GENERAL SCIENCE CLASS 7 MCQS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
خون کی نالیاں جو جسم کے دوسرے حصوں سے دل تک خون لے جاتی ہیں ان کو _____ کہتے ہیں؟
Arteries
Capillaries
Veins
None
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Explanation
Veins are the blood vessels that carry blood from other parts of the body back to the heart. They have one-way valves that prevent blood from flowing backwards and ensure it keeps moving towards the heart.
چیک کرنے کے لیے اسفیگمومانومیٹر استعمال کیا جاتا ہے؟ ______
Blood pressure
White blood cells
Sugar level
None
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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.
کھانا عام طور پر _____ میں ہضم ہوتا ہے؟
Large intestine
Stomach
Small Intestine
Mouth
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Explanation
Most of our nutrient absorption takes place in the small intestine. Where specialized enzymes and absorptive cells (enterocytes) break down. It absorb nutrients from food into the bloodstream.
جب سفید روشنی کسی پرزم سے گزرتی ہے تو یہ کتنے رنگوں میں تقسیم ہو جاتی ہے۔
7
8
2
4
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Explanation
When white light passes through a prism, it splits into 7 colors , forming a spectrum known as a rainbow :
Red Orange Yellow Green Blue Indigo Violet The separation of visible light into its different colours is known as dispersion.
ای۔سی۔جی کا استعمال _____ کی بیماری کی تشخیص کے لیے کیا جاتا ہے؟
Brain
Heart
Liver
Kidneys
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Explanation
ECG (Electrocardiogram) is a test used to measure the electrical activity of the heart . It is commonly used for the diagnosis of heart-related ailments, such as:
Arrhythmias (irregular heart rhythms) Coronary artery disease Cardiac arrests Heart failure
اوسط بالغ کے خون کا حجم تقریباً کتنے لیٹر ہوتا ہے۔
6
4
8
5
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Explanation
Approximately 7–8% of an adult’s body weight Approximately 8–9% of a child’s body weight Approximately 9–10% of an infant’s body weight =========
Blood is a body fluid present in animals that consists of plasma, white blood cells, red blood cells, and platelets.
humans have around 5 liters of blood in their bodies.
The volume of blood is approximately 5.5 liters in each adult male and 4.5 liters in female.
ایک نوری سال کا تعلق ____ سے ہے؟
Time
Distance
Frequency
None
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Explanation
Light year refers to speed of light expressed in miles per year
(it is about ten trillion kilometers or six trillion miles ).
Light year is a unit of distance .
Light Year: the distance that light can travel in one year.
The distance light travels in one year is known as the light year.
1 light year is equal to 9.5 x 10^12 km
Planet
Element
Asteroid
Star
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Explanation
The Sun is a star.
There are lots of stars, but the Sun is the closest one to Earth.
It is the center of our solar system.
The Sun is a hot ball of glowing gases.
The sun is composed of layers made up almost entirely of hydrogen and helium.
AGM 09-2-2023
Isaac Newton
Albert Einstein
Galileo Galilei
Johannes Kepler
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Explanation
Galileo Galilei is credited with creating his own improved version of the telescope in 1609, based on the design of the " Dutch perspective glasses ". Although he did not invent the telescope, his improvements to the design and his astronomical discoveries using the telescope made him a key figure in its history.
دوربین ایک ایسا آلہ ہے جو دور دراز ذرائع سے _______ جمع کرتا ہے۔
Sound
Light
Heat
Water
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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.