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(2022-23) EDS > Set-4 > Flashcards

Set-4 Flashcards

1
Q

2017 Nobel Prize Currently Awarded in Physics is for_________________?
0

A. Far Observation of Gravitational Waves
B. Far Observation of Gravitational Weight
C. First Observation of Gravitational Waves
D. Far Objectivity of Gravitational Waves

A

C. First Observation of Gravitational Waves

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2
Q

Diesel engine was discovered by___________?
0

A. Paul Muller
B. Faraday
C. Waldeyer
D. Rudolf Diesel

A

D. Rudolf Diesel

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3
Q

Electron was discovered by?
0

A. Michael Faraday
B. James Maxwell
C. Yuri Gagarin
D. J.J Thomson

A

D. J.J Thomson

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4
Q

Which planet is much brighter in our solar system?
0

A. Earth
B. Venus
C. Mercury
D. Jupiter

A

B. Venus

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5
Q

The main function of kidney is____________?
0

A. to control blood pressure
B. to control body temperature
C. to remove waste from blood
D. to help in digestion of bady

A

C. to remove waste from blood

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6
Q

The energy stored in a dam is___________?
0

A. Kinetic energy
B. Electrical energy
C. Potential energy
D. None of these

A

C. Potential energy

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7
Q

Moon light reaches to earth in___________seconds?
0

A. 0.3 seconds
B. 1.3 seconds
C. 2.3 seconds
D. 3.3 seconds

A

B. 1.3 seconds

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8
Q

Who developed the telegraph code?
0

A. Andre Ampere
B. Samuel Morse
C. Joseph Henry
D. Jean Fourier

A

B. Samuel Morse

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9
Q

How many numbers of chromosomes in Pea plant?
1

A. 12
B. 14
C. 46
D. 48

A

B. 14

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10
Q

which of these plants open its mouth when insect sit on its lid?
0

A. Sunflower
B. Pitcher plant
C. Brassica Plant
D. None of these

A

B. Pitcher plant

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11
Q 
The speed of sound in air at sea level is approximately\_\_\_\_\_\_\_\_\_\_\_\_?
0 

A. 300 meter per second
B. 320 meter per second
C. 340 meters per second
D. 370 meter per second
A

C. 340 meters per second

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12
Q

Who invented the safety pin?
0

A. Charles Goodbye
B. steward Harshone
C. Walter Hunt
D. A.Rose

A

C. Walter Hunt

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13
Q

Entomology Is the Study of___________?
0

A. worms
B. insects
C. Animals
D. All of these

A

B. insects

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14
Q

How many bones in our body?
0

A. 102
B. 306
C. 206
D. 204

A

C. 206

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15
Q

Sound cannot travel through __________
0

A. Solid
B. Liquid
C. Gases
D. Vaccum

A

D. Vaccum

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16
Q

The distance of mercury from sun is__________?
0

A. 56 million km
B. 57.9 million km
C. 58.9 million km
D. 59.1 million

A

B. 57.9 million km

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17
Q

The study Of GLANDS is called?
0

A. cardiology
B. None of these
C. Endocrinology
D. Entomology

A

C. Endocrinology

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18
Q

The repetition of property after a certain interval called ___________?
0

A. Electron efinity
B. Atomic radius
C. periodicity of property
D. none of these

A

C. periodicity of property

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19
Q

Short-sight defect could be corrected by a _____________ lens?
2

A. concave lens
B. convex lens
C. converging lens
D. none of these

A

A. concave lens

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20
Q

Deficiency of vitamin B1 is causes__________?
2

A. Rickets
B. Bone Infection
C. Beriberi
D. Myopia

A

C. Beriberi

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21
Q

The inner most part of the earth is__________?
0

A. Crust
B. Mental
C. Core
D. None of these

A

C. Core

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22
Q

The ozone layer is at height of________kilometers from the surface of the Earth?
0

A. 10 to 20
B. 20 to 30
C. 30 to 40
D. 40 to 50

A

B. 20 to 30

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23
Q

A Little inhalation is done through________?
0

A. cigarettes
B. pipes and cigars
C. Both A and B offer little inhalation
D. both offer extreme inhalation

A

B. pipes and cigars

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24
Q

The human brain uses__________ percent of the total oxygen and blood in the body?
0

