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.
زمین کے ماحول میں موجود کون سی گیس شمسی الٹرا وائلنٹ شعاعوں کو جذب کر سکتی ہے؟
A. Oxygen
B. Carbon Dioxide
C. Ozone
D. Nitrogen
Check answer and explanation
Answer: Ozone
Explanation The ozone layer protects living things from too much ultraviolet from entering the atomsphere. Oxygen layer in the atmosphere Ozone protects us from the harmful ultraviolet radiation of the sun. Ozone formula : O3 The ozone layer lies approximately 15-40 kilometers (10-25 miles) above the Earth's surface, in the stratosphere. The ozone layer is depleting : Air pollution
ماحول کی نمی کی پیمائش کسی آلے کے ذریعے کی جاتی ہے؟
A. Hygrometer
B. None of these
C. Carbohydrates
D. Barometer
Check answer and explanation
Answer: Hygrometer
Explanation Humidity in the air was measured by a Hygrometer. **** A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer. hygrometer. *** The humidity in the air tells us about the ratio of Water vapors in the air
D. Part of earth, water and atomsphere inhabited by living organisam
Check answer and explanation
Answer: Atomspher in which life exists
Explanation The biosphere is made up of the parts of Earth where life exists—all ecosystems. The biosphere is defined as the region on, above , and below the Earth's surface The biosphere is a zone on the surface of the earth where soil, water, and ai r combine to sustain life. Life can only occur in this zone ND-21-5-2023
اوزون کی تہہ مندرجہ ذیل میں سے کس کو محدود کرتی ہے؟
A. Infrared Rays
B. Ultraviolet Rays
C. Gamma Rays
D. X-Rays
Check answer and explanation
Answer: Ultraviolet Rays
Explanation The ozone layer in the stratosphere absorbs and restricts ultraviolet (UV) radiation from the sun. It protecting life on Earth from harmful UV rays.
Explanation Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Photochemical Smog’s new type of smog was first described in the 1950s.
Explanation Rainbows occur when sunlight is refracted, reflected, and dispersed in water droplets , creating a spectrum of colors . When light meets a water droplet, It is refracted at the boundary of air and water , and enters the droplet Where the light is dispersed into the seven colors
Explanation The atmosphere is the gaseous layer that surrounds the Earth. It is composed mainly of nitrogen, oxygen, and trace gases. It plays a crucial role in protecting life on Earth by filtering harmful radiation and regulating temperature.
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