1000 everyday science solved mcqs
Daily Science MCQs
1000 everyday science solved mcqs
Daily science mcqs pdf free download
Everyday science is a very important subject in all competitive exams. If you are preparing for CSS, PMS and all other competitive exams? Good news for you that daily science mcqs pdf free download is available on our website. Daily science MCQs will help you score good marks in your exams.Everyday science MCQs PDF 2022
1000 everyday science solved mcqs
General Science MCQs with Answers
General Science and Aptitude is a compulsory subject of CSS. Whereas, in PMS General Knowledge paper, examiners ask many Science MCQs daily. So, without preparation for FPSC’s most repetitive Past Daily Science MCQs, scoring exceptional marks is just a dream.1000 everyday science solved mcqs .Be sure to share to help others1000 everyday science solved mcqs.
Everyday Science MCQs 2021
Everyday Science Past Papers
Spleen is called the graveyard of red blood cells.
Oxygen gas was discovered by Priestley.
Dr. James Weston discovered the structure of DNA.
1953.
The cell was first discovered by Robert Hooke.
“Debugging” is the process of finding and fixing or ignoring bugs (errors) in computer program code or the engineering of a hardware device.
‘Claustrophobia’ is defined as the fear of enclosed spaces.
“Brass” is an alloy of copper and zinc. The ratio of zinc to copper can be varied to create a range of brasses with different properties.
“Bronze” is a metallic alloy consisting primarily of copper, usually with tin as a significant additive.
Vitamin C (also known as ascorbic acid) is a powerful antioxidant, and aids in collagen production, and
Stimulates the immune system.
Vitamin C is essential for appetite.
“Soda water” works as a basic remedy for upset stomach.
Normal arterial blood pH is 7.40, with a range of approximately 7.36-7.44. Blood pH depends on the concentration of carbon dioxide (CO2) and bicarbonate (HCO3).
The main component of needle gas is methane.Top 100 MCQs of Everyday Science
Agoraphobia is the fear of open or public places.
Unable to write “Agraphia“.
Acrophobia is the fear of heights.
Aerophobia is the fear of flying.
Apiphobia is the fear of what? Bees
Cyberphobia is the fear of computers or working on computers.
Acrophobia Fear of heights.
A CPU (cache) is a cache used by a computer’s central processing unit to reduce the average memory access time.Every day Science MCQs PDF 2021
A cache is a small, fast memory that stores frequently used copies of data from the main memory.
Memory locations
“Dry ice” is solid carbon dioxide.
Chemically diamond is pure carbon.
Fire cylinder uses CO2 gas. (CO2 is used to extinguish fire)
Sulfuric acid is used in car batteries.
‘Parkinson‘ is a brain disease.
The normal pulse rate of the human body is between 72-80.
An instrument designed to test the purity of milk is called Lactometer.
“Post-mortem” is the post-mortem examination of a body.
“Lexicography” is the branch of science that deals with the process of writing dictionaries.
The speed of sound in air is 331 meters per second.
Red has the longest wavelength and blue has the shortest wavelength.
“Pomology” is the study and cultivation of fruit.
Logarithm tables were invented by John Napier.
Fish is an excellent source of protein.
The most commonly used bleaching agent is chlorine.
The main component of dung gas is methane.
Which of the following has the highest frequency? Radio waves
“Charles Drew” first came up with the idea of a blood bank.
Kidney is an organ of the body that cleans the blood.
The skin is the first to be heavily affected by nuclear radiation.
Radio waves travel at approximately the speed of light.
Diamond is the hardest mineral.
The life history of the human malaria parasite in Anopheles was first described by Ronald Ross.
The distance between the Earth and the Sun is the shortest in the month of January.
A metric ton is equal to 1000 kilograms or 2204 pounds.
A square foot is equal to 144 square inches and 1 meter is equal to 3.28 feet.
One nautical mile is equal to 6080.
A “monometer” is an instrument for measuring gaseous pressure.
The atmospheric pressure at sea level is 760 mm.
The acceleration due to gravity is 32 feet per second.
1 inch is equal to 2.54 cm.
Silicon is called a “ground-builder“.
When a disease occurs over a large area of the earth’s surface at one time, it is called an epidemic.
The area between the Tropic of Cancer and the Tropic of Rays, where the Sun is vertically overhead at some point in the year, is called the Torrid Zone.
Vitamin C deficiency causes scurvy.
What does Angstrom measure? Speed of ships.
The scientist who first discovered that the earth revolves around the sun was Copernicus.
Who invented the “digital computer”. ard Alken.
Wood is the least conductive of electricity.
“Cryptography” deals with the study of secret writing.
What is laughing gas? Nitrous oxide
The common element in all acids is hydrogen.
