FBISE · Class 9

Class 9 Chemistry MCQs: Nature Of Science In Chemistry

Practice chapter-wise MCQs with answers and explanations. Use the quiz mode for timed online tests.

Start online testOpen practice dashboard

Quick revision

Class 9 Chemistry MCQs Nature Of Science In Chemistry are one of the fastest ways to improve your board exam performance — especially when you practice with purpose, revise weak concepts, and learn from explanations.

On Prepzy, you can practice 66 MCQs from “Nature Of Science In Chemistry” in Chemistry for FBISE. Each question is designed to mirror the style, wording, and concept-testing approach used in Pakistani board papers.

Use this chapter page to revise definitions, formulas, and key ideas, then attempt the MCQs in small sets. Track patterns in your mistakes: is it a concept gap, a calculation error, or a misread statement? Fixing the pattern is what raises your score.

If you’re preparing for matric / SSC Part exams, focus on understanding the concept first, then speed. MCQs reward clarity — not memorization. A clear concept turns into fast correct answers.

What to focus on

  • Primary focus: Nature Of Science In Chemistry concepts tested in Class 9 Chemistry
  • Practice with instant answer-checking to reduce repeated mistakes
  • Revise common definitions, units, and standard results before timed practice
  • Aim for accuracy first, then build speed with short quizzes

Study tips

  • Read the question stem first, then scan options for distractors (near-correct choices).
  • If the chapter is formula-heavy, write a mini-formula sheet and revise it before every attempt.
  • After each practice set, re-attempt only the wrong MCQs to convert weak areas into strengths.
  • Mix easy + medium MCQs for momentum, then finish with hard questions for exam readiness.

MCQs (sample)

Showing 25 questions from this chapter. For a full timed test, use “Start online test”.

  1. 1. What type of chemistry is involved in synthesizing new medicines to treat diseases?

    • Organic Chemistry
    • Inorganic Chemistry
    • Analytical Chemistry
    • Physical Chemistry
    Answer & explanation

    Correct: Organic Chemistry

    Organic chemistry focuses on the synthesis of new medicines that target specific proteins or enzymes.

  2. 2. Which branch of chemistry deals with substances containing carbon?

    • Organic Chemistry
    • Inorganic Chemistry
    • Physical Chemistry
    • Environmental Chemistry
    Answer & explanation

    Correct: Organic Chemistry

    Organic Chemistry is the branch that focuses on substances containing carbon.

  3. 3. What is investigated when studying rusting of iron?

    • Chemical reactions between iron, water, and oxygen
    • Physical properties of iron
    • Thermal expansion of metals
    • Electrical conductivity of iron
    Answer & explanation

    Correct: Chemical reactions between iron, water, and oxygen

    The investigation focuses on the chemical reactions that occur between iron, water, and oxygen that cause rust.

  4. 4. What is the primary focus of science as defined in the content?

    • Understanding the natural world
    • Creating new technologies
    • Designing systems and structures
    • Maximizing productivity
    Answer & explanation

    Correct: Understanding the natural world

    Science seeks to understand the natural world, including the behavior and properties of materials and chemical reactions.

  5. 5. What is the structure of an atom, and how does it influence chemical behavior?

    • Essential question in Physical Chemistry
    • Essential question in Organic Chemistry
    • Essential question in Analytical Chemistry
    • Essential question in Biochemistry
    Answer & explanation

    Correct: Essential question in Physical Chemistry

    This is specifically related to Physical Chemistry, which studies the behavior of matter and its interactions.

  6. 6. What is the definition of chemistry?

    • The science that investigates the materials of the universe and their changes
    • The study of living organisms and their interactions
    • The examination of physical forces and their effects
    • The analysis of historical events and their impacts
    Answer & explanation

    Correct: The science that investigates the materials of the universe and their changes

    Chemistry is defined as the science that investigates the materials of the universe and the changes they undergo.

  7. 7. Which rechargeable batteries are commonly used in electronics and appliances?

    • Lithium-ion (Li-ion) batteries
    • Lead-acid batteries
    • Nickel-cadmium batteries
    • Alkaline batteries
    Answer & explanation

    Correct: Lithium-ion (Li-ion) batteries

    Lithium-ion (Li-ion) batteries are specifically mentioned as used for rechargeable electronics and appliances.

  8. 8. What does Inorganic Chemistry study?

    • Elements and their compounds except organic compounds
    • Carbon-containing compounds
    • Chemical processes in living organisms
    • Chemical reactions in stars
    Answer & explanation

    Correct: Elements and their compounds except organic compounds

    Inorganic Chemistry deals with elements and their compounds except for organic compounds.

  9. 9. What role do technologists play in harnessing solar energy?

    • Studying photovoltaic cells
    • Developing solar panels
    • Designing solar power plants
    • Conducting electricity-related experiments
    Answer & explanation

    Correct: Developing solar panels

    Technologists develop solar panels based on the principles discovered by scientists about photovoltaic cells.

  10. 10. Which of the following best describes technology?

    • The process of organizing knowledge about the universe
    • The application of scientific knowledge to practical applications
    • The study of chemical reactions
    • The systematic exploration of matter
    Answer & explanation

    Correct: The application of scientific knowledge to practical applications

    Technology is the application of scientific knowledge to create tools, machines, and systems that enhance our lives.

  11. 11. What are the major functional groups in organic molecules, and how do they affect chemical properties?

    • Essential question in Organic Chemistry
    • Essential question in Inorganic Chemistry
    • Essential question in Polymer Chemistry
    • Essential question in Environmental Chemistry
    Answer & explanation

    Correct: Essential question in Organic Chemistry

    This question pertains directly to Organic Chemistry, focusing on the composition of organic compounds.

