Practise Atmosphere MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Atmosphere through multiple-choice questions in Everyday Science. This subtopic contains 291 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Atmosphere 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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ایک 'سائیکلون' کس وجہ سے پیدا ہوتا ہے؟
Answer: Low pressure
Explanation Cyclones are usually accompanied by high rainfall. heavy showers mean: A period of heavy rain Cyclones mean ایک قسم کی طوفان heavy showers زیادہ بارش/ بھاری بارش
Answer: ہوائی
Explanation بنیادی طور پر شہری اور صنعتی علاقوں میں ہوائی آلودگی زیادہ ہوتی ہے کیونکہ ان علاقوں میں گاڑیوں، فیکٹریوں اور دیگر صنعتی سرگرمیوں سے زہریلے گیسوں کا اخراج ہوتا ہے۔ یہ آلودگی فضا میں موجود ہوتی ہے اور انسانوں اور ماحول کے لیے نقصان دہ ثابت ہو سکتی ہے۔
گرین ہاؤس گیس جو زمین کے درجہ حرارت کو برقرار رکھتی ہے ______ ہے؟
Answer: Carbon dioxide
Explanation Carbon dioxide (CO₂) is a major greenhouse gas that helps trap heat in the Earth’s atmosphere. It plays a key role in maintaining Earth’s temperature but excess CO₂ leads to global warming .
یہ ماحول میں گیس کی تہہ ہے جو سورج سے آنے والی نقصان دہ بالائے بنفشی شعاعوں کو جذب کرتی ہے؟
Answer: Ozone Layer
Explanation The ozone layer is a layer of gas in the stratosphere that contains a high concentration of ozone (O3) . It absorbs most of the sun's ultraviolet (UV) radiation , protecting the Earth from harmful UV rays.
اگر آلودگی کا ماخذ اسٹیشنری یا متحرک ہے تو پھر اسے _____ کہا جاتا ہے؟
Answer: Point source of pollution
Explanation A point source of pollution refers to a fixed or stationary location, like a factory chimney or wastewater outlet. It contrasts with mobile sources (like vehicles) or diffuse sources (like agricultural runoff).
سورج سے زمین کے ماحول میں داخل ہونے والی توانائی کتنی ہے؟
Answer: 99.9%
Explanation 99.9% to 100% of the energy entering the earth's atmosphere comes from the sun. 51% of the incoming energy is absorbed by the earth's surface i.e. the land and oceans.
Answer: Fricatives
Explanation Fricatives are the kinds of sounds usually associated with letters such as f, s; v, z, in which the air passes through a narrow constriction that causes the air to flow turbulently and thus create a noisy sound.
زیادہ تر موسمی مظاہر فضا کی درج ذیل میں سے کس تہہ میں رونما ہوتے ہیں؟
Answer: Troposphere
Explanation Most of the weather phenomena take place in the Troposphere layers of the atmosphere *** Almost all the water vapor in the atmosphere is contained in the troposphere. All weather-related phenomena such as the formation o f clouds, rain, fog, winds, and storm take place in the troposphere.
زمین اور ماحول پر پانی سمیت زمین کے تقریبا %50 پرت ______ ہے؟
Answer: Oxygen
Explanation Priestly discover oxygen in 1776 . Oxygen makes up about 46-50% of the Earth's crust by weight, mainly in the form of oxides and silicates . It is also a major component of water (H₂O). It is abundant in the atmosphere as O₂ .
سورج سے آنے والی الٹرا وائلٹ شعاعوں کو فلٹر کیا جاتا ہے۔
Answer: Ozone Layer
Explanation The ultraviolent rays are filtered through Ozone Layer. The ozone layer, often known as the ozone shield is a part of the Stratosphere. ND12_8_2023
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