Diamond is an allotropic form of carbon.
Does the earth revolve around the sun? West to East
Philately is the science of stamp collecting.
hA hydrometer is used to measure the specific gravity of a liquid.
Which vitamin is easily produced in the body? Vitamin D
What gas is commonly used in balloons? Helium
The most abundant element in the Earth’s crust is oxygen (O).
46.6% and silicon is the second most abundant element of earth and silicon is called earth maker.
One horsepower is equal to 746 watts.
What color phosphorus is used in matches? Red
Oldest known element? Copper
What form of carbon is used in lead pencils? Graphite
Artificial silk is called rayon.
The main component of paper is wood.
The bar is a unit of pressure equal to 100 kilopascals and is approximately equal to the atmospheric pressure on Earth at sea level.
A light year is a unit of distance. This is the distance that light can travel in one year. One light year is equal to 9.46 trillion kilometers.
The largest organ of the body is the skin.
The largest gland is the liver.
Kidney disease due to excess vitamin C.
CPU is an abbreviation for Central Processing Unit.
A kiosk is a unit of water flow.
ATM stands for Automated Teller Machine.
A mirage is an example of refraction of light.
Sound travels fastest in glass.
The force of gravity on a body is called weight.
Most astronomers believe that the Big Bang theory is the origin of the universe.
Hepatitis and jaundice are diseases of the liver.
Neon gas is used in decorative lighting.
A creature having both male and female organs is called Hermaphrodite.
A low-lying storm in which strong winds circulate around a low-pressure center is called a cyclone.
The first Muslim scientist who proposed the law of reflection and refraction was Ibn al-Haytham.
The difference between the duration of day and night increases as one moves from the equator to the poles.
The solar system was discovered by Nicolaus Copernicus.
RAM stands for Random Access Memory.
The richest source of vitamin D is cod liver oil.Everyday Science Questions Answers PDF Download
Do we protect ourselves from the sun’s ultraviolet rays
Important Everyday Science MCQS – Basic level mcqs for nts, ppsc, fpsc
1) One of the countries crossing the equator is:
(a) Kenya
(b) Malaysia
(c) Malta
(d) Pakistan
2) Copper can be converted into gold:
(a) Artificial radiation
(b) Heating
(c) Electroplating
(d) Chemical reactions
3) Plants need three elements for healthy growth:
(a) N, P, K
(b) N, C, P
(c) N, K,
(d) N, S, P
4) Clocks, which run at a speed comparable to the speed of light, run:
(a) Sharp
(b) slow
(c) equal to the speed of light
(d) with zero velocity
5) Max Planck received the Nobel Prize in Physics in 1918 for his discovery of:
(a) Electron
(b) Amount of energy
(c) Photon
(d) Positron
6) Bronze medal is made of metals:
(a) (copper, nickel)
(b) (copper, tin)
(c) (copper, silver)
(d) (copper, zinc)
Everyday Science Book for Competitive Exams PDF
7) Addison’s disease is caused by excess of:
(a) Antidiuretic hormone
(b) Luteinising hormone
(c) Melanophore stimulating hormone
(d) Adrenocorticotrophic Hormone
8) Calf muscle growth in women who wear high heels is a common example of:
(a) Natural selection
(b) Inheritance of acquired character
(c) Use and Use of Organ
(d) Artificial selection
9) Margalla Hill is a branch of:
(a) Karakoram range
(b) Hindu Kush Range
(c) Himalayan Range
(d) Nanga Parbat range
10) The humming bird belongs to the category known as:
(a) Ectotherm
(b) Endotherm
(c) Exotherm
(d) Heteroth
(11) The radioactive isotope of uranium used in a nuclear bomb is:
(a) 92 U 235
(b) 92 U 234
c) 92 U 233
d) 92 U 238
(12) Human population growth is highest in developing countries because:
(a) Birth rate is high in developing countries.
(b) Mortality rate is high in developing countries.
(c) Most of the population has already reached child bearing age.
(d) Most of the world’s population lives in industrialized countries.
(13) Which wood raw material is used for the manufacture of paper pulp?
(a) Cotton
(b) Poplar
(c) Bagasse
(d) Rice straw.General Science Solved MCQs
(14) Rectified spirits include alcohol:
(a) 80%
(b) 95%
(c) 70%
(d) 85%
(15) Which of the following elements is not abundant in the earth’s crust:
(a) Silicon
(b) Radium
(c) Aluminium
(d) Carbon
(16) Famous book. Al-Qunun was written by a Muslim scientist:
(a.) Jabbar bin Hayyan
(b) Zakaria Al-Razi
(c) Abu Ali Sina
(d) Abdul Qasim Mujariti
(17) Base metals can be converted into gold:
(a) Heating system
(b) To strike
(c) Artificial nuclear radiation
(d) Chemical reactions
(18) The unit of light year is:
(A time
(b) Energy
(c) Length
(d) Mass
(19) An important function of the Earth’s ozone layer is:
(a) Prevent global warming
(b) Filter out ultraviolet rays.
