Practise General Science Class 9 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study General Science Class 9 MCQs through multiple-choice questions in General Science. This subtopic contains 366 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these General Science Class 9 MCQs MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
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Answer: 6
Explanation Group VIA (also known as Group 16) elements have six electrons in their valence shell. Oxygen (O) is a member of this group, and its atomic number is 8. The electronic configuration of oxygen is 1s2 2s2 2p4, which shows that it has six electrons in its valence shell (two in the 2s orbital and four in the 2p orbitals).
زمین کی سطح کے قریب جی = ______؟
Answer: 10 ms^-2
Explanation Near Earth's surface, the acceleration due to gravity (g) is approximately 10 meters per second squared (10 ms^-2). This is a fundamental constant that describes the strength of gravity on our planet.
کوئلہ، گیس اور تیل سب _____ کی مثالیں ہیں؟
Answer: Fossil fuel energy
Explanation Coal, gas, and oil are all examples of fossil fuels , which are energy resources formed from the remains of ancient plants and animals over millions of years. Fossil fuels are non-renewable sources of energy. Additional Information: Tidal energy is energy generated from ocean tides Nuclear energy is energy generated from the nucleus of atoms Biomass energy is energy generated from organic matter (plants, wood, waste)
Answer: 2 watt
Explanation Power is calculated as the rate of work done or energy transferred: Power = Work / Time = 20 J / 10 s = 2 W So, the machine's power output is 2 watts.
مسلمان سائنسدان جنہوں نے بہت سی بیماریوں جیسے تپ دق، گردن توڑ بخار اور اس طرح کی دیگر سوزشوں کی نشاندہی کی وہ _____ تھا؟
Answer: Bu Ali Sina
Explanation Bu Ali Sina (Avicenna), a renowned Persian physician and polymath , identified various diseases, including tuberculosis and meningitis. In his seminal work "The Canon of Medicine".
اسکیلر مقداروں میں ______ اور مناسب اکائی ہوتی ہے۔
Answer: Magnitude
Explanation Scalar quantities are physical quantities that have only magnitude (amount or size) but no direction. Examples of scalar quantities include : Mass Temperature Time Energy Distance Last verified on 07-02-2026
جی کی عددی قدر ______ ہے؟
Answer: G = 6.673 10^-11 Nm^2 kg^-2
Explanation G is the gravitational constant , also known as the universal gravitational constant. It is a fundamental constant of nature that describes the strength of gravitational attraction between objects. The currently accepted numerical value of G is 6.673 × 10^-11 Nm^2 kg^-2.
ایک ہی نوع سے تعلق رکھنے والے جانداروں کے مقامی گروپ کو ____ کہا جاتا ہے؟
Answer: Population
Explanation A population is a localized group of organisms that belong to the same species and live in a specific geographic area. It is a unit of evolution , and its members share a common gene pool.
پودوں کے فضائی حصوں سے بخارات کی صورت میں پودوں کے اندرونی پانی کے ضائع ہونے کو ____ کہتے ہیں؟
Answer: Transpiration
Explanation Transpiration is the process by which plants lose water in the form of vapor from leaves, stems, and flowers. It helps in cooling the plant, nutrient transport, and maintaining water balance. Additional information : Evaporation : Water loss from soil or water surfaces Respiration : Energy release by breaking down sugars Photosynthesis : Production of food using sunlight, CO₂, and water Last verified on 27-01-2026
سائنسی طریقہ کار کا آخری مرحلہ ترقی کر رہا ہے؟
Answer: Conclusion
Explanation The final step of the scientific method is developing a conclusion. It involves summarizing the findings , interpreting the data, and determining whether the hypothesis was supported or rejected. The scientific method steps in order: Observation Hypothesis Prediction Research Experimentation Data Analysis Conclusion
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