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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مندرجہ ذیل میں سے عجیب کو منتخب کریں؟
Answer: Ratio
Explanation The odd one out is : Ratio Theory, Law, and Hypothesis are all related to the scientific method.
ملیریا کی وجہ _____ ہے؟
Answer: Plasmodium
Explanation Plasmodium is a genus of protozoan parasites that cause malaria. There are several species of Plasmodium that can infect humans , including P. falciparum, P. vivax, P. ovale, and P. malariae.
ایک مقررہ درجہ حرارت جس پر خالص مائع ابلتا ہے ______ کہلاتا ہے؟
Answer: Boiling point
Explanation The boiling point is the temperature at which a pure liquid changes state from liquid to gas at standard atmospheric pressure. Key Points: The melting point is the temperature at which a solid changes state to a liquid. The freezing point is the temperature at which a liquid changes state to a solid.
بہار کا توازن _________ کی پیمائش کے لیے استعمال کیا جاتا ہے؟
Answer: Weight
Explanation A spring balance is a device used to measure the weight of an object. It consists of a spring that is stretched or compressed by the weight of the object, and a pointer or dial that indicates the weight.
جانوروں میں مییوسس _____ پیدا کرتا ہے؟
Answer: Gametes
Explanation Meiosis in animals produces gametes , which are the reproductive cells (sperm and egg cells) that are necessary for sexual reproduction. Meiosis is the process by which a diploid (having two sets of chromosomes) cell divides to produce four haploid (having one set of chromosomes) cells, each with half the number of chromosomes as the parent cell.
Answer: 1.6 ms^-2
Explanation To find the acceleration of the sledge , we can use Newton's second law of motion: F = ma, where F is the net force acting on the sledge , m is its mass, and a is its acceleration. First, we need to find the net force acting on the sledge . The force applied by the man is 60 N, and the force of friction is 20 N, so the net force is : F = 60 N - 20 N = 40 N Next, we can plug in the values to Newton's second law: 40 N = (25 kg) × a To find the acceleration, we can divide both sides by the mass: a = 40 N / 25 kg = 1.6 ms^-2 Therefore, the acceleration of the sledge is 1.6 ms^-2.
مقررہ حجم کے کنٹینر میں گیس کو گرم کیا جاتا ہے۔ گیس کے مالیکیولز کا کیا ہوتا ہے؟
Answer: They move faster
Explanation When a gas is heated in a container of fixed volume , the molecules of the gas: Move faster (their kinetic energy increases , causing them to move more rapidly) Collide more frequently with the container walls (resulting in increased pressure) Do not expand (the container volume is fixed) Do not move further apart (the density of the gas remains the same, as the volume
Answer: 117 grams
Explanation The molar mass of sodium chloride (NaCl) is 58.44 g/mol. To find the mass of 2 moles of NaCl , you can multiply the molar mass by 2: 2 mol × 58.44 g/mol = 116.88 g Rounded to the nearest gram , this is approximately 117 grams .
ایپیڈرمس اور اینڈوڈرمس کے درمیان جڑ کا حصہ کہا جاتا ہے؟
Answer: Cortex
Explanation The cortex is the layer of tissue between the epidermis (outermost layer) and endodermis (inner layer) in plant roots. It's a region of parenchymatous cells that stores food, water, and nutrients.
Answer: Bell metal
Explanation An alloy of Cu - Sn is called Bell metal. Bell metal is a specific type of bronze with a higher tin content, commonly used for making bells.
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