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.

161. Which instrument is used to measure the wind direction?

ہوا کی سمت کی پیمائش کے لیے کون سا آلہ استعمال ہوتا ہے؟

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Answer: Wind Vane

Explanation A wind vane (also called a weather vane ) shows the direction from which the wind is blowing. Usually installed on rooftops or meteorological stations. Works with a rotating pointer that aligns with the wind direction. Last verified on 01-02-2026

162. Rainfall is measured using a _____?

بارش کی مقدار کس آلے سے ناپی جاتی ہے؟

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Answer: Rain gauge

Explanation Rainfall is measured using a Rain Gauge . It collects rainwater and measures it in millimeters (mm). Widely used in weather forecasting and meteorology . Helps in studying climate and agriculture patterns. Last verified on 31-03-2026

163. The climate of Pakistan is mostly_____________?

پاکستان کی آب و ہوا زیادہ تر ____________ ہے؟

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Answer: Hot and dry

Explanation Temperature: High during the day (often above 35°C or 95°F), cooler at night. Rainfall: Very low, usually less than 250 mm (10 inches) per year. Humidity : Low, making the air feel dry. Examples: Sahara Desert (Africa), Arabian Desert (Middle East), parts of Arizona and Nevada (USA). Vegetation is sparse, and plants/animals are adapted to conserve water.

164. Maximum portion of atmosphere on Earth is :

زمین پر ماحول کا زیادہ سے زیادہ حصہ ہے

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Answer: Nitrogen

Explanation Dry air from Earth's atmosphere contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and traces of hydrogen, helium, and other "noble" gases (by volume), but generally a variable amount of water vapor is also present, on average about 1% at sea level.

165. Which contributes most to global warming on a per-molecule basis?

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Answer: N₂O

Explanation Nitrous Oxide is significantly more potent at trapping heat than methane and carbon dioxide N2O absorbs infrared radiation very strongly and stays long in the atmosphere. It has a GWP of approximately 265–298, making it nearly 300 times more potent than CO₂ per unit

166. Air pollution effects :

فضائی آلودگی کے اثرات

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Answer: Depletion of Ozone Layer

Explanation It is made of O3 Oxygen layer in atmosphere Ozone protects us from the harmful ultraviolent radiations of the sun. Ozone formula : O3

167. Which of the following factors does not positively contribute to climate change? Afforestation, Emission Trading System, Non-renewable energy, All of these

درج ذیل میں سے کون سا عامل موسمیاتی تبدیلی میں مثبت کردار ادا نہیں کرتا؟

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Answer: Non-renewable energy

Explanation Climate change is mainly affected by energy use and environmental policies. Non-renewable energy (coal, oil, gas) increases carbon emissions, so it does not positively contribute . Afforestation helps reduce CO₂ and improves climate. Emission Trading System encourages reduction of emissions. Therefore, non-renewable energy is harmful for climate balance. Last verified on 01-05-2026

168. The state of the air and atmosphere at a particular place and time mcqs

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Answer: Weather

Explanation Weather is a short-term phenomenon which describes the state of the atmosphere at a particular place and time. The climate of a place indicates the weather of a place over a long period of time . The difference between Weather and Climate is a measure of time. AGM 30.4.23

169. Living things in an environment are called?

ماحول میں رہنے والی چیزوں کو کیا کہتے ہیں؟

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Answer: Biotic Components

Explanation Biotic components refer to the living things in an environment. Including plants, animals , microorganisms, and fungi.

170. The animals that get their food by eating plants or other animals are called?

وہ جانور جو پودے یا دوسرے جانور کھا کر اپنی خوراک حاصل کرتے ہیں انہیں _____ کہتے ہیں؟

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Answer: Consumers

Explanation Consumers are the animals that get their food by eating plants or other animals. This includes herbivores (plant-eaters) , carnivores (meat-eaters), omnivores (both plant and meat-eaters) , and decomposers (break down dead organic matter ).

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