Planets MCQs - Everyday Science Practice | PakExamPoint
Practise Planets MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Planets MCQs and revision practice
Study Planets through multiple-choice questions in Everyday Science. This subtopic contains 341 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Planets 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 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.
Explanation Earth is the biggest of all the terrestrial planets. It has temperature, weather , atmosphere and many other factors . Its surface 30% is covered with land and 70% with water . It has only one moon called Luna .
Explanation The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, experiences gravitational pull from all directions & the weight of an object maximum on earth is on the poles
Explanation An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
سورج کے گرد گھومنے والے سیاروں، چاندوں، کشودرگروں، دومکیتوں اور چھوٹے ملبے جیسے میٹروائیڈس کا مجموعہ کہلاتا ہے؟
A. Solar System
B. Universe
C. Cosmos
D. Galaxy
Check answer and explanation
Answer: Solar System
Explanation The Solar System consists of eight planets (Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter), dwarf planets, asteroids, comets, meteoroids. Other smaller bodies that orbit around the Sun due to its gravitational pull.
چاند کے بعد رات کے آسمان میں دوسری روشن ترین چیز کون سی ہے؟
A. Venus
B. Earth
C. Jupiter
D. Mercury
Check answer and explanation
Answer: Venus
Explanation Venus is the brightest planet. It has an atmosphere but no moons. It's identical in size, chemistry and gravity. It has volcanoes, mountains and sand. It's also called Sister Planet of the Earth.
Explanation The smallest planet in terms of mass and volume is Mercury. With a diameter of 4,879 km and 3.3010 x 1023 kg, this small world weighs about one-twentieth the mass of the Earth and is about one-2.5th the diameter. In fact, Mercury is closer to our moon than Earth.
Explanation Jupiter is largest planet. It's a very stormy planet. It has great red spot . It has largest moon; ganymede . It was discovered by Galileo in 16th century.
Explanation Studies show that it takes an average of 8 minutes and 20 seconds for sunlight to move from the sun to the earth. Sunlight moves at the speed of light. You can see that the distance of the sun from the earth = 149.6 x 106 km . Photons emitted from the surface of the sun need to traverse the vacuum of the universe to reach our eyes.
Explanation All about "eight planets" and Important Question 1. Mercury Number of moons in Mercury: 0 Mercury is the smallest planet in our solar system Swift Planet for Mercury *** 2. Venus Eight planets in the solar system Venus is the hottest planet in the solar system The black planet is called Venus The second closest planet to the sun is Venus Which is the slowest Rotating Planet? Venus Which planet has no moon ? Venus Number of moons in Venus: 0 Which planet has a similar size to Earth? Venus *** 3. Earth and Moon Blue Planet for Earth The planet which has the highest density is? Earth Number of moons on Earth: 1 Which planet is known as a watery planet ? Earth 75% of Earth’s surface is covered by water **** 4. Mars Red Planet for Mars Number of moons on Mars: 2 **** 5. Jupiter Jupiter is the largest and 5th planet in our solar system and is close to the sun The planet of the solar system which has the maximum number of Moon is: Jupiter The great spot i s on the Planet is: Jupiter Giant Planet for Jupiter Jupiter is the fastest-rotating planet. Number of moons in Jupiter: 92 **** 6. Saturn Ringed Planet for Saturn Which planet is the least dense ? Saturn Which of the following planet has rings around its surface? Saturn Number of moons in Saturn: 83 **** 7. Uranus Ice Giant for Uranus Number of moons in Uranus: 27 *** 8. Neptune Neptune is one of two ice giants in the outer solar system Big Blue Planet f or Neptune. Neptune has six rings Number of moons in Neptune: 14 ND5-5-2023 اس ٹاپک کے متعلق انتہائی اہم سوالات پڑھیں Planets
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