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.
Explanation When the moon isn't visible from Earth, it's th e New Moon phase, occurring when the Moon is between the Earth and Sun , so the sunlit side faces away from us, making it appear dark or invisible. New Moon Full Moon (fully visible) First Quarter (half visible) Last Quarter (half visible)
صنعتی سرگرمیوں میں اضافہ براہِ راست کس چیز کا باعث بنتا ہے؟
A. Reduction in fuel use
B. Increase in energy consumption
C. No effect on energy
D. None of these
Check answer and explanation
Answer: Increase in energy consumption
Explanation Industrial growth requires more machinery, production, and transport . All these processes need more energy to operate. Therefore, increased industrial activity directly leads to higher energy consumption. Most industries rely on fossil fuels and electricity. Last verified on 06-05-2026
زمین کا ماحول مختلف شعبوں سے بنا ہے۔ فضا کے کس حصے میں کمرشل ہوائی جہاز عموماً اڑتے ہیں
A. Thermosphere
B. Stratosphere
C. Mesosphere
D. Troposphere
Check answer and explanation
Answer: Stratosphere
Explanation The atmosphere is comprised of layers based on temperature. These layers are the troposphere stratosphere mesosphere thermosphere A further region at about 500 km above the Earth's surface is called the exosphere.
Explanation Chlorophyll is a green pigment found in the chloroplasts of plant cells and is essential for photosynthesis The process by which plants convert light energy into chemical energy to produce sugars from carbon dioxide and water. Chlorophyll absorbs light energy , particularly in the blue and red regions of the visible spectrum, While reflecting green light, giving leaves their characteristic green color. This absorption of light energy by chlorophyll initiates the process of photosynthesis, allowing plants to produce their own food.
کون سا بین الاقوامی معاہدہ اوزون کی تہہ کے تحفظ سے متعلق ہے؟
A. Kyoto Protocol
B. Montreal Protocol
C. Vienna Convention
D. None of these
Check answer and explanation
Answer: Montreal Protocol
Explanation Montreal Protocol is an international treaty designed to protect the ozone layer, agreed on 16 September 1987 , and entered into force on 1 January 1989 .
A. By counting the number of rings on its stem/trunk
B. By numbers of leaves
C. By bulk of the tree
D. By thickness of the bark
Check answer and explanation
Answer: By counting the number of rings on its stem/trunk
Explanation The age of a tree is determined by counting its growth rings. They are visible in the cross-section of the stem. Each ring represents one year of growth.
Explanation Water is used for various recreational activities like swimming, rafting, and boating. These activities promote physical health . These are popular in tourism and leisure industries.