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.
تمام درست معلوم ہندسے اور ایک اظہار میں پہلا مشکوک ہندسہ کس طرح جانا جاتا ہے؟
A. Estimated figures
B. Non-significant figures
C. Significant figures
D. Crossed figures
Check answer and explanation
Answer: Significant figures
Explanation Significant figures (also known as significant digits) are the number of digits in a measurement or calculation that are known to be reliable and accurate, including the first doubtful digit. For example, the measurement "23.4 cm" has four significant figures, while "23.40 cm" has five significant figures.
D. Chromosomes start to coil up and become visible
Check answer and explanation
Answer: Chromosome line up on the equator of the cell
Explanation In metaphase , the chromosomes (now consisting of two sister chromatids each) align themselves at the center of the cell, attached to the microtubules of the mitotic spindle. This forms the metaphase plate , where each chromosome is positioned at the equator of the cell, ready for separation.
ایک بازو بہت چھوٹا اور دوسرا بہت لمبا کروموزوم ____ کہلاتا ہے؟
A. Telocentric
B. Acrocentric
C. Submetacentric
D. Metacentric
Check answer and explanation
Answer: Acrocentric
Explanation Acrocentric chromosomes are chromosomes with one arm (p arm) that is significantly shorter than the other arm (q arm). The p arm is often very small, and may be barely visible , while the q arm is much longer. Examples of acrocentric chromosomes include chromosomes 13, 14, 15, 21, and 22 in humans.
مندرجہ ذیل میں سے کون سا ٹھوس میں تیز پگھلنے کا نقطہ ہے؟
A. Glass
B. Plastic
C. Diamond
D. Rubber
Check answer and explanation
Answer: Diamond
Explanation Diamond is a crystalline solid that has a sharp melting point. Meaning it melts at a specific temperature (around 4000 K) with a minimal range.
وہ جاندار جو اپنی خوراک مردہ اور بوسیدہ نامیاتی مادوں سے حاصل کرتے ہیں؟
A. Predators
B. Parasites
C. Saprotrophs
D. Producers
Check answer and explanation
Answer: Saprotrophs
Explanation Some organisms feed on dead and decaying organic matter instead of living organisms. These organisms are called saprotrophs . They play an important role in decomposition and nutrient recycling in ecosystems. Examples include fungi, bacteria, and some protists . Last verified on 01-02-2026
سائنسی استدلال مخصوص سے عمومی ____ میں منتقل ہوتا ہے؟
A. Observation
B. Inductive
C. Both a and b
D. Deductive
Check answer and explanation
Answer: Inductive
Explanation Scientific reasoning involves both inductive and deductive approaches: Inductive reasoning moves from specific observations to general conclusions ( specific → general ). Deductive reasoning moves from general principles to specific conclusions ( general → specific ).
اگر ورنیئر اسکیل کی صفر لائن مین اسکیل کے صفر کے ساتھ ملتی ہے، تو صفر کی خرابی ______ ہے؟
A. Zero
B. Negative
C. Positive
D. One
Check answer and explanation
Answer: Zero
Explanation If the zero line of the Vernier scale coincides with the zero of the main scale , it means that there is no zero error. Zero error occurs when the zero of the Vernier scale is not aligned with the zero of the main scale, resulting in a systematic error in the measurements.
Explanation Evaporation occurs when molecules on a liquid's surface gain enough energy to escape into the air, and this can happen at any temperature , not just at boiling point. It's a slow process at lower temperatures, but faster at higher temperatures.
مندرجہ ذیل میں سے کون سا بیان پیپسن کی وضاحت کرتا ہے؟
A. It begins the hydrolysis of proteins in the stomach
B. It splits maltose into monosaccharides
C. It helps stabilize fat-water emulsions
D. It is manufactured by the pancreas
Check answer and explanation
Answer: It begins the hydrolysis of proteins in the stomach
Explanation Pepsin is a proteolytic enzyme produced by the chief cells in the stomach lining. It breaks down proteins into smaller peptides and amino acids, initiating protein digestion in the acidic environment of the stomach.
پانی کے انووں کی زیادہ پانی کی پوٹینشل کے علاقے سے کم پانی کی پوٹینشل کے علاقے میں حرکت جسے ____ کہتے ہیں؟
A. Water potential
B. Osmosis
C. Diffusion
D. Active transport
Check answer and explanation
Answer: Osmosis
Explanation Osmosis is the movement of water molecules from an area of higher water potential (high concentration of water molecules) to an area of lower water potential (low concentration of water molecules) through a selectively permeable membrane. This process helps to equalize the concentration of water molecules on both sides of the membrane.
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