(c) Absorb pollutants.
(d) All of the above
1000 everyday science solved mcqs
- Insulin is administered into the intestines.
A. Pancreas b. liver
C. Stomach
D. Gallbladder - Locked jaws, i.e. difficulty in opening the mouth is a symptom.
A. Cholera
B. Plague
C. TetanusD. Diphtheria - Which of the following pairs is incorrect?
A. Plague rats
B. Rabies dog
C. Tapeworm Sore
D. Poliomyelitis-Monkey - Merge the following columns.
Column I Column II
A. Airborne 1. Tetanus
B. Waterborne 2. Tuberculosis
C. Contact 3. Cholera
D. Lesions 4. Syphilis
A, B, C, D
(a) 2 3 1 4
(b) 2 3 4 1
(c) 3 2 4 1
(d) 4 3 2 1 - Rickets is a disease.
A. bones b. The tissue
C. Muscles
D. Blood - In the followingWhich statement is correct?
A. The pulmonary artery carries pure blood.
B. The pulmonary artery carries sterile blood.
C. The pulmonary vein carries impure blood.
D. None of these. - are located in the lungs
A. Abdominal cavity
B. Pericardial cavity
C. buccal cavity
D. Thoracic cavity - Contains the human cell.
A. 44 chromosomes
B. 48 chromosomes
C. 46 chromosome d. 23 chromosomes - Enzymes help.
A. Breathing
B. Food digestion C. Immunity
D. reproduction - Food is normally digested in
A. Liver
B. Stomach
C. Small intestinesD. Large intestines. - Myopia is associated with a disease
A. The ear
B. Eyes
C. Lungs
D. The brain - Leukemia is a disease.
A. The lungs
B. Blood c. The skin
D. Nerves - Can be corrected by using nearsightedness.
A. Convex lens
B. Concave lens
C. Convex-concave lens
D. Convex lens - Trachoma is a disease
A. Liver
B. Eyes
C. Lungs
D. Kidneys.Everyday Science MCQs PDF in Urdu - Match the following
Column I Column II
A. Barberry 1. Vitamin A
B. Scurvy 2. Vitamin B
C. Rickets 3. Vitamin C
D. Night blindness 4. Vitamin D
A, B, C, D
(a) 3 2 1 4
(b) 2 1 3 4
(c) 2 3 4 1
(d) 2 3 1 4 - Typhoid and cholera are common examples.
A. Infectious diseases
B. Airborne disease
C. Waterborne disease
D. None of these. - Pyorrhea is a disease
a nose
B. GumsC heart
D. Lungs - Deficiency of substances that cause diabetes.
A. Sugar
B. Insulin
C. Calcium
D. Vitamins - Appendix is a part thereof.
A. Small intestine
B. Large intestine
C. Stomach
D. Liver - Merge the following columns.
Column I Column II
A. Cataracts 1. Bones
B. Jaundice 2. Eyes
C. Diabetes 3. Liver
D. Arthritis 4. Pancreas
A, B, C, D
(a) 2 3 4 1
(b) 2 3 1 4
(c) 1 3 4 2
(d) 3 2 4 1 - Bronchitis is a disease of which of the following organs?
A. Blood
B. Bladder
C. Liver
D. Respiratory tract - Water is heated in a kettle. The water inside is heated by convection. A person sitting near a fire gains heat by:
a) Delivery
b) Convection
c) Radiation
D) Reflection
e) None of these.
- There may come a time when we will be able to design a machine that will run forever without expending energy. Is it possible?
a) No
b) Yes
c) In due time
D) too soon
e) None of these.
- Rainfall is measured by an instrument called:
a) Hydrometer
b) Barometer
c) Hygrometer
d) Pedometer
E) None of these (Rain gauge)
- The unit of light year is:
a) Distance
b) Time period
c) Light intensity
d) Time
e) None of these.
- Plants need three elements for healthy growth:
a) N,P,K
b) N, C, P
c) N,K,C
d) N,S,P
E) None of these.
- Copper can be converted into gold:
a) Heating
b) Artificial radiation
c) Electroplating
d) Chemical reactions
e) None of these.
- An iron pipe feels colder than a wooden window in winter. This is because wood is:
a) Conductor
b) Non-conductor
c) Semiconductor
d) Not solid whereas iron is solid.
e) None of these.
- Echoes (reflected sound) will only be clearly audible at normal temperatures if the distance of the reflecting surface from the sound source is at least:
a) 1120 feet
b) 120 feet
c) 56ft
d) 100 feet
e) None of these.
