General Science Class 9 MCQs MCQs - General Science Practice | PakExamPoint

Practise General Science Class 9 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.

General Science Class 9 MCQs MCQs and revision practice

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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General Science Class 9 MCQs: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

31. Which one of the following is non-electrolyte?

مندرجہ ذیل میں سے کون سا غیر الیکٹرولائٹ ہے؟

Check answer and explanation

Answer: Urea

Explanation Urea is a non-electrolyte , meaning it does not dissociate into ions in aqueous solution. It does not conduct electricity.

32. What regulates the flow of water through the xylem?

زائلم کے ذریعے پانی کے بہاؤ کو کیا کنٹرول کرتا ہے؟

Check answer and explanation

Answer: The evaporation of water from the leaves

Explanation The evaporation of water from the leaves , also known as transpiration , creates a negative pressure that pulls water up the xylem from the roots to the leaves. This process is known as the transpiration-cohesion theory.

33. Choose the one incorrect statement from the followings?

درج ذیل میں سے ایک غلط بیان کا انتخاب کریں؟

Check answer and explanation

Answer: Members of different species form population

Explanation Members of the same species form a population , not members of different species. A population is a group of individuals of the same species that live in a specific geographic area and can interbreed.

34. In NaCl crystal lattice each Na ion is surrounded by ______?

Check answer and explanation

Answer: 6 Cl^- ions

Explanation In a NaCl crystal lattice, each sodium (Na+) ion is surrounded by six chlorine (Cl-) ions, forming an octahedral geometry. This means that each Na+ ion is coordinated by six Cl- ions, and vice versa.

35. Cell organelle found in animal cell and help intracellular digestion?

سیل آرگنیل جانوروں کے سیل میں پایا جاتا ہے اور انٹرا سیلولر ہاضمے میں مدد کرتا ہے؟

Check answer and explanation

Answer: Lysosome

Explanation Lysosome is the cell organelle found in animal cells that helps in intracellular digestion. It contains digestive enzymes and acids that break down cellular waste and foreign substances.

36. Techniques for manipulation of gene to achieve desirable characters are called?

مطلوبہ کرداروں کے حصول کے لیے جین کی ہیرا پھیری کی تکنیک ____ کہلاتی ہے؟

Check answer and explanation

Answer: Biotechnology

Explanation Genetic engineering is also known as genetic modification or biotechnology. It is the process of altering an organism's genes to produce a desired trait or characteristic. This can involve the transfer of genes from one organism to another, or the alteration of existing genes within an organism.

37. Fish is one of the best source of ______?

مچھلی ______ کے بہترین ذرائع میں سے ایک ہے؟

Check answer and explanation

Answer: Protein

Explanation Fish is an excellent source of protein. It is essential for building and repairing muscles, organs, and tissues in the body.

38. Which one is a scalar quantity?Time ,Force, Velocity ,Acceleration

کون سی ایک اسکیلر مقدار ہے؟

Check answer and explanation

Answer: Time

Explanation Time is a scalar quantity because it only has magnitude (duration) but no direction.

39. Chemical reaction requires particular conditions to carry down at proper rate, especially?

کیمیائی رد عمل کو مناسب شرح سے نیچے لے جانے کے لیے خاص حالات کی ضرورت ہوتی ہے، خاص طور پر؟

Check answer and explanation

Answer: Temperature and Pressure

Explanation Chemical reactions require specific conditions to proceed at a proper rate. Temperature and pressure are two of the most important factors that influence reaction rates.

40. Deficiency of dietary protein, causes an imbalance in the gastro-intestinal system?

غذائی پروٹین کی کمی، گیسٹرو آنتوں کے نظام میں عدم توازن کا سبب بنتی ہے؟

Check answer and explanation

Answer: Kwashiorkor

Explanation Kwashiorkor is a condition caused by a deficiency of dietary protein, leading to an imbalance in the gastro-intestinal system. It is characterized by: Edema (swelling) in the legs, feet, and face Diarrhea Weight loss Hair loss Skin lesions Impaired immune function

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