General Science Class 7 MCQs MCQs - General Science Practice | PakExamPoint

Practise General Science Class 7 MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.

General Science Class 7 MCQs MCQs and revision practice

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.

General Science Class 7 MCQs: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

1. In human and higher animals the exchange of gases is carried put by _____?

انسانی اور اعلیٰ جانوروں میں گیسوں کا تبادلہ _____ کے ذریعے کیا جاتا ہے؟

Check answer and explanation

Answer: Respiratory processes

Explanation In humans and higher animals, the exchange of gases (oxygen and carbon dioxide) is carried out by the respiratory processes , which include: Breathing (inhalation and exhalation) Transport of gases through the blood Exchange of gases in the lungs (oxygen in, carbon dioxide out)

2. Over-eating or eating spicy food causes _____?

زیادہ کھانا یا مسالہ دار کھانا _____ کا سبب بنتا ہے؟

Check answer and explanation

Answer: Ulcer and Obesity

Explanation Over-eating can lead to obesity . While consuming spicy food can irritate the stomach lining. It potentially causing ulcers in susceptible individuals.

3. The interaction of living organisms with each other and with their environment is?

جانداروں کا ایک دوسرے کے ساتھ اور ان کے ماحول کے ساتھ تعامل کیا ہے؟

Check answer and explanation

Answer: Ecosystem

Explanation An ecosystem includes all the living components (biotic factors) like plants, animals, and microorganisms , and non-living components (abiotic factors). Like soil, water, air, and sunlight , interacting with each other.

4. A telescope is an instrument that gathers _______ from distant sources.

دوربین ایک ایسا آلہ ہے جو دور دراز ذرائع سے _______ جمع کرتا ہے۔

Check answer and explanation

Answer: Heat

Explanation A telescope is an instrument that gathers light from distant sources. Such as stars, planets, galaxies , and other celestial objects. It allowing us to study and observe them in greater detail.

5. Which structure prevents the food from entering the larynx during swallowing?

کون سی ساخت خوراک کو نگلنے کے دوران لئرینکس میں داخل ہونے سے روکتی ہے؟

Check answer and explanation

Answer: Epiglottis

Explanation The epiglottis is a flap-like structure that covers the larynx (voice box) during swallowing. It preventing food and liquids from entering the trachea (windpipe). It instead directing them into the esophagus .

6. Periods in the periodic table are ____?

متواتر جدول میں ادوار ____ ہیں؟

Check answer and explanation

Answer: Horizontal rows

Explanation Periods in the periodic table are horizontal rows (left to right). There are 7 periods in total. Elements in a period have the same number of electron shells but different chemical properties. Groups are the vertical columns in the periodic table. There are 18 groups . Elements in the same group have similar chemical properties and the same number of valence electrons.

7. Wavelength symbol “λ” is termed as ____?

Check answer and explanation

Answer: Lambda

Explanation The wavelength of a transverse wave is the distance between two adjacent crests or troughs . It is a fundamental property of waves. It is typically denoted by the symbol λ (lambda).

8. The distance covered by a unit of time is called?

وقت کی اکائی سے طے شدہ فاصلہ کیا کہلاتا ہے؟

Check answer and explanation

Answer: Speed

Explanation The distance traveled by a body in unit time i s called the speed of the body. S.I. unit of speed is meter per second (ms−1). ND11623

9. The evaporation of water from aerial parts of the plant especially through leaves is called?

پودوں کے ہوائی حصوں سے پانی کے بخارات بالخصوص پتوں کے ذریعے نکلنے کو ____ کہتے ہیں؟

Check answer and explanation

Answer: Transpiration

Explanation Transpiration is the process by which water is transported through the plant and evaporates from the aerial parts. Such as leaves, stems, and flowers, primarily through small openings called stomata.

10. The transfer of energy from producers to consumers and then to decomposers is known as ___?

پروڈیوسر سے صارفین اور پھر سڑنے والوں میں توانائی کی منتقلی کو ___ کہا جاتا ہے؟

Check answer and explanation

Answer: Food Chain

Explanation The food chain is the sequence of energy transfer from: Producers ( plants, algae, phytoplankton ) → Consumers (herbivores, carnivores, omnivores) → Decomposers ( fungi, bacteria, insects ) This energy transfer is also known as the energy flow or trophic cascade.

Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.