- It is possible to recognize a person in the dark by hearing his unique voice. This is because:
a) Pitch
b) Frequency
c) Duration of time
D) Quality
e) None of these.
- When sunlight enters a dark room, its direct path becomes visible due to dust particles suspended in the air. This is because light is:
a) Visible
b) Transparent
c) Hidden (not verified)
d) Vague
e) None of these.
- A six-foot-tall woman wants to see her full image in an airplane mirror. The minimum length of the mirror shall be:
a) 6 feet
b) 12 feet
c) 4 feet
d) 3 feet
e) None of these.
- The principle used in radar is the same as that of sonar. In radar we use radio waves; While in Sonar we use:
A) Red waves
b) Infrared waves
c) Ultrasonic
d) Super sonic
e) None of these.
- Fission is a nuclear reaction in which a heavy nucleus splits to form a smaller nucleus, while in another nuclear reaction, two or more nuclei combine to form a heavier nucleus. :
a) Chemical reactions
b) nuclear reactions
c) Fission nuclear reaction
d) Fusion nuclear reaction
e) None of these.
1000 everyday science solved mcqs
- A parsec is a unit of:
a) Energy
b) Time
c) Strength
d) Distance
e) None of these.
- German silver alloy is:
A) Zn + Ni
b) Cu + Zn
c) Cu + Ni
d) Cu + Sn
e) None of these.
- The continent of Antarctica is located on:
a) North Pole b) South Pole c) Center of Earth d) Equator
e) None of these.
- The temperature of the deceased is:
a) 0’C
b) 37′
c) room temperature
d) Temperature of the place where it is kept.
e) None of these.
- A lactometer is a type of hydrometer used to measure the specific gravity of:
a) Honey
b) Water
C) Milk
d) Olive oil
e) None of these.
- A kiosk is a unit of:
a) Area
b) Time
C) distance
d) mass
e) None of these (The unit of flow rate is cubic per second)
- The deepest place on earth is:
a) Trench
b) Mariana Trench
C) Mangrove
d) Conduit
e) None of these.
- The twinkling of stars occurs because of:
a) Reflection of light
b) Polarization of lightN
c) Refraction of light
d) Interference of light
e) None of these.
- The magnifying power of a simple microscope can be increased by:
a) Increasing the focal length of a lens
b) Reduction in focal length of the lens (for higher magnification, the focal length of the magnifying glass should be shorter).
c) Large aperture lens
d) Short aperture lens
e) None of these. - A bronze medal is made of metal:
a) Copper, Zinc
b) Copper, Nickel
c) Copper, tin
d) Soper, Silver
- One of the countries that straddles the equator is:
a) Kenya
b) Pakistan
C) Malaysia
D) Malta
e) None of these.
- A very important practical application of the properties of matter is the hoe or “gudi” used by farmers. This property of matter is called:
a) Flexibility
b) Stress
c) Capillarity (Wiki Answers)
d) Stress
e) None of these.
1000 everyday science solved mcqs
- It is observed that the total pressure of the air on a man of average size is about 14.7 lb wt. per square inch but the man feels quite comfortable. This is due to:
a) An equal and opposite pressure acts internally.
b) Of a man’s height
c) Gravity
d) Earth pulls man upwards.
e) None of these.
67) A nuclear reactor is a device used to carry out a controlled nuclear reaction while a GM counter is a device used to detect:
a) Current
b) Voltage
C) nuclear radiation
d) Strength
e) None of these.
- A body can escape the Earth’s gravity if it is thrown upward with a velocity of:
a) 25 miles per second
b) 60 miles per second
c) 7 miles per second
d) 10 miles per second
e) None of these.
- Night vision is possible with the help of:
a) Red light
b) Violet light
C) Infrared rays.
d) Ultraviolet light
e) None of these.
- Myopia is a defect of the human eye. This can be corrected by using a lens called:
a) Convex lens
b) Concave lens
c) Cylindrical lens
d) Plano convex lens
e) None of these.
- A walnut can be cracked in the hand by squeezing two but not one. This is due to:
a) The work is done.
b) Strength
C) Energy
d) Volume
e) None of these.
- An instrument I designed specifically to record earthquake waves is called a seismograph, which measures the Earth’s seismic waves.
a) Diatonic scale
b) Fahrenheit scale
c) Richter scale
d) Celsius scale
e) None of these.
- The planet Mercury completes one cycle around the Sun.
a) 88 days
b) 365 days
c) 98 days
d) 60 days
e) None of these. - Fossils found in the lowest geological strata are usually mostly:
a) Advance
b) Complex
c) Ancient
d) Exclusive
e) None of these.
