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.
سائنسدانوں کے مطابق زمین تقریباً _____ سال پہلے بنی تھی۔
A. 3.5 billion
B. 4.6 billion
C. 5.6 billion
D. 5.6 million
Check answer and explanation
Answer: 4.6 billion
Explanation Fifth largest planet in the solar system is: Earth Earth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date.
Explanation Titan is the largest moon of Saturn . It is also the second-largest moon in the solar system after Ganymede . It has a thick atmosphere mainly of nitrogen . Titan is larger than the planet Mercury in size. Last verified on 02-05-2026
Explanation The Sun is a 4.5 billion-year-old yellow dwarf star The Sun is a hot glowing ball of hydrogen and helium *** 5 billion years the Sun will become a big, cool star called a red giant . A few billion years after that, it will become a small white dwarf star. *** ND16-12-2022
Explanation Earth is the densest planet in the solar system, with an average density of 5.52 g/cm³ . Its high density is due to a large iron-nickel core and rocky mantle . Saturn is the least densest planet in the solar system.
Explanation Mercury is the only planet without any kind of atmosphere It's the first planet from the Sun It is a rocky planet with a trace atmosphere It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). Mercury consists of approximately 70% metallic and 30% silicate material.
Explanation Asteroids are rocky worlds revolving around the sun that are too small to be called planet s. They are also known as planetoids or minor planets.
زمین کے مقناطیسی میدان میں ہمیشہ ایک افقی جزو ہوتا ہے سوائے اس کے
A. None of these
B. Equator
C. Magnetic Pole
D. At 60 degrees latitude
Check answer and explanation
Answer: Magnetic Pole
Explanation Except at the magnetic pole , the Earth's magnetic field is always horizontal the horizontal component of the earth's magnetic field is zero at the magnetic poles. Hence, Earth's magnetic field always has a horizontal component except at the magnetic poles where it is zero. ND06-08-2023
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