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.

Continue your revision with related topics: Biology Class 10th MCQs MCQs, Biology Class 9th MCQs MCQs, Chemistry Class 10th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs, General Science Class 7 MCQs MCQs.

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General Science Class 4 MCQs: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

151. Which mineral is makes red blood cells and it involved in oxygen transport and storage for energy conversions?

کون سا معدنیات خون کے سرخ خلیے بناتا ہے اور یہ توانائی کے تبادلوں کے لیے آکسیجن کی نقل و حمل اور ذخیرہ کرنے میں شامل ہے؟

Check answer and explanation

Answer: Iron

Explanation Iron is an essential mineral that plays a crucial role in: Producing red blood cells (hemoglobin) Oxygen transport (binding to oxygen in lungs and releasing it to tissues) Energy conversions (supporting cellular metabolism)

152. In which group would you place human beings?

آپ انسانوں کو کس گروپ میں رکھیں گے؟

Check answer and explanation

Answer: Omnivores

Explanation Human beings are omnivores because we eat a variety of foods including plants (fruits, vegetables, grains) , animals (meat, poultry, fish), and products derived from animals (dairy, eggs).

153. In which of the following Vitamin B is found?

مندرجہ ذیل میں سے کس میں وٹامن بی پایا جاتا ہے؟

Check answer and explanation

Answer: All of these

Explanation Vitamin B is found in: Vegetables (like leafy greens, bell peppers, and mushrooms) Whole wheat grains (like brown rice, quinoa, and whole-wheat bread) Fresh meat (like beef, chicken, and fish) Vitamin B is a complex of several B vitamins, including: B1 (Thiamin) B2 (Riboflavin) B3 (Niacin) B5 (Pantothenic acid) B6 (Pyridoxine) B7 (Biotin) B9 (Folic acid) B12 (Cobalamin)

154. Girl is riding a bicycle. She covers a distance of 150 meters is 5 seconds. The cycling speed of a girl is?

لڑکی سائیکل چلا رہی ہے۔ وہ 150 میٹر کا فاصلہ 5 سیکنڈ میں طے کرتی ہے۔ ایک لڑکی کی سائیکل چلانے کی رفتار کتنی ہے؟

Check answer and explanation

Answer: 30 m/s

Explanation To find the speed, we can use the formula : Speed = Distance / Time Given: Distance = 150 meters Time = 5 seconds Speed = 150 / 5 Speed = 30 m/s So, the cycling speed of the girl is 30 meters per second.

155. Which are the secondary consumers and eat primary consumers (birds and mouse)?

کون سے ثانوی صارفین ہیں اور بنیادی صارفین (پرندے اور ماؤس) کھاتے ہیں؟

Check answer and explanation

Answer: Carnivores

Explanation Carnivores are secondary consumers that eat primary consumers (herbivores). In this case, birds and mice are primary consumers (herbivores) that eat plants and plant products. Carnivores that eat birds and mice are secondary consumers. Examples of carnivores that might eat birds and mice include: Hawks and owls (birds of prey) Foxes, wolves, and cats (mammals) Snakes and lizards (reptiles)

156. The average internal temperature of human body is?

انسانی جسم کا اوسط اندرونی درجہ حرارت کیا ہے؟

Check answer and explanation

Answer: 37°C

Explanation The average internal temperature of the human body is 37°C (98.6°F). It is the normal body temperature range for a healthy adult.

157. Which are mainly found in fruits and vegetables?

بنیادی طور پر پھلوں اور سبزیوں میں پائے جاتے ہیں؟ _____

Check answer and explanation

Answer: Vitamins

Explanation Fruits and vegetables are rich in various vitamins, such as: Vitamin C ( citrus fruits , strawberries, bell peppers ) Vitamin A (sweet potatoes, carrots, dark leafy greens) Vitamin K (leafy greens, broccoli , cauliflower) Folate (dark leafy greens, citrus fruits, legumes )

158. Which part of the body helps elephants to control their temperature?

جسم کا کون سا حصہ ہاتھیوں کو درجہ حرارت کو کنٹرول کرنے میں مدد کرتا ہے؟

Check answer and explanation

Answer: Ears

Explanation Elephants have large ears that help them to control their body temperature. The ears are made up of thin skin and have many blood vessels close to the surface , which allows them to release excess heat. By flapping their ears , elephants can create a breeze that helps to cool themselves down.

159. Which of the following is an example of compound machine? Scissors, Pliers, Pulley, None of these

مندرجہ ذیل میں سے کون سی کمپاؤنڈ مشین کی مثال ہے؟

Check answer and explanation

Answer: Scissors

Explanation A compound machine is a machine that is made up of two or more simple machines. A bicycle, a crane, wheel borrow and scissors are examples of compound machines because they are made up of multiple simple machines , such as: Wheels and axles (simple machine: wheel) Pedals and levers (simple machine: lever) Gears and pulleys (simple machine: pulley) Inclined planes (simple machine: inclined plane)

160. The largest organ in human with the respect to surface area is?

سطحی رقبہ کے لحاظ سے انسان کا سب سے بڑا عضو کونسا ہے؟

Check answer and explanation

Answer: Skin

Explanation Skin is the largest organ of our body. The skin is made up of three main layers: the epidermis, dermis and subcutis. It covering approximately 22 square feet (2 square meters) in adults.

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