- Evolution can be described as:
a) An ongoing process
b) A catastrophic event in the past
c) static
d) Acquisition of an ideal type
e) None of these.
- What is the only source of new alleles?
a) Crossing
b) Independent classification
C) Mutation
d) Fertilization
e) None of these. - A polygenic trait is controlled by:
a) Dominant gene
B) recessive genes
c) multiple genes
d) mutated genes
e) None of these. - Which of the following lists the four stages of food processing in order?
a) Ingestion, digestion, absorption, elimination
b) Digestion, absorption, absorption, elimination
c) Ingestion, absorption, excretion, digestion
d) Absorption, digestion, absorption, elimination
e) None of these.
- In humans, most nutrient molecules are absorbed through:
a) Small intestine
B) Stomach
C) Liver
d) large intestine
e) None of these.1000 everyday science solved mcqs
- The energy required to fuel essential body processes is called:
a) Essential nutrient levels
B) Basal metabolism
c) None of these.
d) Recommended daily allowance
e) Maximum amount of energy
- Which of the following is an organic molecule that the body needs in small amounts?
a) Protein
B) Vitamin C
C) Zinc
d) Monosaccharide
e) None of these.
- Inhaled air finally passes through which of the following?
a) Bronchiole
B) Larynx
C) Neck
d) Trachea
e) None of these.
- Which of the following is a form of sexual reproduction?
a) Hermaphroditism
B) Fission
C) Fragmentation
D) Budding
e) None of these.
- Cobalt is a material that:
a) Strongly attracted by a magnet
b) Is not attracted by a magnet.
c) is not a magnet.
d) Weakly attracted by a magnet
e) None of these. - Laughing gas has the chemical composition of following two elements which are:
a) Nitrogen + Hydrogen
b) Nitrogen + Carbon
c) Nitrogen + Oxygen
D) Oxygen + Carbon
e) None of these.
- Hepatitis A is transmitted from person to person by:
a. Water
b) Sneezing.
C) Spitting
D) Enemy
e) None of these.1000 everyday science solved mcqs
- The unit that integrates the various devices of a computer system is:
a) Register ALUb).
c) Control unit
d) Logical instructions
e) None of these.
- The most abundant element in the human body is:
a) Nitrogen
b) Oxygen
c) Carbon
d) Hydrogen
e) None of these.
- Cancer can be treated by:
a) Antibiotics and vaccines
b) Radiotherapy and antibodies
c) Chemotherapy and Radiotherapy
d) Antibodies and chemotherapy
e) None of these.
- Animals mainly obtain carbon dioxide from:
a) Starch
b) Sucrose
c) Glucose (when glucose is broken down, carbon dioxide and water are produced)
d) Glycogen
e) None of these
91) Individuals with the following blood groups are considered universal recipients.
A+
B+
c AB+
dO+
e None of these
(92) The study of life in outer space is known as:
a Endobiology
B. Exobiology
c Enterobiology
d Neobiology
e Microbiology
(93) The name of common mineral salt present in sativa is:
a Calcium oxalate
B. Potassium sulfate
c Sodium chloride
d Iron sulfate
e None of these.1000 everyday science solved mcqs
(94) The sensitive layer of the eye is:
a Corridus
B. Sclerotic
c Retina
d Cornea
e None of these
(95) Laughing gas has the chemical composition of the following two elements.
a Nitrogen + Hydrogen
b Nitrogen + Carbon
c Nitrogen + Oxygen
d Oxygen + Carbon
e None of these
(96) Dr. Abdul Salam of Pakistan was included in his coalition:
a Electromagnetic force and gravitational force
b The electromagnetic force and the weak nuclear force
c Gravity and the weak nuclear force
d weak nuclear force and strong nuclear force
e None of these
(97) Which triplet in DNA codes for valine:
a CTT
B.A.G.U
c Cat
d AAT
e None of these
(98) What is the probability that a diabetic child is born to both heterozygous normal parents?
a zero
B ¼
c ½
d ¾
e None of these
(99) Which of the following is not a part of Darwinism:
a High yield
B. Natural selection
c Inheritance for inherited roles
d survival competition
e None of these
(100) Role of biotechnology in food production based on:
a to decompose
B Breath
c Digestion
d fermentation
e None of these.1000 everyday science solved mcqs
(101) Which form of drug use involves the greatest risk of infection with the HIV (AIDS) virus:
a Smoking a cigarette
B. Alcohol use
c Injection of heroin
d Taking too 2 aspirin
e None of these
(102) The founders of modern astronomy were:
a Archimedes
b William Gilbert
c Nicolaus Copernicus
d Michael Faraday.
