Atmosphere MCQs - Everyday Science Practice | PakExamPoint

Practise Atmosphere MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.

Atmosphere MCQs and revision practice

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.

Continue your revision with related topics: 100 Most Repeated MCQs of EDS PDF MCQs, Alloy MCQs, Basics of Every Day Science EDS MCQs, Biology MCQs, Botany MCQs, Branch of Science MCQs, Cell MCQs, Chemistry MCQs.

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Atmosphere: 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.

271. The community of biotic and abiotic components and their interactions for survival make up an?

حیاتیاتی اور ابیوٹک اجزاء کی کمیونٹی اور بقا کے لیے ان کے تعاملات کیا ہیں؟

Check answer and explanation

Answer: Ecosystem

Explanation The community of biotic (living) and abiotic (non-living) components and their interactions for survival make up an ecosystem . An ecosystem includes all the living things (plants, animals, microorganisms) Non-living things (water, air, soil, sunlight) in a particular area, and how they interact with each other .

272. The major pollutants present in the air is _____?

ہوا میں موجود بڑے آلودگی _____ ہے؟

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Answer: All of these

Explanation Carbon dioxide, methane, and chlorofluorocarbons (CFS) are all significant air pollutants. They contribute to global warming, ozone depletion, and air quality deterioration.

273. The magnet always points in the same direction if move freely i.e. towards north and south poles, because of:

مقناطیس ہمیشہ ایک ہی سمت کی طرف اشارہ کرتا ہے اگر آزادانہ طور پر حرکت کرے یعنی شمالی اور جنوبی قطبوں کی طرف، کیونکہ

Check answer and explanation

Answer: Earth is a huge magnet

Explanation The Earth's South Magnetic Pole is geographically north, and the Earth's magnetic North Pole is geographically south, so free-moving magnets are always north-south.

274. The top color of the rainbow?

اندردخش کا سب سے اوپر کا رنگ؟

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Answer: Red

Explanation Red is the top (outermost) color of the rainbow. Due to having the longest wavelength of visible light (approx. 620–750 nm) There are seven colours in a rainbow: 1. Red 2. Orange 3. Yellow 4. Green 5. Blue 6. Indigo 7. Violet Last updated question 26 feb 2026

275. Huge cloud of gass and dust in the universe is called?

کائنات میں گیس اور گردوغبار کے بڑے بادل کو کہتے ہیں؟

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Answer: Nebula

Explanation Gigantic clouds of dust and gas in space are called nebulae Primarily hydrogen and helium , plus dust (silicates, carbon, ice). Occupying the space between stars and acting as a nursery for new stars

276. The layers of atmosphere are divided into ____ layers.

فضا کی تہوں کو کتنے تہوں میں تقسیم کیا گیا ہے۔

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Answer: 5

Explanation Atmosphere is divided into Five layers/parts: Troposphere Stratosphere Mesosphere Thermosphere Exosphere

277. The bacteria and fungi belongs to group of biotic component known as?

بیکٹیریا اور فنگس کا تعلق حیاتیاتی اجزاء کے گروپ سے ہے جسے _____ کہا جاتا ہے؟

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Answer: Decomposers

Explanation Bacteria and fungi are examples of decomposers. Which are organisms that break down dead organic matter into simpler compounds, releasing nutrients back into the ecosystem. This process is essential for nutrient cycling and the health of ecosystems.

278. Among Fog,Hail,Snowfall and Rains all are forms of precipitation except ___ :

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Answer: Fog

Explanation Fog shows up when water vapor, or water in its gaseous form, condenses.

279. Air also contains some amount of ______?

ہوا میں ______ کی کچھ مقدار بھی ہوتی ہے؟

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Answer: All of the above

Explanation Air contains water vapour, smoke, dust particles, and ozone in varying amounts. These components are naturally present in the atmosphere, contributing to various environmental and weather phenomena.

280. Tropical cyclone becomes a hurricane at speeds more than _____?

ٹراپیکل سائیکلون کس رفتار سے زیادہ ہونے پر ہریکین کہلاتا ہے؟

Check answer and explanation

Answer: 74 mph

Explanation 74 mph and above: Hurricane Below 39 mph : Tropical Depression 39–73 mph: Tropical Storm Additional Information : Hurricanes are called Typhoons in the Western Pacific . They cause heavy rainfall, strong winds, and coastal flooding . Last verified on 17-01-2026

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