Monday, February 27, 2023

Everyday Science 251-300 MCQs

 Everyday Science


251. Atom is made up of _______ different kinds of subatomic particles:

a. Three

b. Two

c. Four

d. None


252. The alpha particles are compact clusters of _________?

a. Electron and Proton

b. Two Proton and two Neutrons

c. Three protons and three Neutrons

d. None


253. The Beta particles are fast moving _________?

a. Protons

b. Electrons

c. Neutrons

d. None


254. One of the following countries produces maximum energy from atomic reactors?

a. France

b. USA

c. UK

d. none


255. The unit to measure the quantity of Ozone in atmosphere is?

a. Dobson

b. Dalton

c. Coulomb

d. None


256. The severity of 2005 earthquake in Pakistan on Richter scale was?

a. 6.9

b. 7.6

c. 7.1

d. none


257. Geiger-Muller counter is used to detect _________?

a. Protons

b. Neutrons

c. Photons

d. None


258. Vacuum tubes have been replaced by ________?

a. Conductors

b. Diodes

c. Transistors

d. None of these


259. It is a secondary plant nutrient?

a. Nitrogen

b. Phosphorus

c. Sulphur

d. None


260. An area of microbiology that is concerned with the occurrence of disease in human population is?

a. Immunology

b. Parasitology

c. Epidemiology

d. None


261. The number of electrons of a neutral atom is automatically known if one knows the?

a. Atomic number

b. Atomic weight

c. Number of orbitals

d. None


262. Which of the following is not an enzyme?

a. Chymotrypsin

b. Secretin

c. Pepsin

d. None


263. It is impossible for a type of O+ baby to have a type of ________ mother:

a. AB-

b. O-

c. O+

d. None


264. Serum if blood plasma minus its?

a. Calcium ions

b. Clotting proteins

c. Globulins

d. None


265. The autonomic nervous system innervates all of these except?

a. Cardiac muscles

b. Skeletal muscles

c. Smooth muscles

d. None


266. The damage to the ________ nerve could result in the defect of the eye movement:

a. Optic

b. Trigeminal

c. Abducens

d. None


267. Which of these is not a region of the spinal cord?

a. Thoracic

b. Pelvic

c. Lumber

d. None


268. The shape of the external ear is due to _________?

a. Elastic cartilage

b. Fibrocartilage

c. Articular cartilage

d. None


269. When a patient's immune system becomes reactive to a drug, this is an example of?

a. Super infection

b. Drug resistance

c. Allergy

d. None


270. What is the smallest unit of heredity?

a. Chromosomes

b. Gene

c. Nucleotides

d. None


271. The approximate intensity level of the sound which can cause damage to the ear drum is?

a. 20 dB

b. 60 dB

c. 100 dB

d. 160 dB


272. Fuse wire is made of _________?

a. 63% tin and 37% lead

b. 63% lead and 37% tin

c. 63% tin and 37% aluminum

d. 63% lead and 37% aluminum


273. Which one of the following is the main culprit in the thinning of Ozone layer in the earth's stratosphere?

a. Carbon dioxide

b. Chlorofluorocarbons

c. Nitrogen oxides

d. Methane


274. Steering of a car involves?

a. A single force

b. Two forces acting in the same direction

c. Two forces acting along different lines and in opposite direction

d. A pair of forces acting along the same line and in the opposite direction


275. The property by virtue of which metals can be beaten into thin sheets is known as?

a. Ductility

b. Malleability

c. Conductivity

d. Density


276. The sky appears blue because the earth's atmosphere _________?

a. Scatters blue light

b. Reflects blue light

c. Transmits blue light

d. Has actual blue cover


277. A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to __________?

a. Prop him up if he falls

b. Spread out his weight and reduce the pressure on the rope

c. Add extra weight and reduce the pressure on the rope

d. To keep the center of gravity always above vertically above the rope


278. When water is filled in a bottle and is allowed to freeze, the bottle breaks because

a. Water expands on freezing

b. Bottle contracts at freezing point

c. Temperature outside the bottle is less than that inside the bottle

d. None of the above


279. People living in high altitudes (like mountains) usually have a _________?

a. smaller number of Red Blood Cells

b. larger number of Red Blood Cells

c. smaller number of White Blood Cells

d. larger number of White Blood Cells


280. Copper is used in the production of ________?

a. Brick kilns

b. Children toys

c. Kitchen utilities

d. Electric wires


281. The blue colour of clear sky is due to _______?

a. Reflection of light

b. Refraction of light

c. Diffraction of light

d. Dispersion of light


282. A device that converts mechanical energy into electric energy is called _______?

a. Motor

b. Transformer

c. Coil

d. Generator


283. _______ is anything that takes up space and has mass.

