GENERAL SCIENCE
MCQ Question with Answers Class 1 to 12 in Pdf
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
فوٹو سنتھیس کے لیے دن کے وقت، پودوں کو ______ کی ضرورت ہوتی ہے؟
O2
N2
CO2
H2
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Explanation
During the daytime , plants require Carbon Dioxide (CO2) for photosynthesis. Which is the process by which they produce glucose and oxygen. Last updated by NA on 05-11-2026
سورج اور زمین کے درمیان اوسط فاصلہ کیا ہے؟
130 million kilometers
120 million kilometers
180 million kilometers
150 million kilometers
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Explanation
The average distance from the Earth to the Sun is approximately 150 million kilometers. It is also called 1 astronomical un it (or AU). Last updated by NA on 04-11-2026
وٹامن کی کی کمی کا سبب کیا ہے؟
Rickets
Anemia
Prolong bleeding / Blood clotting disorder
None of these
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Explanation
Vitamin K is essential for the production of blood-clotting proteins. Its deficiency reduces the blood's ability to clot, causing prolonged bleeding . It may lead to easy bruising, nosebleed s and excessive bleeding from wounds. Vitamin K is found in green leafy vegetables such as spinach, kale and broccoli. Last verified on 02-11-2026
آیوڈین کی کمی سے کون سی بیماری ہوتی ہے؟
Imbalances in fluid volume in the vessels and tissues
Goiter
Tetnas
Cancer
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Explanation
Iodine deficiency causes goiter , an enlargement of the thyroid gland . Iodine is essential for the production of thyroid hormones . Severe iodine deficiency during pregnancy or early childhood can impair brain development. Last verified on 07-09-2026
زمین پر پانی کا کتنا فیصد میٹھا پانی ہے؟
2.5%
3.5%
4.5%
5.5%
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Explanation
Only about 2.5% or 0.025 (3%) of the water on Earth is freshwater , which is vital for human consumption, agriculture, and ecosystem health. The remaining 97.5% (97%) is saltwater , found in oceans, seas, and salt lakes. Last verified on 02-11-2026
آئرن کی کمی سے کون سی بیماری ہوتی ہے؟
Berberi
Anaemia
Rickets
Scurvy
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Explanation
Iron deficiency can lead to Anaemia , a condition characterized by:
Low red blood cell count Pale skin Fatigue Shortness of breath Dizziness Last verified on 02-11-2026
0.90 gm/cm³
8.1 gm/cm³
9.0 gm/cm³
None of these
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Explanation
Initial water = 20 cm³ Final water after balls = 50 cm³
Volume of balls = 50 - 20 = 30 cm³
Mass of 10 balls = 10 x 27g = 270g
Density = Mass / Volume
Density = 270 / 30
Density = 9.0 gm/cm³
Last verified on 31-10-2026
تمام برقی مقناطیسی لہریں خلا میں کس رفتار سے سفر کرتی ہیں؟
The different speed
The same speed
The increasing speed
The decreasing speed
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Explanation
All electromagnetic waves (like light, X-rays, and radio waves) travel through a vacuum at the same constant speed . It is approximately 3 × 10⁸ meters per second. This speed is known as the speed of light in a vacuum. Last verified on 31-10-2026
نیوٹن کے حرکت کے پہلے قانون کو کس نام سے بھی جانا جاتا ہے؟
Law of conservation of energy.
Law of momentum.
Law of inertia.
Law of force.
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Explanation
Newton’s First Law of Motion is also called the Law of Inertia . It states that an object remains at rest or continues moving at a constant velocity in a straight line unless acted upon by an unbalanced external force. Inertia is the tendency of an object to resist changes in its state of rest or motion. Proposed by: Sir Isaac Newton in Principia Mathematica (1687). Last verified on 15-10-2026
دو نقاط کے درمیان مختصر ترین فاصلہ کیا کہلاتا ہے؟
Distance
Speed
Displacement
Velocity
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Explanation
Displacement is the straight-line change in position from an initial point to a final point. It is a vector quantity, having both magnitude and direction . Last verified on 31-10-2026
