General Science Most Repeated MCQs in NTS – SET 6

501. Huge white ball in the sun almost consists of Hydrogen.
502. Charcoal is made by heating wood.
503. In blood, the percentage of water is 90%.
504. As the temperature of ice rises, the ice melts and its density increases.
505. Water is a universal solvent for Biochemical Reactions.
506. The temperature of the water below the solid ice layer is 4 degree centigrade.
507. The volume percentage of nitrogen in air is 78%.
508. The composition of oxygen in air is kept constant by the process of Photosynthesis.
509. Nitrogen occurs in plants and animals in the form of Protein.
510. Air contains volume of carbon dioxide approximately 0.03%.
511. The gases which are used by divers as an artificial atmosphere are helium and oxygen.
512. Noble gases are extremely unreactive.
513. The second most abundant metal found in the earthes crust is Iron.
514. The iron content in plant tissue is normally between 50-250ppm.
515. Chernobyl nuclear reactor lies in Russia.
516. Chernobyl nuclear plant was destroyed in 1986 due to Failure of cooling system.
517. Radioactive source must be kept in Lead Container.
518 In Brazil alcohol is used as fuel for vehicles.
519. Voltmeter can be made by modification in Galvanometer.
520. The device used for the measurement of current, voltage and resistance is AVO meter.
521. In the name of multimeter \AVO., V stands for Voltage.
522. Silicon is a Semiconductor.
523. Paper is an insulator.
524. For sending sound waves at large distance, Radio Waves are used.
525. The carrier waves used for the radio transmission have the frequency up to 30 KHz.
526.Video camera is used to convert Picture into electrical signals.
527. In a colour television, the colours are green, red and blue.
528. The waves used for sending signals to the satellite from ground station are Micro Waves.
529. First telegraph signal was transmitted in 1901.
530. In a telephone receiver, Magnet is placed under the diaphragm.
531. Nowadays, the international communication and transmission is being done through the waves
known as Microwaves.
532. Modern Bicycle was invented by Staley.
533. Coulomb is the unit of Electric Charge.
534. For certain reasons, some people develop cloudy areas in one or both lenses. This defect is
called Cataract.
535. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This
process is termed asGalvanization.
536. In a reactor, cadmium rods re used for Absorbing Neutrons.
537. Detergents dissolved in water help in cleaning clothes by reducing the surface tension of water.
538. The swing of a spinning cricket ball in the air can be explained on the basis of Bemoullies
Theorem.
539. The absorption of ink by blotting paper involves Capillary Action phenomenon.
540. Materials for rain proof coats and tents owe their water proof properties to Surface Tension.
541. For being able to see three-dimensional pictures we have to use An Epidiascope.
542. Water has maximum density at 4 degree centigrade.
543. The highest recorded air temperature in the world in degree Celsius is 57.
544. The instrument that measures wind speed is the anemometer.
545. The theory of expanding Universe was first propounded by Hubble.
546. Used tea leaves contain Quinine.
547. A lake starts freezing because of the cold atmosphere. It will first freeze at the top surface.
548. The Sun remains visible for some time after it actually sets below the horizon. This happens due
to Atmospheric Refraction.
549. An iceberg is floating in sea. One tenth of its mass will remain above the surface of water.
550. Bat has the highest upper limit of audible range.
551. \Hotline. is A telecommunication link between the rulers of countries.
552. Most of the ozone is concentrated in the Stratosphere.
553. The cowes milk contains 80% of water in terms of percentage.
554. Numismatics is the study of Coins.
555. Measles is a viral disease.
556. Vitamin C is present in Citrus Fruits.
557. Leukaemia is a Blood Cancer.
558. Haemophilia is a hereditary disease.
559. Diamond is the hardest material.
560. Lead ball falls through water more slowly than through air because of the viscous force in water.
561. Polaroides are used for Photoelasticity.
562. Scalding with steam is more severe than scalding by boiling water because Steam contains more
energy than boiling water.