a. Matter

b. Gravity

c. Energy

d. Plasma


284. All matter is made of ________?

a. Air

b. Water

c. Vibrations

d. Atoms


285. What are considered the building blocks of matter?

a. Molecule

b. Protons

c. Elements

d. Atoms


286. What are the three subatomic particles of an atom?

a. Protons, Neutrons & Electrons

b. Protons, Nucleus & Electrons

c. Protons, Nucleus & Elements

d. Elements, Nucleus & Protons


287. The protons and neutrons are found in the center of the atom, which is called the _______ of the atom?

a. Nucleus

b. Headquarters

c. Hub

d. None of these


288. _________ are positively (+) charged particles?

a. Neutrons

b. Electrons

c. Protons

d. None of these


289. _________ are negatively (-) charged particles of an atom?

a. Protons

b. Neutrons

c. Electrons

d. None of these


290. _________ have no charge?

a. Neutrons

b. Protons

c. Electrons

d. None of these


291. Elements are made of _______?

a. Atoms

b. Molecules

c. H2O

d. Compounds


292. SI unit of time is _________?

a. second

b. kilo gram

c. meter

d. volt


293. The speed of light is _________?

a. 280,000 km/s

b. 300,000 km/s

c. 320,000 km/s

d. None of these


294. The soul of chemistry is dealing with ________?

a. Internal structural changes in matter

b. Composition of matter

c. Properties of matter

d. Composition and properties of matter


295. Which one is the most common disease?

a. Dental

b. Leprosy

c. Headache

d. Migraine


296. Orange belongs to the family:

a. Malvaceae

b. Rotaceae

c. Rutaceae

d. Composite


297. Vertebral Column in human beings consists of how many vertebrae?

a. 5

b. 10

c. 12

d. 33


298. 2017 Noble Prize Currently Awarded in Physics is for _________?

a. Far Observation of Gravitational Waves

b. Far Observation of Gravitational weight

c. First Observation of Gravitational Waves

d. Far Objectivity of Gravitational Waves


299. Diesel engine was discovered by ________?

a. Paul Muller

b. Faraday

c. Waldeyer

d. Rudolf Diesel


300. Electron was discovered by?

a. Michael Faraday

b. James Maxwell

c. Yuri Gagarin

d. J.J Thomson

Sunday, February 26, 2023

Everyday Science 201-250 MCQs

 Everyday Science


201. A lake starts freezing because of the cold atmosphere. It will first freeze

a. at the bottom

b. in the middle pan

c. at the top surface

d. uniformly throughout the water body


202. The Sun appears red at sunrise and sunset while it appears white at noon, because

a. of refraction

b. it is cooler at sunrise and at sunset

c. of diffraction leading to red end of the spectrum reaching the earth

d. of scattering of light due to dust particles and air molecules


203. An astronaut inside a spacecraft is in a state of weightlessness. This implies that?

a. The mass of the astronaut is reduced to zero

b. Gravity inside the spacecraft ceases to act

c. The astronaut is outside the influence of the earth's gravitational force

d. The astronaut and the spacecraft are both in a free-failing state


204. An iceberg is floating in sea. How much of its mass will remain above the surface of water?

a. One tenth

b. One fifth

c. One fourth

d. One third


205. Most of the ozone in the atmosphere is concentrated in the _______?

a. Mesosphere

b. Troposphere

c. Stratosphere

d. Ionosphere


206. The cow's milk contains how much amount of water in terms of percentage?

a. 60%

b. 65%

c. 72%

d. 80%


207. T.V. transmission cannot cover a very large area because

a. the strength of T.V. waves is very limited

b. picture cannot be transmitted clearly after a specific distance

c. the shape of the earth is spherical

d. the air is not a good conductor of light and sound/waves


208. The green house effect is caused by an excess of?

a. Carbon dioxide

b. Carbon monoxide

c. Carbon tetrachloride

d. None of the above


209. Bats can also fly in dark because they are capable of taking the help of _______?

a. Ultraviolet waves

b. Ultrasonic waves

c. Electromagnetic waves

d. Special Retina


210. What is 'Stealth Technology'?

a. A device which when attached to an aircraft makes it invisible on the radar

b. A coating which reduces the visibility of an aircraft on radar

c. A technology by which it is possible for the aircraft's to spy in the enemy air-space

d. A technology by using which paratroopers can be dropped stealthily behind the enemy columns