  12. 12. Which aspect does chemistry NOT deal with?

    • Composition of matter
    • Structure of matter
    • Historical events
    • Properties of matter
    Answer & explanation

    Correct: Historical events

    Chemistry deals with the composition, structure, properties, and changes of matter, not historical events.

  13. 13. What application of analytical chemistry is used to examine physical traces like body fluids and drugs?

    • Forensic chemistry
    • Environmental chemistry
    • Organic synthesis
    • Electrochemistry
    Answer & explanation

    Correct: Forensic chemistry

    Forensic chemistry is the application of analytical chemistry focused on physical traces such as body fluids and drugs.

  14. 14. Which branch of chemistry focuses on the structure and changes of matter?

    • Analytical Chemistry
    • Physical Chemistry
    • Industrial Chemistry
    • Nuclear Chemistry
    Answer & explanation

    Correct: Physical Chemistry

    Physical Chemistry is dedicated to understanding the structure and changes of matter.

  15. 15. Which type of engineer helps design the infrastructure for a solar power plant?

    • Electrical engineer
    • Mechanical engineer
    • Civil engineer
    • Chemical engineer
    Answer & explanation

    Correct: Civil engineer

    Civil engineers are involved in designing the infrastructure of solar power plants.

  16. 16. How does technology impact the field of chemistry?

    • By limiting research opportunities
    • By providing tools and methods for discovery
    • By creating barriers to new materials
    • By focusing only on theoretical concepts
    Answer & explanation

    Correct: By providing tools and methods for discovery

    Technology provides tools, machines, techniques, and methods that aid in the discovery and development of new materials in chemistry.

  17. 17. What distinguishes inorganic compounds from organic compounds?

    • Essential question in Inorganic Chemistry
    • Essential question in Physical Chemistry
    • Essential question in Biochemistry
    • Essential question in Geochemistry
    Answer & explanation

    Correct: Essential question in Inorganic Chemistry

    This question is fundamental to the field of Inorganic Chemistry, which studies inorganic compounds.

  18. 18. What does green chemistry aim to reduce?

    • The production of energy
    • The use of renewable resources
    • The use of hazardous substances
    • The development of new technologies
    Answer & explanation

    Correct: The use of hazardous substances

    Green chemistry is focused on reducing the use of hazardous substances in chemical products and processes.

  19. 19. Which principle is the physical chemistry of vehicle batteries based on?

    • Electrochemistry
    • Organic synthesis
    • Thermodynamics
    • Kinetics
    Answer & explanation

    Correct: Electrochemistry

    The batteries in vehicles are built on the principle of electrochemistry, which is a part of physical chemistry.

  20. 20. What is the main focus of Analytical Chemistry?

    • Chemical processes in living organisms
    • Methods and instruments for composition determination
    • Study of polymers
    • Environmental pollutants
    Answer & explanation

    Correct: Methods and instruments for composition determination

    Analytical Chemistry deals with methods and instruments for determining the composition and properties of matter.

  21. 21. What do chemical engineers do in designing a water filtration system?

    • Design physical components
    • Develop processes to remove contaminants
    • Create clean water regulations
    • Conduct public health surveys
    Answer & explanation

    Correct: Develop processes to remove contaminants

    Chemical engineers help develop processes to remove contaminants from water to improve filtration systems.

  22. 22. What do chemical engineers primarily focus on?

    • Discovering new species
    • Designing manufacturing processes
    • Conducting psychological research
    • Understanding astronomical phenomena
    Answer & explanation

    Correct: Designing manufacturing processes

    Chemical engineers design and develop manufacturing processes for a variety of products, aiming to maximize productivity and quality.

  23. 23. How does the Periodic Table help to organize elements?

    • Essential question in Analytical Chemistry
    • Essential question in Inorganic Chemistry
    • Essential question in Nuclear Chemistry
    • Essential question in Medicinal Chemistry
    Answer & explanation

    Correct: Essential question in Inorganic Chemistry

    This question relates to Inorganic Chemistry, as it deals with the organization and classification of elements.

  24. 24. What do fundamental concepts of chemistry help to explain?

    • Natural phenomena
    • Political structures
    • Cultural trends
    • Psychological behaviors
    Answer & explanation

    Correct: Natural phenomena

    Understanding fundamental concepts of chemistry helps to explain natural phenomena.

  25. 25. What methods are used in environmental chemistry to protect poisoned water?

    • Sedimentation, filtration, and disinfection
    • Evaporation and condensation
    • Oxidation and reduction
    • Digestion and fermentation
    Answer & explanation

    Correct: Sedimentation, filtration, and disinfection

    Environmental chemistry uses methods such as sedimentation, filtration, and disinfection to protect poisoned water.

FAQs

Are these Class 9 Chemistry MCQs Nature Of Science In Chemistry aligned with FBISE?

Yes. The MCQs are organized chapter-wise for FBISE and designed to match board exam patterns. If your teacher has added custom MCQs, they will also appear here.

How many MCQs should I practice from “Nature Of Science In Chemistry” each day?

A good daily target is 20–40 MCQs with full review of mistakes. If you’re short on time, do 15 MCQs but read explanations carefully.

What’s the best way to revise this chapter before an exam?

Revise the chapter summary, list your weak sub-topics, then practice MCQs in timed sets. Re-attempt wrong questions after a short break to lock in learning.

Can I take an online test for this chapter?

Yes. Start a chapter quiz to simulate an online test. Use it to improve speed and accuracy under time pressure.

Related chapters