563. Cooking oil can be converted into vegetable ghee by the process of Hydrogenation.
564. Stainless steel is an alloy of Iron, Chromium and Nickel.
565. Optical fibres work on the principle of Total internal reflection.
566. Water vapour beyond the dew point results in Condensation.
567. The main chemical substance present in the bones and teeth of animals is Calcium Phosphate.
568. The Green House Effect is caused by an excess of Carbon dioxide.
569. Bats can also fly in dark because they are capable of taking the help of Ultrasonic Waves.
570. Gold is found in its original form.
571. Green vegetables have high iron content.
572. The fat content in buffalo milk is 10%.
573. Whale has the largest egg.
574. The rear view mirror of a motor vehicle is Convex.
575. A post mortem study usually involves an analysis of liver.
576. Bio fertilisers are nitrogen-fixing micro-organisms which can enrich soil.
577. Tincture of iodine consists of A solution of iodine in alcohol.
578. The only planet of solar system which has water vapours is Neptune.
579. The major part of natural gas, petroleum and coal consist of Methane.
580. Gypsum is used for cement.
581. Chromium is obtained from Chromite.
582. Silica is used in glass-making.
583. Human population has become double during the last 45 years.
584. At present population growth rate in Pakistan is 1.573%.
585. In Pakistan, the nuclear power stations are built at Karachi and Chashma.
586. Plutonium is used as Fuel for nuclear fission.
587. Uranium-235 is used in the fission process.
588. The solar energy falling on the atmosphere of earth is almost 1.4 kilowatt per square meter.
589. The large plates of solar panels are painted Black.
590. The temperature of the semi-molten rocks about 10 km below the surface is 200 degree
Centigrade.
591. Cataract is a disease of eye.
592. Rayon is made of Cellulose.
593. Meter per second is a unit of Velocity.
594. The greatest number of compounds is formed by the element of Carbon.
595. The major component of honey is Glucose.
596. The working principle of a washing machine is Centrifugation.
597. Oxygen is present in the largest amount in terms of per cent by mass in the earthes crust.
598. Radioactivity was first discovered by Henry Becquerel.
599. Helium gas is commonly used in balloons and airships.
600. The process of elimination of water from any system is called Dehydration.
501. Huge white ball in the sun almost consists of Hydrogen.
502. Charcoal is made by heating wood.
503. In blood, the percentage of water is 90%.
504. As the temperature of ice rises, the ice melts and its density increases.
505. Water is a universal solvent for Biochemical Reactions.
506. The temperature of the water below the solid ice layer is 4 degree centigrade.
507. The volume percentage of nitrogen in air is 78%.
508. The composition of oxygen in air is kept constant by the process of Photosynthesis.
509. Nitrogen occurs in plants and animals in the form of Protein.
510. Air contains volume of carbon dioxide approximately 0.03%.
511. The gases which are used by divers as an artificial atmosphere are helium and oxygen.
512. Noble gases are extremely unreactive.
513. The second most abundant metal found in the earthes crust is Iron.
514. The iron content in plant tissue is normally between 50-250ppm.
515. Chernobyl nuclear reactor lies in Russia.
516. Chernobyl nuclear plant was destroyed in 1986 due to Failure of cooling system.
517. Radioactive source must be kept in Lead Container.
518. In Brazil alcohol is used as fuel for vehicles.
519. Voltmeter can be made by modification in Galvanometer.
520. The device used for the measurement of current, voltage and resistance is AVO meter.
521. In the name of multimeter \AVO., V stands for Voltage.
522. Silicon is a Semiconductor.
523. Paper is an insulator.
524. For sending sound waves at large distance, Radio Waves are used.
525. The carrier waves used for the radio transmission have the frequency up to 30 KHz.
526. Video camera is used to convert Picture into electrical signals.
527. In a colour television, the colours are green, red and blue.
528. The waves used for sending signals to the satellite from ground station are Micro Waves.
529. First telegraph signal was transmitted in 1901.
530. In a telephone receiver, Magnet is placed under the diaphragm.
531. Nowadays, the international communication and transmission is being done through the waves
known as Microwaves.
532. Modern Bicycle was invented by Staley.
533. Coulomb is the unit of Electric Charge.
534. For certain reasons, some people develop cloudy areas in one or both lenses. This defect is
called Cataract.
535. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This
process is termed asGalvanization.
536. In a reactor, cadmium rods re used for Absorbing Neutrons.
537. Detergents dissolved in water help in cleaning clothes by reducing the surface tension of water.
538. The swing of a spinning cricket ball in the air can be explained on the basis of Bemoullies
Theorem.
539. The absorption of ink by blotting paper involves Capillary Action phenomenon.
540. Materials for rain proof coats and tents owe their water proof properties to Surface Tension.
541. For being able to see three-dimensional pictures we have to use An Epidiascope.
542. Water has maximum density at 4 degree centigrade.
543. The highest recorded air temperature in the world in degree Celsius is 57.
544. The instrument that measures wind speed is the anemometer.
545. The theory of expanding Universe was first propounded by Hubble.
546. Used tea leaves contain Quinine.
547. A lake starts freezing because of the cold atmosphere. It will first freeze at the top surface.
548. The Sun remains visible for some time after it actually sets below the horizon. This happens due
to Atmospheric Refraction.
549. An iceberg is floating in sea. One tenth of its mass will remain above the surface of water.
550. Bat has the highest upper limit of audible range.
551. \Hotline. is A telecommunication link between the rulers of countries.
552. Most of the ozone is concentrated in the Stratosphere.
553. The cowes milk contains 80% of water in terms of percentage.
554. Numismatics is the study of Coins.
555. Measles is a viral disease.
556. Vitamin C is present in Citrus Fruits.
557. Leukaemia is a Blood Cancer.
558. Haemophilia is a hereditary disease.
559. Diamond is the hardest material.
560. Lead ball falls through water more slowly than through air because of the viscous force in water.
561. Polaroides are used for Photoelasticity.
562. Scalding with steam is more severe than scalding by boiling water because Steam contains more
energy than boiling water.
563. Cooking oil can be converted into vegetable ghee by the process of Hydrogenation.
564. Stainless steel is an alloy of Iron, Chromium and Nickel.
565. Optical fibres work on the principle of Total internal reflection.
566. Water vapour beyond the dew point results in Condensation.
567. The main chemical substance present in the bones and teeth of animals is Calcium Phosphate.
568. The Green House Effect is caused by an excess of Carbon dioxide.
569. Bats can also fly in dark because they are capable of taking the help of Ultrasonic Waves.
570. Gold is found in its original form.
571. Green vegetables have high iron content.
572. The fat content in buffalo milk is 10%.
573. Whale has the largest egg.
574. The rear view mirror of a motor vehicle is Convex.
575. A post mortem study usually involves an analysis of liver.
576. Bio fertilisers are nitrogen-fixing micro-organisms which can enrich soil.
577. Tincture of iodine consists of A solution of iodine in alcohol.
578. The only planet of solar system which has water vapours is Neptune.
579. The major part of natural gas, petroleum and coal consist of Methane.
580. Gypsum is used for cement.
581. Chromium is obtained from Chromite.
582. Silica is used in glass-making.
583. Human population has become double during the last 45 years.
584. At present population growth rate in Pakistan is 1.573%.
585. In Pakistan, the nuclear power stations are built at Karachi and Chashma.
586. Plutonium is used as Fuel for nuclear fission.
587. Uranium-235 is used in the fission process.
588. The solar energy falling on the atmosphere of earth is almost 1.4 kilowatt per square meter.
589. The large plates of solar panels are painted Black.
590. The temperature of the semi-molten rocks about 10 km below the surface is 200 degree
Centigrade.
591. Cataract is a disease of eye.
592. Rayon is made of Cellulose.
593. Meter per second is a unit of Velocity.
594. The greatest number of compounds is formed by the element of Carbon.
595. The major component of honey is Glucose.
596. The working principle of a washing machine is Centrifugation.
597. Oxygen is present in the largest amount in terms of per cent by mass in the earthes crust.
598. Radioactivity was first discovered by Henry Becquerel.
599. Helium gas is commonly used in balloons and airships.
600. The process of elimination of water from any system is called Dehydration.