211. The primary function of the feather in birds is to ________?

a. Provide insulation for preserving body heat

b. Provide striking surface to the wings for flying

c. Make the body surface waterproof

d. Impact coloration for species as well as sex recognition


212. The rear view mirror of a motor vehicle is ________?

a. Concave

b. Plane

c. Convex

d. Biconcave


213. Lead ball falls through water more slowly than through air because ________?

a. The value of 'g' is less in water

b. Density of air is less than that of water

c. Of the viscous force in water

d. Of the surface tension of water


214. A Fahrenheit thermometer indicates a temperature of 14 degree Fahrenheit. Its corresponding reading on the Celsius scale will be ________?

a. -20 degree C

b. -10 degree C

c. +10 degree C

d. +20 degree C


215. Which one of the following sets of color combinations is added in color vision in TV?

a. Red, Green and Blue

b. Orange, Black and Violet

c. White, Red and Yellow

d. Yellow, Green and Blue


216. A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _______?

a. Remain unaffected

b. Fall away from the train

c. Fall towards the train

d. Fall away from or towards the train depending upon the speed


217. Water is a highly effective coolant for a car engine because ________?

a. Water is good conductor of heat

b. Water has very high specific heat capacity

c. Water boils at a comparatively high temperature

d. Evaporation of water produces lot of cooling


218. Scalding with steam is more severe than scalding by boiling water because ________?

a. Steam can penetrate the skin

b. Steam is at a higher temperature

c. Steam contains more energy than boiling water

d. Steam is at a higher pressure


219. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as__________?