e None of these
(103) An instrument that measures very high temperatures:
a Manometer
B. Thermostat
c Chronometer
d Pyrometer
e None of these
(104) The science which deals with the study of the manners and manners of people:
a Ethnography
B. Morphology
c Ethics
d Genetics
e None of these
(105) Chemicals used to kill rats and mice are:
a pesticide
B. Rodenticides
c Fungicides
d Herbal medicines
e None of these
(106) Dry ice is:
a Methane hydrate
b liquid nitrogen
c Solid carbon dioxide
d frozen water
e None of these
(107) The chemical name of vinegar is:
a Sodium nitrate b. Dilute the acetic acid.
c Chloride of lime
d Calcium
e None of these
(108) Deficiency of the following vitamins decreases hemoglobin production.
a Biotin
B. Thamin
c Niacin
d Pyridoxine
e None of these
(109) Hygrometer is used to measure:
a Speed of sound
b Density of milk
c Air humidity
d Specific gravity of liquids
e None of these.
(110) Bronze is an alloy of:
a Copper and zinc
B. Tin and zinc
c Copper and tin
d Iron and zinc
e None of these
(111) Which of the following is more flexible?
a steel
B. Rubber
c Glass
d sponge
e None of these.1000 everyday science solved mcqs
(112) The orbital period of the planet Mercury around the Sun is:
a 88 days
B. 365 days
c 2 years
d 98 days
e None of these
(113) The most magnificent and majestic constellation in the sky is:
a Orion
B. Colombia
c Keynes major
d Taurus
e None of these
(114) “Black holes” refer to:
a Holes in the heavenly bodies
B Bright spots on the Sun
c Dropping high-density objects
d Low-density collapse
e None of these
(115) The study of eugenics is:
a Changing humans by altering their genetic makeup
B People of the European region
c Different races of mankind.
d Plant genetics
e None of these
(116) The position of the earth in its orbit, when it is at its greatest distance from the sun, which causes the northern summer:
a aphelion
B. Perihelion
c Perigee
d apogee
e None of these
(117) Diamond is a very expensive jewel. It consists of a single element:
a Carbon
B. Sleep
c Silver
d Platinum
e None of these
(118) Which of the following layers makes radio transmission possible?
a Troposphere
B. ionosphere
c Mesosphere
d Stratosphere
e None of these
(119) Which of the following explains the reason for not having a total eclipse of the sun?
a The mass of the Earth relative to the Moon
B. Moon’s orbit around the Earth
c The direction of the Earth’s rotation around the Sun
d The area of the Sun that is covered by the Moon.
e None of these
(120) Television signals are converted into light signals by:
a Optical fiber
B. Transistor
c decoder
d. Photodiode
e None of these
(121) Where do most Asteroids lie?
a In the asteroid belt between the orbits of Mars and Jupiter
b In the asteroid belt between the orbits of Mars and Venus
c In the asteroid belt between the orbits of Jupiter and Venus
d everywhere in the sky
e None of these
(122) The number of spark plugs in a diesel engine is:
a 2
B 3
c 0
d 4
e None of these
(123) The half-life of a radioactive element is 8 days. How long does it take to reduce it from 10 mg to 5 mg?
a 4 days
B. 12 days
c 16 days
d 8 days
e None of these
(124) The term blueshift is used to indicate:
a Doppler effect in which an object appears blue when it is moving toward the observer or when the observer is moving toward the object.
b Changing the star from white to blue
c In the future the sun will be blue.
d Black hole startI was blue.
e None of these
(125) Kilowatt hour is the unit of:
a power
b Electric current
c Energy
d time
e None of these
(126) The fuel used in a fast breeder reactor is:
a Uranium oxide
b Uranium plutonium carbide
c Uranium plutonium oxide
d Uranium thorium oxide
e None of these
(127) Due to Monsoon:
a Seasonal reversal of winds
B. Revolution of the earth
c Movement of clouds
d temperature rise
e Rain forests
(128) Which of the following atmospheric layers help in radio communication?
a Exosphere
B. ionosphere
c Troposphere
d Stratosphere
e The ozone layer
(129) A moderator is used in a nuclear reactor to:
a Accelerate the neutron.
b decrease the speed of the neutron.
c Increase the number of elections.
