Practise General Science Class 4 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study General Science Class 4 MCQs through multiple-choice questions in General Science. This subtopic contains 296 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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ایک کنٹینر کی شکل اختیار کرتے ہیں جس میں وہ رکھے جاتے ہیں؟ ______
Answer: Liquids
Explanation Liquids take the shape of a container because they have a fixed volume but no fixed shape . They conform to the shape of the container they are placed in.
لیبارٹری تھرمامیٹر کی ______ رینج ہے؟
Answer: 10°C to 110°C
Explanation Laboratory thermometers typically have a range of 10°C to 110°C. It allowing for precise temperature measurements in a variety of laboratory settings.
ایک سادہ مشین جو بوجھ کو اٹھانے، کم کرنے یا منتقل کرنے کے لیے نالی والے پہیے اور رسی کا استعمال کرتی ہے اسے کیا کہا جاتا ہے؟
Answer: Pulley
Explanation A pulley is a simple machine that uses grooved wheels and a rope to raise, lower, or move a load. It changes the direction of the force, making it easier to lift or move heavy loads. Examples : Raising a load and A flag pulley.
کون سا وٹامن خون کو جمنے والے پلیٹلیٹس کی پیداوار میں اضافہ یا مدد کرتا ہے؟
Answer: Vitamin K
Explanation Vitamin K is essential for blood clotting and plays a crucial role in the production of platelets , which are vital for stopping bleeding when you're injured. Vitamin K deficiency can lead to bleeding disorders, easy bruising, and poor wound healing. Vitamin K helps to : Activate clotting factors in the liver Produce platelets in the bone marrow Form blood clots to stop bleeding
فارن ہائیٹ پیمانے پر کلینکل تھرمامیٹر کی حد کیا ہے؟
Answer: 95°F to 108°F
Explanation The temperature range of the clinical thermometer is 94°F to 108°F. A clinical thermometer is a device that measures the temperature of the body. A mercury bulb is located at the end of a long, narrow glass tube. The average body temperature is 37° C , but it can range between 35 and 42° C.
چربی ______ توانائی فراہم کرتی ہے جتنی کاربوہائیڈریٹ کی مقدار۔
Answer: Twice
Explanation Fat provides approximately twice as much energy as the same amount of carbohydrate. This is because fat contains approximately 9 kcal/g (kilocalories per gram). Carbohydrate contains approximately 4 kcal/g.
بچوں میں ذہنی پسماندگی بنیادی طور پر کی کمی کی وجہ سے ہوتی ہے؟
Answer: Iodine
Explanation Iodine deficiency can cause mental retardation in children . Particularly if the deficiency occurs during fetal development or early childhood. This is because iodine is essential for brain development and thyroid function. Last verified on 08-03-2026
اس میں زمین کا نصف حصہ ہے جو سورج سے دور ہوتا ہے؟
Answer: Night
Explanation When the half of the Earth is facing away from the Sun, it experiences Night , as it is not receiving direct sunlight.
وہ مواد جن سے بجلی نہیں گزر سکتی وہ ______ کہلاتی ہیں؟
Answer: Insulators
Explanation Insulators are materials that resist the flow of electricity, such as rubber, glass, wood, and plastic. They have a high resistance to electric current and are used to prevent the flow of electricity.
وہ جاندار جو تمام مردہ اور فضلہ کھا جاتے ہیں اور مفید عناصر کو مٹی اور ماحول میں لوٹاتے ہیں ان کو کیا کہا جاتا ہے؟
Answer: Decomposers
Explanation Decomposers are organisms that break down dead and waste products, releasing useful elements such as carbon, nitrogen, and phosphorus back into the soil and environment. This process is called decomposition, and it's an essential step in the nutrient cycle. Decomposers include organisms like : Bacteria Fungi (such as mushrooms) Detritivores (such as earthworms and insects) By breaking down organic matter, decomposers help to : Recycle nutrients Improve soil structure and fertility Support plant growth and development Last verified on 07-03-2026
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