A. 20
B. 12
C. 35
D. 48

A

A. 20

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25
Q

Which of the following planets have the longest day?
1

A. Jupiter
B. Mercury
C. Earth
D. Venus

A

D. Venus

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26
Q

which of the following planets is known as “morning star”?
0

A. Mercury
B. VENUS
C. Mars
D. Saturn

A

B. VENUS

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27
Q

At what angle above the horizon must the sun be to create a rainbow?
0

A. 90 degrees
B. 60 degrees
C. 40 degrees
D. 65 degrees

A

C. 40 degrees

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28
Q

The study of cancer is called_____________?
0

A. Zoology
B. Ecology
C. Genomic
D. Oncology

A

D. Oncology

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29
Q

Sunlight is a Great Source of ____________?
0

A. vitamin C
B. vitamin D
C. vitamin E
D. vitamin K

A

B. vitamin D

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30
Q

What is the breathing rate of human being body?
2

A. 15-11 minutes
B. 16-20 minutes
C. 25-26 minutes
D. 32-35 minutes

A

B. 16-20 minutes

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31
Q

How many teeth are there in human mouth?
0

A. 30
B. 33
C. 32
D. 31

A

C. 32

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32
Q

Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth’s surface?
1

A. Ionosphere, Mesosphere, Stratosphere, Troposphere
B. Mesosphere, Stratosphere, Ionosphere, Troposphere
C. Troposphere, Stratosphere, Mesosphere, Ionosphere
D. Troposphere, Ionosphere, Stratosphere, Mesosphere

A

C. Troposphere, Stratosphere, Mesosphere, Ionosphere

From earh surface to 10km Troposphere
10km to 50km Stratosphere
50km to 85km Mesosphere
85km to onward Ionosphere

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33
Q

Which of the following cells are Colourless?
0

A. Red blood cells
B. White blood cells
C. Monocytes
D. platelets

A

B. White blood cells

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34
Q

The longest bone in human body is___________?
1

A. Ulna
B. Tibia
C. Femur
D. Humerus

A

C. Femur

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35
Q 
The Shortest (smallest) bone in human body is\_\_\_\_\_\_\_\_\_\_\_?
0

A. Stapes
B. Tibia
C. Femur
D. Humerus

A

A. Stapes

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36
Q

Sodium carbonate is produced by____________?
0

A. haber process
B. Amonia solvay process
C. decons process
D. lead chamber process

A

B. Amonia solvay process

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37
Q

The scientific study of teeth is called ____________?
0

A. Odontology
B. Ornithology
C. Orthoepy
D. Pedagogy

A

A. Odontology

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38
Q

Blood which heart pumps to lungs is__________?
0

A. deoxygenated blood
B. lymph fluid
C. atria blood
D. oxygenated blood

A

A. deoxygenated blood

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39
Q

Current stage of star ‘Sun’ is___________?
0

A. white dwarf
B. red giant
C. yellow dwarf
D. orange dwarf

A

C. yellow dwarf

According to their system of classification, the Sun is known as a yellow dwarf star. … Stars in the this classification have a surface temperature between 5,300 and 6,000 K, and fuse hydrogen into helium to generate their light.

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40
Q

If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will?
4

A. Increase over 10%
B. Decrease by 10%
C. Decrease by 0.5%
D. Increase by 0.5%

A

B. Decrease by 10%

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41
Q

Sunlight is composed of___________?
0

A. Three colours
B. six colours
C. seven colours
D. eight colours

A

C. seven colours

42
Q

Which is least Conductor of Electricity among the following?
0

A. Wood
B. Copper
C. Iron
D. Water

A

A. Wood

43
Q

What does TCM stand for in medical terms?
0

A. Techno Circuit Module
B. Traditional Chinese medicine
C. Tetra Carbon Mono oxide
D. Tele Communication Management

A

B. Traditional Chinese medicine

44
Q

Which Gas is used in the preparation of Soft drinks?
0

A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Halogen

A

B. Carbon dioxide

45
Q

______________ is used for measuring velocity?
0

A. Speedometer
B. Anemometer
C. Odometer
D. Hygrometer

A

A. Speedometer

46
Q

In the manufacture of banaspati ghee the gas used is __________?
0

A. Helium
B. Hydrogen
C. Oxygen
D. Nitrogen

A

B. Hydrogen

47
Q

The chemical name of Laughing gas is___________?
0

A. Nitric oxide
B. Nitrogen dioxide
C. Nitrogen pentoxide
D. Nitrous oxide

A

D. Nitrous oxide

48
Q

Wood is the main raw material for the manufacture of ____________?
0

A. Paint
B. Gun powder
C. Paper
D. Ink

A

C. Paper

49
Q

The pancreas secrets___________?
0

A. Insulin
B. Vitamin A
C. Bile juice
D. none of these

A

A. Insulin

50
Q

The common refrigerant used in domestic Refrigerator is_____________?
0

A. Neon
B. Spirit
C. Freon/Ammonia
D. Methane

A

C. Freon/Ammonia

51
Q

A glass chimney stops an oil lamp from smoking because:
0

A. It increases the supply of oxygen to the flame by convection
B. The heat produced ensures complete
C. Both to these
D. Neither of these