a. Electroplating

b. Annealing

c. Galvanization

d. Vulcanization


220. The cracking sound heard when dry hair is combed with a hard rubber comb is due to ________?

a. The hair barging against the charged comb

b. Small electric sparks

c. The rubbing of the comb with the hair

d. None of the above


221. Detergents dissolved in water help in cleaning clothes by ________?

a. Increasing the temperature of water

b. Reacting chemically with dirt

c. Reducing the surface tension of water

d. Dissolving dirt


222. The absorption of ink by blotting paper involves ________?

a. Viscosity of ink

b. Capillary action phenomenon

c. Diffusion of ink through the blotting

d. Siphon action


223. Materials for rain-proof coats and tents owe their water proof properties to _________?

a. Surface tension

b. Viscosity

c. Specific gravity

d. Elasticity


224. A satellite moving round the earth with a uniform speed has _______?

a. An accelerated motion

b. No acceleration at all

c. Uniform acceleration

d. Uneven acceleration


225. For being able to see three-dimensional pictures we have to use _______?

a. A binocular

b. A camera

c. An epidiascope

d. A stereoscope


226. Water has maximum density at _________?

a. 0 degree Centigrade

b. 4 degree Centigrade

c. 4 degree Kalvin

d. 4.8 degree Centigrade


227. The theory of Expanding Universe was first propounded by _________?

a. Einstein

b. Newton

c. Galleon

d. Hubble


228. An instrument to detect the purity of milk is ________?

a. Lactometer

b. Hygrometer

c. Manometer

d. Sonometer


229. Coulomb is the scientific unit to measure?

a. Velocity

b. Temperature

c. Mass

d. None of these


230. Who proposed this concept "All motion is relative"?

a. Albert Einstein

b. John Kepler

c. Galileo Galilei

d. None


231. The field of specialization of famous Muslim scientist Abu Usman Al-Jahiz was?

a. Botany

b. Zoology

c. Astronomy

d. None


232. Albatross is ________?

a. A sea bird

b. A beetle

c. A fruit

d. None


233. The sunlight can reach a depth of ________ meters in the ocean.

a. 80

b. 200

c. 120

d. None


234. The biggest planet in our solar system is _______?

a. Venus

b. Pluto

c. Jupiter

d. None


235. The biggest species of the cat family is ________?

a. Tiger

b. Lion

c. Leopard

d. None


236. Which group of animals has heterogametic females?

a. Domestic fowl

b. Earthworm

c. Rabbit

d. None


237. The dominant phase of life cycle in these organism is haploid?

a. Mosses

b. Bacteria

c. Protozoa

d. None


238. The atmosphere of moon consists of __________?

a. 90% Hydrogen and 10% Nitrogen

b. 80% Nitrogen and 20% Hydrogen

c. 60% Nitrogen and 40% Inert gases

d. None


239. The chemical name of quartz is:

a. Silicon Dioxide

b. Stannous Oxide

c. Aluminum Oxide

d. None


240. Which month of calendar year can lack a new moon?

a. December

b. February

c. May

d. None


241. Deuterium differs from Hydrogen in having:

a. Different atomic number but same atomic weight

b. Different atomic number and different atomic weight

c. Same atomic number and different atomic weight

d. None


242. One of the following is a water soluble vitamin?

a. Vitamin A

b. Vitamin D

c. Vitamin K

d. None


243. Equator passes through one of these countries _________?

a. Saudi Arabia

b. Italy

c. Japan

d. None


244. Anti Diuretic hormone is secreted by one of the following glands?

a. Pituitary

b. Pancreas

c. Thyroid

d. None


245. Basha Dam is to be constructed on _________?

a. River Sutlej

b. River Jhelum

c. River Chenab

d. None


246. UV light falls in the category of ________?

a. Ionizing Radiations

b. Non Ionizing Radiation

c. Visible light

d. None


247. The earth's ________ is divided into 15 major plates of various sizes.

a. Mesosphere

b. Stratosphere

c. Lithosphere

d. None


248. One of these scientists formulated basic laws of Geometry?

a. Pythagoras

b. Archimedes

c. Aristotle

d. None


249. Phosphorus is an essential component of one of the following biological molecules:

a. Amino acids

b. Nucleic acids

c. Carbohydrates

d. None


250. He was the first scientist to prove that Planets move around the Sun?

a. Archimedes

b. Galileo Galilei

c. John Kepler

d. None

Saturday, February 25, 2023

Everyday Science 151 - 200 MCQs

 Everyday Science


151. German Sliver is an alloy of _______?

a. Zn + Ni

b. Cu + Zn

c. Cu + Ni

d. Cu + Sn

e. None of these


152. The Continent Antarctica lies at the ________?

a. North pole

b. South pole

c. middle of the earth

d. Equator

e. None of these


153. The temperature of the dead body is _________ ?

a. 0 degree C

b. 37 degree C

c. room temperature

d. temperature of the place where it is kept

e. none of these


154. Lactometer is a type of Hydrometer which is used to measure the specific gravity of ________?

a. honey

b. water

c. milk

d. olive oil

e. none of these


155. Cusec is a unit of ______?

a. Area

b. Time

c. Distance

d. Mass

e. None of these


156. The deepest place on earth is _________?

a. Trench

b. Mariana Trench

c. Mangrove

d. Groove

e. None of these


157. Twinkling of stars is caused by?

a. Reflection of light

b. Polarization of light

c. Refraction of light

d. Interference of light

e. None of these


158. Magnifying power of a simple microscope can be increased by?

a. increasing focal length of the lens

b. decreasing focal length of the lens

c. lens of large aperture

d. lens of short aperture

e. none of these


159. A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

a. current

b. voltage

c. nuclear radiation

d. power

e. none of these


160. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

a. 25 miles per sec

b. 60 miles per sec

c. 7 miles per sec

d. 10 miles per sec


161. Myopia is a defect of Human eye. It 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


162. The instrument which I specially design for recording earth quake, wave is called seismograph which measure earth quake waves on a ________?

