname 'powerhouse of the cell'. They have their own DNA and are believed to have originated from ancient bacteria.
Submitted by: PaperMCQs
9
Medium css fpsc ppsc

Which type of diet is most commonly recommended for preventing cardiovascular disease due to its emphasis on healthy fats?

  • A High fat diet
  • B Carnivore diet
  • C High sugar diet
  • D Mediterranean diet
Permalink
Correct Answer: Option D — Mediterranean diet
Explanation: The Mediterranean diet emphasising fruits vegetables whole grains legumes and healthy fats from olive oil and fish is widely recommended for reducing cardiovascular disease risk.
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10
Medium css fpsc ppsc

Which type of chemical bond involves the transfer of electrons from one atom to another?

  • A Covalent bond
  • B Ionic bond
  • C Metallic bond
  • D Hydrogen bond
Permalink
Correct Answer: Option B — Ionic bond
Explanation: An ionic bond forms when electrons are transferred from one atom to another creating oppositely charged ions that attract each other as seen in table salt sodium chloride.
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11
Medium css fpsc ppsc

Which type of chemical bond involves the sharing of electrons between atoms?

  • A Ionic bond
  • B Metallic bond
  • C Covalent bond
  • D Hydrogen bond
Permalink
Correct Answer: Option C — Covalent bond
Explanation: A covalent bond forms when atoms share electrons between them to achieve stable electron configurations commonly seen in molecules like water and carbon dioxide.
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12
Medium css fpsc ppsc

Which scale measures the hardness of minerals, with diamond being the hardest at 10?

  • A Richter scale
  • B Mohs scale
  • C Beaufort scale
  • D Kelvin scale
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Correct Answer: Option B — Mohs scale
Explanation: The Mohs hardness scale ranks minerals from 1 to 10 based on their ability to scratch each other with diamond rated at 10 as the hardest naturally occurring mineral.
Submitted by: PaperMCQs
13
Medium css fpsc

Which everyday item uses the principle of total internal reflection to transmit data as light signals?

  • A Periscope
  • B Optical fibre cable
  • C Telescope
  • D Microscope
Permalink
Correct Answer: Option B — Optical fibre cable
Explanation: Optical fibre cables use total internal reflection to transmit data as pulses of light over long distances with minimal signal loss forming the backbone of modern internet.
Submitted by: PaperMCQs
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