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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زمین کی گردش کی وجہ کیا ہوتا ہے؟
Answer: Day and Night
Explanation The rotation of the Earth on its axis causes day and night. As different parts of the planet face towards or away from the Sun.
کلینیکل تھرمامیٹر کی _____ رینج ہے؟
Answer: 35°C to 42°C
Explanation Clinical thermometers, also known as medical thermometers . It typically have a narrow range of 35°C to 42°C. Which covers the normal body temperature range of humans (37°C ± 2°C). This allows for accurate measurements of body temperature in medical settings.
ٹھوس، مائعات اور گیسیں آپس میں مل کر _____ بناتی ہیں؟
Answer: Mixture
Explanation Solids, liquids, and gases can mix together to form a mixture. Which is a physical combination of two or more substances in which each substance retains its chemical properties.
وٹامن سی کی کمی کے نتیجے میں کیا ہوتا ہے؟
Answer: Scurvy
Explanation Scurvy Cause: Vitamin C (ascorbic acid) deficiency. Symptoms: Fatigue, weak and sore limbs, bleeding gums, easy bruising, delayed wound healing, and anemia. Other Vitamin Deficiencies Rickets : Caused by a deficiency in Vitamin D. Beriberi: Caused by a deficiency in Vitamin B1 (Thiamine). Night Blindness: Caused by a deficiency in Vitamin A.
مندرجہ ذیل میں سے کون سی کواشیورکور بیماری کی علامات ہیں؟
Answer: All of these
Explanation Kwashiorkor is a severe form of protein-energy malnutrition, and its symptoms include : Fatigue : Weakness and lack of energy Diarrhea : Frequent and watery stools Irritability : Mood swings and crankiness Impairment of mental health : Depression, anxiety, and cognitive impairment Stunted growth : Slowed growth and development, leading to short stature Additionally, other symptoms of Kwashiorkor may include : Swelling of the legs, face, and abdomen (edema) Weight loss Loss of appetite Hair and skin problems Increased risk of infections
آوازیں _______ سے زیادہ ٹھوس کے ذریعے سفر کرتی ہیں؟
Answer: Both A and B
Explanation Sounds travel faster through solids than through both gases and liquids. Solids have a more rigid structure , allowing sound waves to propagate more efficiently and at a faster speed. Here's a comparison of sound speeds in different materials: Solids (e.g., steel): up to 5,960 m/s (13,140 ft/s) Liquids (e.g., water): up to 1,482 m/s (4,862 ft/s) Gases (e.g., air): approximately 343 m/s (1,125 ft/s)
مادہ کیسے ایک شکل سے دوسری شکل میں بدل سکتا ہے؟
Answer: Both A and B
Explanation Matter can change from one form to another through various processes, including: Heating : Melting ( solid to liquid ), Vaporization ( liquid to gas ) Cooling : Freezing ( liquid to solid ), Condensation ( gas to liquid ) For example , ice (solid) can change to water (liquid) by heating, and water (liquid) can change to steam (gas) by further heating. Similarly, steam (gas) can change to water (liquid) by cooling, and water (liquid) can change to ice (solid) by further cooling.
کون سا سانس لینے کا ایک عام عارضہ ہے اور ہوا میں سوجن کی وجہ سے سانس لینے میں دشواری ہوتی ہے؟
Answer: Asthma
Explanation Asthma is a common breathing disorder that causes difficulty in breathing due to swollen air passages. The airways become inflamed, and the muscles around them constrict, making it hard to breathe.
فوری توانائی فراہم کرتے ہیں؟ _______
Answer: Carbohydrates
Explanation Carbohydrates are the body's primary source of instant energy. They are broken down into glucose . Which is absorbed into the bloodstream and transported to cells throughout the body. Where it is converted into energy.
جھیل، سمندر، ویٹ لینڈ، دریا، سمندر، تالاب ______ اس کی مثالیں ہیں؟
Answer: Water Environments
Explanation Lake, sea, wetland, river, ocean, and pond are all examples of different types of water environments.
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