General Science Class 4 MCQs MCQs - General Science Practice | PakExamPoint
Practise General Science Class 4 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
General Science Class 4 MCQs MCQs and revision practice
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.
Explanation Vitamin D is found in: Milk (fortified milk and dairy products) Cod liver oil (and other fatty fish oils) Sunlight (our bodies produce vitamin D when exposed to sunlight) Additionally, vitamin D is also found in: Fatty fish (like salmon, mackerel, and sardines) Fortified cereals and orange juice Egg yolks Mushrooms (some types, like shiitake and portobello)
کون سا معدنیات ہڈیوں اور دانتوں کی تعمیر، پٹھوں کے کام کرنے اور خون جمنے کے لیے ضروری ہے؟
A. Sodium
B. Magnesium
C. Iron
D. Calcium
Check answer and explanation
Answer: Calcium
Explanation Calcium is crucial for: Building and maintaining strong bones and teeth Muscle function and contraction Nerve function and transmission Blood clotting and wound healing
Explanation Because sound is just vibrating air, space has no air to vibrate and therefore no sound in a vacuum . Sound waves below 20 Hz are known as infrasound . Sound waves above 20 kHz are known as ultrasound Sound waves transmit a medium such as a gas, liquid, or solid. The speed of sound in air is about 343 meters per second The sound travels at 1,481 m/s in water The speed of sound in a vacuum is zero meters per second.
Explanation Marasmus is a severe form of protein-energy malnutrition that affects infants and young children. It leading to weight loss, wasting of fat and muscle, stunted growth, and developmental delays.
Explanation Vitamin A is found in: Carrots (beta-carotene, a precursor to vitamin A ) Cod-liver oil (rich in vitamin A) Oil (such as cod-liver oil, halibut-liver oil, and shark-liver oil) Additionally, vitamin A is also found in other foods like: Sweet potatoes Dark leafy greens (like spinach and kale) Squash Fatty fish (like salmon and mackerel) Egg yolks Dairy products (like milk and cheese)
وہ کونسا جانور ہے جس کی جلد کے نیچے چربی کی موٹی تہہ ہوتی ہے جو انہیں سمندر کے سرد درجہ حرارت سے بچاتی ہے؟
A. Blue Whale
B. Starfish
C. None
D. Crocodile
Check answer and explanation
Answer: Blue Whale
Explanation Blue Whales have a thick layer of fat, known as blubber, under their skin that helps to keep them warm in cold water. This layer of fat can be up to 30 cm (12 in) thick and makes up about 50% of their body weight.
Explanation Vitamin C is found in: Citrus fruits like oranges, lemons, and grapefruit Other fruits like kiwi, guava, strawberries, and cantaloupe Vegetables like peppers, broccoli, Brussels sprouts, and potatoes
مندرجہ ذیل میں سے کون سی سادہ مشینوں کے لیے درست ہے؟
A. Simple machines magnify the force you use
B. Simple machines make things go faster
C. Simple machines change the direction of the force
D. Simple machines make things move slower
Check answer and explanation
Answer: Simple machines magnify the force you use
Explanation The correct answer is: Simple machines magnify the force you use. This statement is true for many simple machines, such as levers, pulleys, and wheel and axle systems. Which are designed to multiply the force you apply, making it easier to lift, move, or apply force to an object.
Explanation The stomach is a J shaped sac about one foot in length that lies under the diaphragm on the left of the abdominal cavity. The stomach has three parts : The region where the stomach opens is known as the cardiac stomach. The main body is known as fundus . The posterior portion which opens to the intestine is known as the pyloric stomach.
Explanation Heat is a form of energy that is transferred from one body to another due to a temperature difference. It is a type of kinetic energy that is transferred through the motion of particles.
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