BASICS OF EVERY DAY SCIENCE EDS
Basics of Every Day Science EDS
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
کون سا وٹامن پانی میں سب سے زیادہ حل ہوتا ہے؟
- Vitamin D
- Vitamin B
- Vitamin C
- Both B and C
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Explanation
Vitamins B and C are water-soluble vitamins, meaning they dissolve easily in water.
- Vitamin B: Includes several B vitamins (B1, B2, B3, etc.), all of which are water-soluble.
- Vitamin C (Ascorbic acid): Also highly soluble in water.
ہائگرومیٹر کس کی پیمائش کے لیے استعمال کیا جاتا ہے؟
- Humidity of air
- Speed of sound
- Density of milk
- Specific gravity of liquids
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Explanation
A hygrometer is an instrument used to measure the moisture content or humidity level in the air.
It often used in weather forecasting and environmental studies.
بارکوڈ ریڈر ایک ____ ڈیوائس ہے؟
- Input
- Output
- Display
- Storage
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Explanation
- A barcode reader, also called a price scanner or point-of-sale (POS) scanner.
- It is a hand-held or stationary input device.
- It used to capture and read information contained in a barcode.
مندرجہ ذیل میں سے کون سا جوڑا غلط ہے؟
- Sparrow : Trumpet
- Horse : Neigh
- Monkey : Polytities
- Owl : Chirp
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Explanation
"Polytities" is not a valid or recognized sound made by monkeys.
Monkeys make various vocalizations like screeching, chattering, or howling, but not "polytities".
بائیوم _____ کی کمیونٹی ہے؟
- Plants
- Animals
- Both A and B
- None of these
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Explanation
A biome is a community of both plants and animals that occupy a specific habitat and are adapted to a particular climate and geography.
Biomes can be terrestrial (land-based), freshwater, or marine (ocean-based), and they can vary in size from small to global.
Biomes are composed of:
- Plants (flora)
- Animals (fauna)
- Microorganisms (such as bacteria and fungi)
- Physical environment (climate, soil, water, etc.)
وہ مائعات کیا ہیں جو تیزی سے بخارات بن جاتے ہیں، کیا کہلاتے ہیں؟
- Volatile
- Viscous
- Evapurative
- None of the above
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Explanation
Liquids that evaporate quickly are called volatile liquids.
Volatility refers to the tendency of a liquid to vaporize or evaporate quickly, often at room temperature or below.
Examples of volatile liquids include:
- Alcohol (e.g., ethanol, isopropanol)
- Acetone
- Gasoline
- Perfumes
- Essential oils
خطرناک فضلہ سے منسلک سب سے اہم ماحولیاتی خطرہ کیا ہے؟
- Increased use of land for landfills
- Destruction of Habitat
- Air pollution
- Contamination of Ground water
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Explanation
The most serious environmental effect posed by hazardous wastes is Contamination of Groundwater.
Toxic substances from hazardous waste can seep into the soil and contaminate underground water sources.
It affecting ecosystems and human health.
کون سا پرندہ کنکریاں کھاتا ہے جو کھایا ہوا کھانا پیس کر ہاضمے میں مدد کرتا ہے؟
- Pigeon
- Hen
- Ostrich
- Owl
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Explanation
Ostriches, like some other birds, eat pebbles and small stones to help with digestion.
They swallow these pebbles, which then accumulate in their gizzard, a muscular organ in the digestive system.
The pebbles help grind up the food.
It especially tough plant material, in the gizzard, making it easier to digest.
This process is called "grit digestion".
لیبراڈور کس جانور کی نسل ہے؟
- Cat
- Dog
- Snake
- Fish
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Explanation
The Labrador Retriever, commonly known as the Labrador.
It is a popular breed of dog known for its friendly, outgoing, and loyal nature.
Originally bred to assist fishermen in Newfoundland.
Labradors are now popular family pets and working dogs in various roles, such as guide dogs and search and rescue dogs.
ریکٹر اسکیل _____ کی پیمائش کے لیے استعمال کیا جاتا ہے؟
- Strength of an earthquake
- Sound waves
- Pollution of atmosphere
- None of these
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Explanation
Richer Scale is used for measuring Strength of an earthquake.
The intensity of earthquake is measured by Richter Scale.
Richter Scale was invented in 1935.