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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متضاد مرکب کی مثال _______ ہے؟
Answer: Sand and water
Explanation A heterogeneous mixture is a mixture in which the components have different physical properties, such as color, texture, or phase (solid, liquid, or gas). In a heterogeneous mixture, the components are not uniformly distributed, and you can often see the individual components.
ہر گرام چربی جسم کو تقریباً ______ کیلوریز فراہم کرتی ہے۔
Answer: 9
Explanation Each gram of fat supplies the body with approximately 9 calories. This is more than the energy provided by carbohydrates (4 calories per gram) and protein (4 calories per gram).
Answer: 10 Joule
Explanation The potential energy (PE) of an object is calculated as: PE = mass x gravity x height = 1 kg x 10 m/s^2 x 1 m = 10 Joule So, the energy possessed by the body is 10 Joule.
زمین کی کمیت _____ ہے؟
Answer: 6.0 x 10^24 kg
Explanation The mass of Earth is approximately 6.0 x 10^24 kilograms ( 5.98 x 10^24 kg ). This is a widely accepted scientific value , based on various measurements and calculations, including: Gravity measurements Satellite orbits Seismological data Planetary formation models
ایٹموں کا اپنے والینس شیل میں آٹھ الیکٹران حاصل کرنے کا رجحان ______ ہے؟
Answer: Octet rule
Explanation The octet rule states that atoms tend to gain , lose, or share electrons to achieve a full outer energy level, which typically corresponds to eight electrons in the valence shell. This rule is a fundamental principle in chemistry and is used to explain the formation of chemical bonds and the structure of molecules.
حیاتیات اور دیگر علوم کا مسئلہ حل کرنے کا طریقہ کیا ہے؟
Answer: Scientific Method
Explanation The scientific method is a systematic approach used to develop and test scientific knowledge, including in biology and other sciences. It involves: Observations Hypothesis formation Prediction Experimentation Data analysis Conclusion drawing
سٹوماٹا کا کھلنا اور بند ہونا بھی ___ سے ریگولیٹ ہوتا ہے؟
Answer: Guard cells
Explanation Guard cells regulate the opening and closing of stomata , controlling gas exchange and transpiration. They surround the stomata and change shape in response to environmental conditions, opening or closing the stomata as needed.
آئرن کی کمی کا تعلق علمی صلاحیتوں میں کمی اور _____ کے خلاف مزاحمت سے ہے؟
Answer: Diseases
Explanation Iron deficiency is associated with decreased cognitive abilities and resistance to diseases. Iron plays a crucial role in the immune system , and deficiency can impair the body's ability to fight off infections.
انسانی نظام انہضام میں ٹریچیا اور غذائی نالی دونوں _____ سے جڑتے ہیں؟
Answer: Pharynx
Explanation The pharynx (throat) is a shared passage for both the respiratory and digestive systems. The trachea (windpipe) and esophagus both connect to the pharynx: The trachea connects to the pharynx anteriorly (front) and leads to the lungs. The esophagus connects to the pharynx posteriorly (back) and leads to the stomach.
مندرجہ ذیل میں سے ایک مماثل کو منتخب کریں؟
Answer: Ribosomes → Synthesis of steroids
Explanation Ribosomes are responsible for protein synthesis , not steroid synthesis. Steroid synthesis occurs in the endoplasmic reticulum and other organelles , but not in ribosomes.
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