Decrease the number of d electrons.
e None of these
(130) Sedimentary rocks are:
a Insecure
b hard
c Rough
d brittle
e volcano
(131) Which of the following is a non-metallic mineral?
a Manganese
B. Magnesium
c Gypsum
d Bauxite
e None of these
(132) The ozone layer prevents the following radiation from entering the atmosphere.
a Infrared
B. Ultraviolet
c X-rays
d Gamma rays.
e None of these
(133) The phenomenon of Aurora Borealis, the display of red and green lights in the Northern Hemisphere is due to their radiation:
a ionosphere
B. Troposphere
c Mesosphere
d Stratosphere
e None of these (Thermosphere wikipedia)
(134) Yeast is used in bread making because it produces:
a Carbon dioxide
B. Thank you
c Bacteria
d Oxygen
e None of these
(135) Relation to Oasis:
a Glaciers
b desert
c Islands or the last island
d Volcanoes
e Fertile land
(136) The quartz crystal in quartz watches works on a principle called:
a Photoelectric effect
B. Strong effect
c Thermionic effect
d Piezoelectric effect
e None of these
(137) Seedless fruits like banana are called:
a seedless fruit
B. parthenogenesis fruit
c parthenocarpic fruit
d placental fruit
e Organic fruit
(138) An animal that captures and kills live animals for its food is called:
a parasite
B. The cleaner
c Hunter
d Mammals
e None of these
(139) In a railway track, two rails are joined end to end with a gap between them because:
a Steel can be salvaged.
B. Accidents due to winter shrinkage can be avoided.
c The air gap is necessary to support the weight of the moving train.
d Accidents due to summer expansion can be avoided.
e All this
(140) Name the famous book of Ibn Sina in which he discusses human physiology and medicine:
A law. Al Masoudi
c New Renaissance
D Reminder
e None of these
141- The planet of the solar system which has the most moons is:
a) Jupiter
B) Venus
c) Saturn
d) Uranus
e) None of these.
- The Sun is a:
a) Planet
b) Comet
c) Satellite
d) Aurora
e) None of these.
- The age of the solar system is
a) 4.5 billion years
B) 5.5 billion years
c) 6.5 billion years
d) 7.5 billion years
e) None of these.
- A unit of length equal to the mean distance between the earth and the sun is called
a) Light years
b) Astronomical unit
C) Parsec
d) Parallax
e) None of these.
- A solar eclipse occurs when
a) The Moon is between the Sun and the Earth.
b) The Sun is between the Earth and the Moon.
c) The Earth is between the Sun and the Moon.
d) The Earth casts its shadow on the Moon.
e) None of these.
- The ozone layer protects the earth from the rays sent by the sun:
a) Ultraviolet rays.
b) Infrared rays.
c) Gamma rays
d) radioactive rays
e) None of these.
- The ozone layer exists in the atmosphere about 30 miles (50 km) above the Earth. The surface (elevated atmosphere) that contains the ozone layer is called:
a) Exosphere
B) Mesosphere
c) Stratosphere
d) Ionosphere
e) Troposphere
- Which rocks are formed by the alteration of pre-existing rocks by intense heat or pressure?
a) Igneous rocks.
b) Sedimentary rocks.
c) Metamorphic rocks.
d) Acidic rocks.
e) basic rocks.
- are the most abundant natural iron oxides.
a) Magnetite and pyrite
b) Magnetite and bauxite
c) Hematite and pyrite
d) Hematite and magnetite
e) Hematite and bauxite
- Sea water contains the most abundant elements
a) Sodium and potassium
B) sodium and calcium
C) sodium and chlorine
d) Chlorine and Iodine
e) Magnesium and Sulphur
- can produce an electric current.
a) Chemical effect
b) Magnetic effect
C) Heating effect
d) All these three
e) None of these.
- The unit of energy consumption of household electricity is:
a) Watt hour
b) kWh
c) joule hour
d) kilojoule hour
e) None of these.
- A magnet always points in the same direction, if moving freely ie towards north and south poles, because:
a) Gravitational field
b) Many metals are deposited at the north and south poles.
c) Due to attraction of North Pole and repulsion of West Pole
d) Earth is a huge magnet.
e) None of these.
- When sound is reflected off the floor, ceiling, or wall, it mixes with the original sound and changes its color, called
A voice
b) echo
C) echo
d) Noise
e) None of these.
- The speed of sound at 20 C in dry air is approx.
a) 130 m/s
b) 230 m/s
c) 330 m/s
d) 430 m/s
e) Among them kNo.
- Is about light in space
a) 300 million meters per second
b) 300 million meters per hour
c) 300 million km/s
d) 300 million kilometers per hour
e) None of these.
- Time taken by light to reach Earth from Sun is:
a) 8 minutes
b) 25 minutes
c) 45 minutes
d) 60 minutes
e) None of these.
- Sunlight travels a long distance before reaching the earth:
a) 50 million km
b) 100 million km
c) 150 million km
d) 200 million km
e) None of these.
- The most suitable thermometer for measuring the boiling point of water is:
a) Mercury thermometer
b) Alcohol thermometer
c) Two metal thermometers
d) Liquid crystal thermometer
e) None of these.
- Density of water is highest:
a) 32 °C
b) 0 °C
c) 4°C
d) 100 °C
e) None of these.
