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.
نیوٹن کا قوّت ثقل کا قانون نیوٹن کے ______ قانون حرکت سے مطابقت رکھتا ہے۔
A. 2nd
B. All of them
C. 1st
D. 3rd
Check answer and explanation
Answer: 3rd
Explanation The gravitational force between two masses is mutual ; each mass exerts an equal and opposite force on the other,. It aligns with Newton's 3rd law of motion : for every action, there is an equal and opposite reaction.
Explanation Group IIIA (or group 13) elements , such as boron (B), aluminum (Al), and gallium (Ga), lose three electrons to form ions with a charge of +3. This means that they typically form compounds by losing three electrons, resulting in a valency of +3.
عمودی طور پر ترتیب دیئے گئے زائلم برتنوں کے مردہ خلیات کے اندر خالی جگہ ہوتی ہے؟
A. Chlorophyll
B. Lumen
C. Cytoplasm
D. Cell wall
Check answer and explanation
Answer: Lumen
Explanation Lumen refers to the empty space inside dead cells of xylem vessels, which are arranged vertically and form the vascular tissue in plants. The lumen provides a pathway for water and mineral transport from roots to leaves.
Explanation Food chains are linear sequences showing the feeding relationships between organisms in an ecosystem. They illustrate how energy and nutrients are passed from one organism to another , from producers (like plants) to consumers (like animals).
ایک بار جب آپ کے پاس ڈیٹا ہو جائے تو آپ کو _____ تجزیہ کرنے کی ضرورت پڑ سکتی ہے۔
A. Mathematical
B. Logical
C. Quantitative
D. Qualitative
Check answer and explanation
Answer: Mathematical
Explanation Once you have the data , you may need to perform mathematical analysis. It involves using statistical and mathematical techniques to interpret and draw conclusions from the data.
Explanation The quantity of matter in a body is called its mass . while Force is a push or pull acted on an object . Weight is the measure of the force exerted on the mass of the body due to gravity.
Explanation Specific heat capacity is the thermal energy transfer required per unit mass to increase the temperature of a substance by 1°C (or 1 K). It is a measure of how much heat energy a substance can absorb or release per unit mass per unit temperature change.
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