A

C. Both to these

52
Q

Most drugs are excreted through_____________?
0

A. Kidney
B. Skin
C. Gallbladder
D. Lungs

A

A. Kidney

53
Q

Insulin drug was discovered by____________?
0

A. Charles Herbert Best
B. Prof John James Rickard Macleod
C. Sir Frederick Grant Banting
D. Leonard Thompson

A

C. Sir Frederick Grant Banting

54
Q

When our sun reaches the end of its red giant phase, it will turn into a___________?
0

A. Supernova
B. White Dwarf
C. Black Hole
D. Neutron Star

A

B. White Dwarf

The Sun is currently in its main sequence phase, which means that it is fusing hydrogen into helium in its core. This process releases energy, which keeps the Sun hot and glowing. However, the Sun will eventually run out of hydrogen fuel, and when this happens, it will enter its red giant phase.

During the red giant phase, the Sun will expand to about 100 times its current size. It will also become much cooler, and its color will change from yellow to red. The Sun will remain in its red giant phase for about 1 billion years.

After the red giant phase, the Sun will collapse into a white dwarf. A white dwarf is a very small, dense star that is about the size of Earth. It will continue to cool and dim until it eventually becomes a black dwarf.

The Sun is not massive enough to explode as a supernova or to collapse into a black hole.

55
Q 
What sub-class of neutron star is known for its extremely high magnetic field?
0

A. Magnetar
B. Quasar
C. Magneto
D. Magnetta

A

A. Magnetar.

A magnetar is a type of neutron star with an extremely powerful magnetic field. The magnetic field of a magnetar is about 1000 times stronger than that of a typical neutron star. Magnetars are thought to be formed when a massive star collapses at the end of its life. The collapse of the star compresses the magnetic field of the star, which causes it to become much stronger.

56
Q

A pulsar is a rapidly spinning neutron star which emits:
0

A. A blinding light when it aligns with the planets
B. Radio waves detectable from Earth
C. A gravitational pull which attracts high energy dust particles
D. Enough energy to power itself indefinitely

A

B. Radio waves detectable from Earth

57
Q

In a typical H-R diagram, stars are graphed by these two characteristics:
0

A. Temperature and luminosity
B. Luminosity and distance
C. Distance and temperature
D. Size and distance

A

A. Temperature and luminosity

58
Q

You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.
0

A. Wolf-Rayet star
B. Red supergiant
C. Stellar storm
D. Pulsar

A

A. Wolf-Rayet star

59
Q

When a star becomes a singularity and has zero volume and infinite density, it is called_______________?
0

A. White dwarf
B. Blue giant
C. Wolf-Raynet star
D. Black hole

A

D. Black hole

60
Q

PSR J0108-1431 is the closest known ______________ to Earth?
0

A. Black hole
B. Red giant
C. Quasar
D. Pulsar

A

D. Pulsar

PSR J0108-1431 is a pulsar located in the constellation Cetus. It is the closest known pulsar to Earth, at a distance of about 424 light-years. It was discovered in 1994 during the Parkes Southern Pulsar Survey. It is considered a very old pulsar with an estimated age of 166 million years and a rotation period of 0.8 seconds.

A pulsar is a type of neutron star that emits pulses of electromagnetic radiation. The pulses are caused by the rotation of the neutron star, which has a very strong magnetic field. The magnetic field lines are twisted and distorted by the rotation of the star, and this causes the star to emit pulses of radiation.

