Practise General Science Class 7 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study General Science Class 7 MCQs through multiple-choice questions in General Science. This subtopic contains 255 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these General Science Class 7 MCQs 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: Biology Class 10th MCQs MCQs, Biology Class 9th MCQs MCQs, Chemistry Class 10th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 4 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs.
Return to all General Science topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a General Science practice quiz.
Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.
قوس قزح ______ کی وجہ سے بنتی ہے؟
Answer: Refraction of light
Explanation A rainbow forms when sunlight is refracted, reflected, and dispersed through water droplets in the atmosphere. Refraction bends the light, while dispersion separates it into seven colors , creating a rainbow.
پانی کی نقل و حمل جڑوں، تنے اور پتوں میں لگاتار ٹیوبوں کے ذریعے ہوتی ہے اسے کیا کہتے ہیں؟
Answer: Xylem
Explanation Xylem is the plant tissue responsible for transporting water and minerals from roots → stem → leaves . It consists of continuous tubes made of dead cells for easy water flow. Additional information : Phloem : Transports food (sugars) from leaves to other parts Last verified on 10-02-2026
مندرجہ ذیل میں سے کون سا ہارمونکس بنیادی سے پچ میں دو آکٹیو زیادہ ہے؟
Answer: Fourth
Explanation To find the harmonic that is two octaves higher in pitch than the fundamental, we need to consider the frequency multiplication. One octave higher = 2 × fundamental frequency Two octaves higher = 2 × 2 × fundamental frequency = 4 × fundamental frequency The fourth harmonic has a frequency four times the fundamental frequency, which corresponds to two octaves higher.
ایٹم کے نیوکلئس میں پروٹان اور نیوٹران کا مجموعہ ____ کے نام سے جانا جاتا ہے؟
Answer: Mass Number
Explanation The mass number (A) is the sum of protons and neutrons present in the nucleus of an atom. It is a measure of the total number of nucleons (protons and neutrons) in the nucleus. It helps determine the atomic mass and distinguishes isotopes of an element. Last verified on 19-03-2026
جو ایٹم الیکٹران کھو دیتے ہیں وہ مثبت طور پر چارج شدہ آئن بن جائیں گے اور انہیں کیا کہا جاتا ہے؟
Answer: Cations
Explanation Atoms that lose electrons become positively charged ions , called cations . This is because losing negatively charged electrons leaves more protons than electrons.
جدید متواتر جدول میں، کتنے گروہ ہیں؟
Answer: 18
Explanation In the modern periodic table , there are 18 groups (vertical columns) and 7 periods (horizontal rows).
ایک ایٹم کو دوسرے ایٹموں کے ساتھ ملا کر مالیکیول یا مرکبات بنانے کی طاقت کو _____ کہتے ہیں؟
Answer: Valency
Explanation Valency is the combining capacity of an atom to form molecules or compounds. It depends on the number of electrons an atom can lose, gain, or share to complete its outer shell. Last verified on 15-03-2026
توانائی کی وہ شکل جو زیادہ درجہ حرارت والے علاقے سے کم درجہ حرارت والے علاقے میں بہتی ہے اسے کیا کہا جاتا ہے؟
Answer: Heat
Explanation Heat is a form of energy that flows from a region of high temperature to a region of low temperature. This flow of energy occurs through the transfer of kinetic energy from particles in motion.
جسم میں بلڈ پریشر کی نارمل قدر کیا ہے؟
Answer: 80 to 120mg/100 ml of blood
Explanation A fasting blood sugar level of 99 mg/dL or lower is normal, 100 to 125 mg/dL indicates you have prediabetes, and 126 mg/dL or higher indicates you have diabetes
ایک سیکنڈ میں ہلنے والے جسم سے پیدا ہونے والی کمپن کی تعداد کو ____ کہتے ہیں؟
Answer: Frequency
Explanation Frequency is the number of vibrations or oscillations produced by a vibrating body in one second. It's measured in Hertz (Hz) , where 1 Hz equals one vibration per second.
Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.