Practise General Science Class 7 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study General Science Class 7 MCQs through multiple-choice questions in General Science. This subtopic contains 255 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 7 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.
Continue your revision with related topics: Biology Class 10th MCQs MCQs, Biology Class 9th MCQs MCQs, Chemistry Class 10th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 4 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs.
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دوربین کا کام مندرجہ ذیل میں سے کس کے اصول پر ہوتا ہے؟
Answer: Total Internal Reflection of Light
Explanation Binoculars use a combination of lenses and prisms to magnify and redirect light, relying on total internal reflection to ensure minimal light loss and a bright, clear image.
برقی رو کی پیمائش ____ سے ہوتی ہے؟
Answer: Both A and C
Explanation Electric current can be measured by both an ammeter and a multimeter. An ammeter is a specialized device that measures only electric current. At the same time, a multimeter is a versatile tool that combines multiple functions, Including the ability to measure current like an ammeter, as well as voltage, resistance, and other electrical properties.
کھانے کے بڑے ذرات کے چھوٹے ذرات میں ٹوٹنے کو ____ کہتے ہیں؟
Answer: Digestion
Explanation Digestion is the process of breaking down large food particles into smaller particles. Such as molecules and ions, that can be absorbed and utilized by the body.
مندرجہ ذیل میں سے کون سا گرمی کا اچھا موصل ہے؟
Answer: Copper
Explanation Copper is an excellent conductor of heat . It having a high thermal conductivity (386 W/mK). This means it can efficiently transfer heat energy with minimal resistance. Metals (e.g., iron, copper, silver, mercury, aluminum ) are good conductors of heat. Last verified on 19-03-2026
آواز کی وہ خصوصیت جس کے ذریعے ہم شرل اور قبر کی آواز میں فرق کر سکتے ہیں _____ ہے؟
Answer: Pitch
Explanation Pitch is the characteristic of sound that lets us distinguish between a shrill (high-pitched) sound and a grave (low-pitched) sound. It depends on the frequency of the sound wave — higher frequency means higher pitch.
کسی مرکب کے سالمے کی علامتی نمائندگی کو کیا کہتے ہیں؟
Answer: Formula
Explanation The symbolic representation of a molecule of a compound is called a formula . It uses symbols and numbers to represent the composition of the molecule. For example, the formula for water is H₂O , indicating two hydrogen atoms and one oxygen atom. Last verified on 15-03-2026
رینبو _____ کی بہترین مثال ہے؟
Answer: Spectrum of white light
Explanation A rainbow is a beautiful natural phenomenon that demonstrates the spectrum of white light. When sunlight passes through water droplets in the air, it is refracted and separated into its individual colors, creating the colorful arc of a rainbow. This is a perfect example of the spectrum of white light.
سورج ایک _____ ہے؟
Answer: Star
Explanation The Sun is a star. There are lots of stars, but the Sun is the closest one to Earth. It is the center of our solar system. The Sun is a hot ball of glowing gases. The sun is composed of layers made up almost entirely of hydrogen and helium. Last verified on 13-03-2026
ایک ہی عنصر کے ایٹم جن کا ایٹم نمبر ایک ہے لیکن ماس نمبر مختلف ہیں انہیں کیا کہتے ہیں؟
Answer: Isotopes
Explanation Isotopes are atoms of the same element (same number of protons/nuclear charge) but different masses (different number of neutrons). Example : Hydrogen-1, Hydrogen-2 (Deuterium), and Hydrogen-3 (Tritium) are isotopes of hydrogen .
ستارے گیس کی بڑی گیندیں ہیں جو بنیادی طور پر ______ اور ________ پر مشتمل ہوتی ہیں؟
Answer: Hydrogen, Helium
Explanation Stars are massive, luminous balls of gas that are primarily composed of: Hydrogen (about 70%) Helium (about 28%)
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