- Which of the following statements is correct:
a) Gases do not conduct heat.
b) The best conductors are non-metals.
c) Conduction currents occur only in liquids.
d) Vacuum cannot carry heat
e) None of the statements is correct.
- Ice can be converted into water by:
a) Adding more water molecules
b) Changing the movement of water molecules
c) rearrangement of atoms in water molecules
d) Destroying atoms in water molecules
e) None of these.
- The building blocks of elements are called:
a) Atom
B) molecules
c) Compounds
D) isotopes
e) None of these.
- Boiling an egg is a transformation that:
a) Physical
b) Chemicals
C) Physical
D) Morphological
e) None of these.
- The temperature of liquid nitrogen is:
a) -32°C
b) -80 °C
c) -100 °C
D) -196 degrees Celsius
e) None of these.
- Which of the following is alkaline?
Water
B) Vinegar
c) Lemon juice
d) slaked lime
e) None of these.
- If alkali is slowly added to an acidic solution, the pH of the acidic solution is:
a) Increase
b) reduction
c) Increase by 7 and then decrease.
d) Subtract up to 7 and then add.
e) will remain the same.
- A common raw material for ceramics, which is usually found under topsoil?
a) Sand
B) Silt
c) Soil
d) Plaster of Paris
E) Melamine
- Polyamides are synthetic polymers commonly known as:
a) Synthetic rubber
b) Nylon
c) Cellulose
D) protein
e) None of these.
- The telephone was invented in 1876 in America by:
A) Marconi
b) Galileo
C) John Beard.
D) Edison
E) Graham Bell.
- Information can be sent over long distances in the form of:
a) Electrical signals through wires
b) Light signals through optical fibers
c) Radio waves through air
d) Any combination of these three.
e) None of these.
- Information may be stored:
a) Audio and video cassettes
b) Floppy and compact discs
C) Hard disk
d) Lasers and optical discs
e) Out of these four
- Computers can:
a) Add and subtract information only.
b) Add only subtract and sort information.
c) Add subtraction sequence and categorize the information.
d) Add and subtract but cannot sort information.
e) Subtract and sort but cannot categorize information.
174.IBM stands for:
a) International Business Machines
b) International Large Machines
c) Interconnected business machines.
d) Large interconnected machines.
e) None of these.
- Chemicals used to kill weeds are called:
a) Pesticides
b) Fungicides
c) Herbal medicines
d) fumigants
e) None of these.
- Cytoplasm consists of several types of structures called:
a) Protoplasm
B) Nucleus
c) Cytochrome
D) organelles
e) None of these.
- The structure of DNA was ela.Board by Watson and Crick in:
a) 1909
b) 1923
c) 1945
d) 1953
e) None of these.
- In DNA molecules, the base pair rule is:
a) Adenine is always bonded to thymine and cytosine to guanine.
b) Adenine is always bonded to cytosine and thymine to guanine
c) Adenine is always bonded to guanine and cytosine to thymine
d) Adenine is always bonded to uracil and cytosine to guanine.
e) None of these.
- The man belongs to the family:
A) Felidae
B) Hominidae
c) Mammals
d) Primataceae
e) None of these.
- Deficiency of vitamin C in the human body leads to a disease called:
a) Beriberi.
b) Night blindness
C) Rickets
D) Scurvy
e) None of these.
- The instrument used to measure the specific gravity of milk is:
a) Hygrometer
b) Barometer
c) Lactometer
d) Hydrometer
e) None of these. - One of the basic characteristics of living things is: a) Photosynthesis
B) Digestion
C) Emissions
D) Metabolism
e) None of these. - Plants that grow on other plants are called: a) Saprophytes
B) Parasites
C) Epiphytes
D) Pathogens
e) None of these. - According to feeding habits squirrels are: a) Fruity
b) Vegetarians
c) Carnivore
d) Omnivorous
e) Insectivorous. - Loss of water from leaves through stomata is called: a) Evaporation
b) Transpiration
c) Evapo-Transpiration
D) Respiration
e) None of these. - The study of how plants and animals interact with each other and with the nonliving environment is called: a) Ecosystem
b) Sociology
c) MonthThe provinces
d) Housing
e) None of these. - The number of bins in the human body is: a) 200
b) 202
c) 204
d) 206
e) None of these. - The nervous system in humans consists of: a) Brain and spinal cord.
B) brain and nerves.
C) spinal cord and nerves.
D) brain, spinal cord and nerves.
e) None of these. - In the human eye, the light-sensitive layer made up of specialized nerve cells, rods and cones is called:
a) Pupils
B) Cornea
c) sclera
D) Iris
e) Retina. - Erythrocytes are also called: a) Red blood cells
B) white blood cells
C) Platelets
d) Plasma
e) None of these.
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