61
Q

Particle clouds from where stars are formed are known as____________?
0

A. Stellar nurseries
B. Star clouds
C. Event horizons
D. Singularities

A

A. Stellar nurseries

62
Q

This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star.
0

A. Alpha Stage
B. Stellar Genesis
C. Protostar
D. Star of Adam

A

C. Protostar

63
Q

Antares is of the largest known ___________?
0

A. Quasars Star
B. Pulsars Star
C. White Dwarfs Star
D. Red Super-giants Star

A

D. Red Super-giants Star

64
Q

The sun is made up of 99.9% of ________________ and ______________?
0

A. Oxygen and Hydrogen
B. Hydrogen and Sulfur
C. Carbon and Silicon
D. Hydrogen and Helium

A

D. Hydrogen and Helium

65
Q

The Big Dipper is part of which constellation?
0

A. Ursa Major
B. Ursa Minor
C. The Great Bear
D. A. and C. above

A

D. A. and C. above

The Big Dipper is part of the constellation Ursa Major, which is Latin for “Great Bear”. The Big Dipper is an asterism, which is a grouping of stars that form a pattern in the night sky. The Big Dipper is made up of seven stars, and it is one of the most recognizable asterisms in the sky.

The Big Dipper is located in the northern sky, and it can be seen from most parts of the world. The Big Dipper is also known as the Plough or the Saucepan. The Big Dipper is a useful tool for finding the North Star, Polaris. The two stars at the end of the Big Dipper’s “bowl” point to Polaris.

The Big Dipper is a popular subject for mythology and folklore. In Greek mythology, the Big Dipper is said to be the goddess Callisto and her son Arcas, who were turned into bears by Zeus. In Native American folklore, the Big Dipper is said to be a bear that was killed by hunters.

The Big Dipper is a beautiful and fascinating asterism. It is a popular subject for mythology and folklore, and it is a useful tool for finding the North Star.

66
Q

What are the names of the two stars in the Big Dipper used to locate Polaris?
0

A. The North Seekers
B. The Pointer Stars
C. The Pointer Sisters
D. None of these

A

B. The Pointer Stars

67
Q

What causes the Moon’s phases?
0

A. The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.
B. The Sun lights up only one half of the Moon and as the Sun orbits the Earth we can sometimes see the unlit side of the Moon.
C. The Earth’s shadow falls on the Moon, blocking the sunlight.
D. The Moon’s shadow falls on the Earth, blocking the sunlight.

A

A. The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.

68
Q

The large dark patches on the Moon’s surface are known as___________?
0

A. Dark matter
B. Maria, or seas, even though there is no water on the Moon
C. Maria, or seas, because they are filled with water
D. Moon spots

A

B. Maria, or seas, even though there is no water on the Moon

69
Q

Which one is the brightest star in the night sky?
0

A. Betelgeuse
B. Sirius
C. Rigel
D. Polaris

A

B. Sirius

70
Q

Oranges are rich source of____________?
0

A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins

A

D. Vitamins

71
Q

The SI standard of time is based on_____________?
0

A. the daily rotation of the earth
B. the frequency of light emitted by Kr86
C. the yearly revolution of the earth about the sun
D. a precision pendulum clock
E. none of these

A

E. none of these

The SI standard of time is based on the frequency of light emitted by the cesium-133 atom.

72
Q

During a total solar eclipse the rate of Photosynthesis___________?
0

A. Increase
B. Decrease
C. Remain Constant
D. None of them

A

B. Decrease

73
Q

Water is a universal solvent for what reactions?
0

A. Chemical
B. Biochemical
C. Physical
D. Nuclear

A

B. Biochemical

74
Q

Which of the following is closest to a yard in length?
0

A. 0.01m
B. 0.1m
C. 1m
D. 10m
E. 100m
A

C. 1m

75
Q

The SI base unit for mass is_____________?
0

A. Gram
B. Pound
C. Kilogram
D. Ounce

A

C. Kilogram

76
Q

The average speed of a moving object during a given interval of time is always:
0

A. the magnitude of its average velocity over the interval
B. the distance covered during the time interval divided by the time interval
C. one-half its speed at the end of the interval
D. its acceleration multiplied by the time interval
E. one-half its acceleration multiplied by the time interval

A

B. the distance covered during the time interval divided by the time interval

77
Q

All of the following statements are incorrect except:
0

A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experiment

A

A. Precision and accuracy should go side by side in a scientific work

78
Q

An atom is_____________?
0

A. smallest indivisible particle in an element
B. smallest particle of an element which can undergo a chemical reaction
C. building block of an element
D. always smaller than molecule

