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.

Return to all Everyday Science topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a Everyday Science practice quiz.

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.

231. Increased levels of air pollution results in _______.

فضائی آلودگی کی بڑھتی ہوئی سطح کا نتیجہ کیا ہوتا ہے؟

Check answer and explanation

Answer: Respiratory problems

Explanation Air pollutants such as ozone and particulate matter (PM) increase the amount and seriousness of lung and heart disease and other health problems. AGM 02.05.2023

232. Energy generation in stars is due to

ستاروں میں توانائی کی پیداوار کس کی وجہ سے ہے

Check answer and explanation

Answer: Fusion of light nuclei

Explanation Energy has been around since the dawn of time. The first source of energy was the sun , as it provided heat and light during the day. Energy generation in stars is due to nuclear fusion.

233. In a very low temperature which from the following will freeze at last?

انتہائی کم درجہ حرارت میں آخر میں کون سا درجہ حرارت جم جائے گا؟

Check answer and explanation

Answer: Sea water

Explanation Sea water, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface.

234. What is the true color of sunlight?

سورج کی روشنی کا اصل رنگ کیا ہے؟

Check answer and explanation

Answer: White

Explanation Sunlight is white but appears yellow due to light scattering in the Earth's atmosphere.

235. The Beaufort scale is used to measure.

بیفورٹ پیمانہ کس پیمائش کے لیے استعمال کیا جاتا ہے۔

Check answer and explanation

Answer: wind velocity

Explanation The Beaufort scale is used to measure and detail the consequences of different wind speeds on objects on land or at sea. The Beaufort numbers in the Beaufort scale are arranged from 0 to 12 t o represent the wind strength from calm (force 0) to the hurricane ( force 12). ND17-7-2023

236. Soil Pollution is caused by what?

مٹی کی آلودگی کس وجہ سے ہوتی ہے؟

Check answer and explanation

Answer: Acid Rain

Explanation Soil pollution is primarily caused by acid rain. A cid rain contains pollutants like sulfuric and nitric acids, which can degrade soil quality by altering its pH and harming plant life.

237. The rate of decomposition of plants and animals is lowest in which of the following habitats?

پودوں اور جانوروں کے گلنے کی شرح مندرجہ ذیل میں سے کس رہائش گاہ میں سب سے کم ہے؟

Check answer and explanation

Answer: Desert

Explanation Decomposition is slow in deserts due to low moisture and extreme temperatures. Lack of water limits microbial activity , reducing the breakdown of organic matter.

238. When sea waves erode the base of the cliff, deep depressions are formed in the cliff, such depressions are called ______?

جب سمندری لہریں پہاڑ کی بنیاد کو ختم کردیتی ہیں تو ، پہاڑ میں گہری افسردگی پیدا ہوتی ہے ، اس طرح کے افسردگیوں کو ______ کہتے ہیں؟

Check answer and explanation

Answer: Sea Caves

Explanation Sea caves are formed when sea waves erode the base of a cliff, creating deep depressions in the rock. These caves are typically shaped by the continuous action of water eroding the rock over time.

239. The main factor determining a region's climate is?

خطے کی آب و ہوا کا تعین کرنے والا اہم عنصر کون سا ہے؟

Check answer and explanation

Answer: latitude

Explanation The main factor determining a region's climate is latitude. The elements affecting the climate are latitude, altitude and pressure and winds, distance from the sea (continentality), ocean currents, and relief features . Latitude and altitude: The most important climatic control is latitude. Latitude affects the temperature of a place SH3-8-2023

240. The insect, bacteria, small animals and fungi living in the soil feed on dead decaying bodies of plants and animals are called?

مٹی میں رہنے والے کیڑے، بیکٹیریا، چھوٹے جانور اور پھپھوند پودوں اور جانوروں کے مردہ بوسیدہ جسموں کو خوراک ______ کہتے ہیں؟

Check answer and explanation

Answer: Decomposers

Explanation Decomposers are organisms that break down dead organic matter, releasing nutrients back into the ecosystem. This includes insects, bacteria, fungi, and small animals that feed on dead decaying bodies of plants and animals .

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