GENERAL SCIENCE CLASS 7 MCQS
General
Science MCQs Click Here
Show Answers
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
سانس میں _______ شامل ہے؟
Only Mechanical Process
Only Biochemical Process
Mechanical and Biochemical processes
Neither Mechanical nor Biochemical Process
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Respiration involves two main processes:
1. Mechanical Process (Ventilation) :
Breathing in (inhalation) Breathing out (exhalation) Movement of air in and out of the lungs 2. Biochemical Process (Respiratory Exchange) :
Exchange of oxygen and carbon dioxide between the lungs and blood Transport of oxygen and carbon dioxide through the bloodstream Cellular respiration (cellular metabolism)
پتوں سے پودے کے دیگر بافتوں تک مواد/چینی کی نقل و حرکت کو ____ کہتے ہیں؟
Translocation
Photosynthesis
Respiration
Transpiration
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Translocation is the process by which sugars and other organic compounds produced in the leaves (by photosynthesis) are transported to other parts of the plant. Such as roots, stems, and fruits, through the phloem tissue.
چیک کرنے کے لیے اسفیگمومانومیٹر استعمال کیا جاتا ہے؟ ______
Blood pressure
White blood cells
Sugar level
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
We can measure our blood pressure on our own using a digital blood pressure monitor for automated readings or an instrument called a sphygmomanometer for manual readings.
A sphygmomanometer also known as a blood pressure monitor , is a device used to measure blood pressure.
کھانے کا سلسلہ ہمیشہ ____ سے شروع ہوتا ہے؟
Producers
Consumers
Decomposers
Predators
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
A food chain always begins with producers .
It usually green plants or algae , that make their own food through photosynthesis .
They provide the initial energy source for all other organisms ( consumers and decomposers ) in the food chain.
متواتر جدول میں عناصر کو ____ کے مطابق ترتیب دیا جاتا ہے؟
Increasing atomic mass
Decreasing atomic number
Both A and B
Increasing in atomic number
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The modern periodic table is arranged by increasing atomic number (number of protons). This arrangement resolves inconsistencies in earlier tables and groups elements with similar properties together.
ایک ایٹم کا زیادہ سے زیادہ وزن _____ میں مرتکز ہے؟
Electron
Proton
Neutron
Nucleus
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The nucleus contains protons and neutrons , which are much heavier than electrons. Hence, almost all the mass of an atom is concentrated in its nucleus .
ایک وولٹ میٹر ہمیشہ ____ میں ایک سرکٹ میں منسلک ہوتا ہے؟
Series
Parallel
Both A and B
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
A voltmeter measures potential difference (voltage) between two points in a circuit. To do this correctly, it must be connected in parallel with the component across which the voltage is to be measured.
برقی رو کی پیمائش ____ سے ہوتی ہے؟
Ammeter
Voltmeter
Ohmmeter
Multimeter
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
An ammeter is a device specifically designed to measure electric current (in amperes).
سورج سے گرمی زمین تک لہروں کی شکل میں پہنچتی ہے جسے _____ کہتے ہیں؟
Conduction
Radiation
Convection
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The heat from the Sun reaches Earth in the form of electromagnetic waves, which is called radiation . This includes ultraviolet (UV) rays, visible light , and infrared (IR) rays. Radiation is the transfer of energy through electromagnetic waves , without the need for a medium like air or water .
آواز کی وہ خصوصیت جس کے ذریعے ہم شرل اور قبر کی آواز میں فرق کر سکتے ہیں _____ ہے؟
Loudness
Timbre
Tone
Pitch
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Pitch is the characteristic of sound that lets us distinguish between a shrill (high-pitched) sound and a grave (low-pitched) sound. It depends on the frequency of the sound wave — higher frequency means higher pitch.