A

B. smallest particle of an element which can undergo a chemical reaction

79
Q

Which of the following is a substance?
0

A. Sea water
B. Brass
C. Tape water
D. Graphite
E. Sand
A

D. Graphite

80
Q

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
0

A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids

A

B. metallic substances

81
Q

All of the following substances are crystalline except_____________?
0

A. Ice
B. Diamond
C. Sucrose
D. Plastic

A

D. Plastic

82
Q

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?
0

A. hydrogen bonding
B. irregular shape of the molecules
C. irregular shape of the molecules and strong inter-molecular forces
D. greater molecular size

A

C. irregular shape of the molecules and strong inter-molecular forces

83
Q

Rate of evaporation of petrol is greater than that of water at room temperature because:
0

A. petrol molecules do not have any hydrogen bond
B. petrol is an organic compound
C. water molecules have small size
D. petrol molecules have greater size

A

A. petrol molecules do not have any hydrogen bond

84
Q

The increasing vapor pressure caused by heating a liquid is due to___________?
0

A. increase inter-molecular interactions
B. increasing potential energy of molecules
C. increasing kinetic energy of molecules
D. decreasing surface tension

A

C. increasing kinetic energy of molecules

85
Q

Covalent network crystals have_____________?
0

A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding

A

A. higher melting point then molecular crystals

86
Q

Color of the glow produced in the discharge tube:
0

A. depends on the pressure in the discharge tube
B. depends on the metal used as cathode
C. depends on the gas used in the discharge tube
D. does not depend on the nature of the gas used in the discharge tube

A

C. depends on the gas used in the discharge tube

87
Q

Nuclear radiation is emitted by those elements whose:
0

A. molecules are stable
B. molecules are unstable
C. nuclei are stable
D. nuclei are unstable

A

D. nuclei are unstable

88
Q

Second ionization energy:
0

A. is always less than first ionization energy
B. is always greater than first ionization energy
C. is equal to the first ionization energy
D. may be greater or less than the first ionization energy depending on the nature of the element

A

B. is always greater than first ionization energy

89
Q

All of the following are electromagnetic radiations except__________?
0

A. Red light
B. Sound waves
C. X-Rays
D. Photon

A

B. Sound waves

90
Q

Which of the following has the highest energy?
0

A. gamma rays
B. X-rays
C. Ultra-violet radiation
D. radio waves

A

A. gamma rays

91
Q

Which of the following has the largest wavelength?
0

A. visible light
B. x-rays
C. infrared light
D. ultraviolet radiation

A

C. infrared light

92
Q

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?
0

A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
D. radio, infrared, visible, ultraviolet, x-ray, gamma ray

A

D. radio, infrared, visible, ultraviolet, x-ray, gamma ray

93
Q

“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?
0

A. Aufbau principle
B. Pauli exclusion principle
C. Hund’s rule
D. Periodic law

A

B. Pauli exclusion principle

94
Q

One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?
0

A. Molarity
B. Molality
C. Normality
D. Formality

A

B. Molality

95
Q

A substance which increases the efficiency of a catalyst is termed as:
0

A. Promoter
B. Activator
C. Retarder
D. Super catalyst

A

A. Promoter

96
Q

The amount of energy required by the children of age between one to three years is___________?
0

A. 300 k Calories
B. 600 k Calories
C. 900 k Calories
D. 1200 k Calories

A

D. 1200 k Calories

97
Q

According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?
0

A. 1 hours
B. 5 hours
C. 10 hours
D. 15 hours

A

C. 10 hours

98
Q

In eye donation, which one of the following parts of donor’s eye is utilized ?
0

A. Iris
B. Lens
C. Cornea
D. Retina

A

C. Cornea

99
Q

The ‘stone’ formed in human kidney consist mostly of_____________?
0

A. Calcium oxalate
B. Sodium acetate
C. Magnesium sulphate
D. Calcium

A

A. Calcium oxalate

Kidney stones are hard deposits that form in the kidneys. They can be as small as a grain of sand or as large as a golf ball. Kidney stones are made up of minerals and other substances that are normally found in urine.

The most common type of kidney stone is made up of calcium oxalate. Calcium oxalate stones are formed when there is too much calcium and oxalate in the urine. Calcium is a mineral that is found in many foods, including dairy products, green leafy vegetables, and fortified foods. Oxalate is a substance that is found in many foods, including spinach, rhubarb, and beets.

100
Q

Approximately, how many times each day do our heart valves open and close normally?
0

A. 10,000
B. 1,00,000
C. 1,50,000
D. 2,00,000

A

B. 1,00,000

(2022-23) EDS (11 decks)

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