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.
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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مچھلی کی پیداوار کی مقدار اور معیار میں اضافہ کیا ہے؟
Answer: Fisheries
Explanation Fisheries refer to the industry or practice of catching , breeding, and managing fish and other aquatic organisms. Increased quantity and quality of fish production is a result of improvements in fisheries management, aquaculture (fish farming), and fishing technologies.
نقطہ انجماد کا انحصار ______ پر ہے؟
Answer: Pressure
Explanation The freezing point of a liquid can be affected by pressure. This is known as the " pressure melting point " effect. As pressure increases , the freezing point of a liquid can also increase.
گرم ہونے پر کے سی ایل کا سیر شدہ محلول _______ ہو جاتا ہے؟
Answer: Supersaturated
Explanation When a saturated solution of KCl (potassium chloride) is heated , the solubility of KCl increases, allowing more KCl to dissolve in the solution. If the solution is heated to a temperature where all the KCl dissolves, it becomes a supersaturated solution. A supersaturated solution contains more dissolved solute than it can hold at a given temperature, making it unstable.
پہلا سائنسدان کون تھا جس نے کشش ثقل کا تصور دیا؟
Answer: Newton
Explanation The first scientist who gave the concept of gravitation was Sir Isaac Newton. He published his groundbreaking work , "Universal Law of Gravitation," in 1687. It explained how gravity works and how it affects objects on Earth and in the universe.
رگڑ ______ کی وجہ سے رابطے میں دو جسموں کے درمیان حرکت کی مخالفت کرتا ہے؟
Answer: Roughness of surfaces
Explanation Friction is a force that opposes motion between two bodies in contact, and it arises due to the interaction between the surfaces in contact. The roughness of the surfaces, including microscopic imperfections and irregularities , leads to interlocking and resistance to motion. This resistance is what we experience as friction.
مائع کے مالیکیول بخارات کے عمل میں مائع کی سطح کو چھوڑ دیتے ہیں کیونکہ ______؟
Answer: Energy is high
Explanation In the evaporation process , liquid molecules gain energy and move faster. It allowing them to escape from the surface of the liquid into the surrounding air. This occurs when the molecules have enough energy to overcome the intermolecular forces holding them to the surface.
بریک اور کلچ میں چشمے استعمال ہوتے ہیں______؟
Answer: To restore original position
Explanation The springs in brakes and clutches are used to restore the original position of the components after they have been engaged or disengaged. For example, in a brake system , the springs return the brake pads to their original position after the brake pedal is released. Similarly, in a clutch system, the springs return the clutch plate to its original position after the clutch pedal is released.
سیٹلائٹ کی رفتار اس کے کمیت کا _____ ہے۔
Answer: Independent
Explanation The velocity of a satellite is independent of its mass. According to Kepler's laws, velocity is determined by the orbit's semi-major axis and the central body's gravitational constant (G), not by the satellite's mass.
وسیع میٹابولک سرگرمی کا دورانیہ، جس میں سیل بڑھتا ہے، انزائمز کی ترکیب ہوتی ہے؟
Answer: G1 phase
Explanation The G1 phase (Gap 1 phase) is the period of extensive metabolic activity in the cell cycle where the cell grows , enzymes are synthesized, and DNA is replicated. This phase is also known as the interphase or the growth phase.
دائیں رسی پر چلنے والا ______ تک ایک لمبا کھمبہ لے جاتا ہے؟
Answer: Lower his centre of gravity
Explanation A tightrope walker carries a long pole to lower their center of gravity, making it easier to balance and maintain equilibrium. By spreading their weight over a larger area (including the pole), they reduce the risk of toppling over.
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