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 کون سا آکلوروفیلس اور جذب کرنے والا جاندار ہے؟
Answer: Fungi
Explanation Fungi are achlorophyllous, meaning they lack chlorophyll and are unable to photosynthesize. Instead, they are absorptive living organisms , obtaining their nutrients by breaking down and absorbing organic matter from their surroundings.
گلوکوز کی تقسیم (گلائیکولائسز) تھوڑی مقدار میں توانائی خارج کرتی ہے جو _____ پیدا کرنے کے لیے کافی ہے؟
Answer: 2 ATP
Explanation Glycolysis, the splitting of glucose , releases a small amount of energy that is enough to generate 2 ATP (adenosine triphosphate) molecules. This process occurs in the cytosol of cells and is the first step in cellular respiration.
تمام خامروں کے حروف ہیں سوائے؟
Answer: Enzyme activity enhanced by inhibitors
Explanation Inhibitors are molecules that bind to enzymes and decrease their activity, thereby slowing down or preventing the biochemical reaction. Enzyme activity is not enhanced by inhibitors , but rather inhibited.
متوازی قوتوں کا ایک جوڑا جس میں قوت کی مختلف لکیریں ہوتی ہیں _______؟
Answer: A couple
Explanation A pair of unlike parallel forces (forces that act in opposite directions) with different lines of force produce a couple. It is also known as a moment or torque. This is a rotational force that tends to cause rotation around a pivot point or axis.
وہ نقطہ جہاں انزائم سب سے زیادہ فعال ہے ______ کے نام سے جانا جاتا ہے؟
Answer: Optimum pH
Explanation Optimum pH is the point where an enzyme is most active. It is the pH at which the enzyme catalyzes the reaction at its maximum rate. Different enzymes have different optimum pH values , depending on their structure and function.
چار ریاستی درجہ بندی میں، بادشاہی میٹافائٹا میں مندرجہ ذیل میں سے سبھی شامل ہیں سوائے؟
Answer: Algae
Explanation In the four-kingdom classification , Kingdom Metaphyta (also known as Plantae) includes: Angiosperm (flowering plants) Gymnosperm (conifers and related plants) Bryophyta (mosses) Algae are classified under Kingdom Protista.
مییووسس کا مرحلہ جس میں سنٹرومیرز چھوٹے ہو جاتے ہیں اور جوڑے ہوئے کرومیٹڈس ایک دوسرے سے دور ہو جاتے ہیں؟
Answer: Anaphase-II
Explanation In Anaphase-II of meiosis, the centromeres shorten and the paired chromatids (sister chromatids) are pulled away from one another, moving to opposite poles of the cell. This is the stage where the genetic material is finally separated, and each pole receives a complete set of chromosomes.
مندرجہ ذیل میں سے کون سا مواد زیادہ لچکدار ہے؟
Answer: Steel
Explanation Steel is more elastic than rubber, glass, and wood. Elasticity refers to the material's ability to return to its original shape after being deformed. Steel has a higher modulus of elasticity (Young's modulus), meaning it can withstand greater stress and still return to its original shape.
سینٹرفیوگل فورس ہمیشہ _____ ہدایت کی جاتی ہے؟
Answer: Away from centre
Explanation Centrifugal force is a fictitious force that appears to act on an object moving in a circular path, causing it to move away from the center of the circle. It is a result of the inertia of the object , which tends to keep it moving in a straight line.
معطلی میں ذرہ کا سائز کیا ہے؟
Answer: Greater than 10 nm^3
Explanation In a suspension, the particle size is typically larger than 10 nm (nanometers) in diameter. Suspensions are heterogeneous mixtures where the particles of the solute (solid, liquid, or gas) are dispersed in a solvent (liquid, gas, or solid) and are visible to the naked eye or under a microscope.
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