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.
Use these General Science Class 4 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.
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انسان ______ ہڈیوں کے ساتھ پیدا ہوتے ہیں لیکن بالغوں میں _____ ہڈیاں ہوتی ہیں۔
Answer: 300, 206
Explanation Humans are born with around 300 bones , but as they grow and develop. Some of these bones fuse together , resulting in a total of 206 bones in the adult human skeleton. This process of bone fusion, called ossification .
ایک چھڑی کے ساتھ، جسے ایکسل کہا جاتا ہے، اپنے مرکز سے بوجھ اٹھاتا ہے یا حرکت کرتا ہے۔ ______
Answer: Wheel
Explanation A wheel with a rod, called an axle, through its center lifts or moves loads. Example : Screw driver, handle is wheel and its shaft is axle, a car wheel. The wheel and axle simple machine is used in many applications , such as: Transportation (cars, bicycles, etc.) Lifting heavy loads (cranes, winches, etc.) Moving objects (wheelbarrows, shopping carts, etc.)
انسان میں موجود دانت پھاڑنا _____ ہیں؟
Answer: Canines
Explanation Canines are the pointed teeth used for tearing food , especially meat . Humans have 4 canines , two in each jaw.
جسم کا وہ حصہ جو آپ کو شکل دیتا ہے؟
Answer: Skeleton
Explanation The skeleton provides the structural framework that gives the body its shape and supports its various parts. It is made up of 206 bones that are connected by joints and held together by ligaments and tendons.
پانی میں گھل کر نمک اور پانی کا مرکب بناتا ہے؟ ______
Answer: Solid
Explanation Solids like salt (sodium chloride) dissolve in water to form a saltwater mixture or solution . When salt is added to water, the salt particles break apart and distribute evenly throughout the water, creating a homogeneous mixture.
خوراک کی قسم کی بنیاد پر جانوروں کو کتنی اقسام میں تقسیم کیا جا سکتا ہے؟
Answer: 3
Explanation Animals can be classified into three main categories based on their food type: Herbivores (plant-eaters): These animals eat only plants , including leaves, stems, roots, flowers, fruits, and seeds. Examples : Cows, Deer, Rabbits, Elephants Carnivores (meat-eaters): These animals eat only meat , primarily from other animals. Examples : Lions, Tigers, Bears, Wolves Omnivores (both plant and meat-eaters): These animals eat both plants and animals . Examples : Humans, Pigs, Bears (some species), Chimpanzees
جب آپ پانی کے گلاس میں ریت، نمک اور چورا ڈالتے ہیں تو کیا ہوتا ہے؟
Answer: All of these
Explanation When you put sand, salt, and sawdust in a glass of water, the following things happen: Salt dissolves in water, meaning it breaks down into individual particles that are distributed evenly throughout the water. Sand sinks to the bottom of the glass, because it is denser than water and cannot float or dissolve in it. Sawdust floats on top of the water, because it is less dense than water and is able to remain suspended on the surface.
کون سے معدنیات کی کمی دردناک جوڑوں، آسٹیوپوروسس، یادداشت کی کمی اور ذیابیطس کا سبب بن سکتی ہے؟
Answer: Magnesium
Explanation Magnesium deficiency can contribute to or exacerbate all of the following health issues: Painful joints : Magnesium helps regulate inflammation and muscle function , and deficiency can lead to joint pain and stiffness. Osteoporosis : Magnesium is essential for bone mineralization and density; deficiency can increase the risk of osteoporosis and fractures. Memory loss : Magnesium plays a role in neuronal function and synaptic plasticity; deficiency has been linked to cognitive impairment and memory loss. Diabetes : Magnesium helps regulate insulin sensitivity and glucose metabolism; deficiency can increase the risk of developing type 2 diabetes.
بنیادی صارفین کو کھانے والے جانور کیا کہلاتے ہیں؟
Answer: Secondary Consumers
Explanation Secondary consumers are animals that eat primary consumers (herbivores). They are carnivores that feed on the animals that eat plants and plant products. Examples of secondary consumers include : Predators like lions, dogs, wolves, and hawks Fish that eat smaller fish or crustaceans Insects like ladybugs that eat aphids
دن لمبے اور راتیں چھوٹی ہو جاتی ہیں۔ ______
Answer: Summer
Explanation During Summer in the Northern Hemisphere , the days become longer and the nights become shorter due to the Earth's axis being tilted towards the Sun . This results in more direct sunlight and longer periods of daylight.
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