a. Diatonic scale

b. Fahrenheit scale

c. Richter scale

d. Celsius scale

e. None of these


163. In humans, most nutrient molecules are absorbed by the?

a. Small intestine

b. Stomach

c. Liver

d. Large intestine

e. None of these


164. Cobalt is a material which is?

a. Strongly attracted by a magnet

b. Not attracted by a magnet

c. not a magnet

d. Weakly attracted by a magnet

e. None of these


165. What is the body temperature of a normal man?

a. 81.1 degree centigrade

b. 37.0 degree centigrade

c. 98.6 degree centigrade

d. 21.7 degree centigrade


166. Which of the following helps in clotting of blood?

a. Vitamin B1

b. Vitamin B2

c. Vitamin D

d. Vitamin K


167. Total volume of blood in a normal adult human being is:

a. 5-6 liters

b. 3-4 liters

c. 8-10 liters

d. 10-12 liters


168. Red blood corpuscles are formed in the _______?

a. Liver

b. Bone Marrow

c. Kidneys

d. Heart


169. How many bones are there in an adult human being?

a. 210

b. 260

c. 206

d. 300


170. Tibia is a bone found in the _______?

a. Skull

b. Arm

c. Leg

d. Face


171. The largest part of the human brain is _______?

a. Medulla oblongata

b. Cerebellum

c. Cerebrum

d. None of these


172. What is the main component of bones and teeth?

a. calcium carbonate

b. calcium phosphate

c. calcium sulfate

d. calcium nitrate


173. The main constituent of hemoglobin is _________?

a. Chlorine

b. Iron

c. Calcium

d. None of these


174. The main function of the kidney is ________?

a. To control blood pressure

b. To control body temperature

c. To remove waste product from the body

d. To help in digestion of food


175. The function of hemoglobin is ________?

a. Transportation of oxygen

b. Destruction of bacteria

c. Prevention of anemia

d. Utilization of energy


176. Which of the following glands secrete tears?

a. Lachrymal

b. Pituitary

c. Thyroid

d. Pancreas


177. Which is the hardest gland in the human body?

a. Thyroid

b. Liver

c. Pancreas

d. None of these


178. Which is the largest organ in the human body?

a. Liver

b. Heart

c. Skin

d. Kidney


179. A person of which of the following blood groups is called a universal donor?

a. O

b. AB

c. A

d. B


180. Which gland in the human body is called the master gland?

a. Pancreas

b. Thyroid

c. Pituitary

d. Spleen


181. How many bones are there in a newly born infant?

a. 206

b. 230

c. 280

d. 300


182. Which of the following have maximum calorific value?

a. Carbohydrates

b. Fats

c. Proteins

d. Vitamins


183. Which of the following vitamins promote healthy functioning of eyes in human beings?

a. Vitamin B

b. Vitamin C

c. Vitamin A

d. Vitamin D


184. The average heartbeat per minute in a normal man is _______?

a. 50

b. 70

c. 80

d. 100


185. A person with which of the following blood groups can receive blood of any group?

a. A

b. AB

c. B

d. O


186. Malaria is a disease which effects the _________?

a. Heart

b. Lungs

c. Spleen

d. Kidneys


187. Which of the following disease is caused by virus?

a. Small pox

b. Tuberculosis

c. Malaria

d. Cholera


188. Medulla oblongata is a part of human ________?

a. Heart

b. Brain

c. Liver

d. Sex organ


189.Myopia is a disease connected with ________?

a. Ears

b. Eyes

c. Lungs

d. Brain


190. Leukemia is a disease of the _______?

a. Lungs

b. Blood

c. Skin

d. Nerves


191. Short-sightedness can be corrected by using _________?

a. Convex lens

b. Concave lens

c. Convex-concave lens

d. Concave-convex lens


192. Trachoma is a disease of the ________?

a. Liver

b. Eyes

c. Lungs

d. Kidneys


193. ECG is used for the diagnosis of aliments of?

a. Brain

b. Heart

c. Kidneys

d. Lungs


194. Dialysis is used for the treatment of _________?

a. Kidney failure

b. Heart weakness

c. Brain diseases

d. None of these


195. The most important stimulant in tea leaves is?

a. Brucine

b. Caffeine

c. Phenylalanine

d. Theine


196. Dolly is the name of the?

a. First cloned sheep

b. First cloned monkey

c. First test-tube baby

d. First human fossil


197. Which part of the Camera is analogue to retina in the human eye?

a. Lens

b. Film

c. Aperture

d. Shutter


198. When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

a. Eye is unable to adjust itself immediately

b. Retina becomes insensitive momentarily

c. Iris is unable to dilate the pupil immediately

d. Distance between the lens and retina take time to adjust


199. What is the average adult pulse rate?

a. 140-150

b. 115-125

c. 72-80

d. 60


200. The beautiful color patterns exhibited by a peacock in its tail feathers are due to?

a. Selective absorption of light

b. Selective reaction of light

c. Interference of light

d. Natural color pattern of feathers

Thursday, February 23, 2023

Everyday Science 101-150 MCQs

 Everyday Science


101. What is the chance of diabetic baby born to parents both heterogenous normal?

a. Zero

b. 1/4

c. 1/2

d. 3/4

e. none of these


102. Which of the following is not a part of Darwinism?

a. over production

b. natural selection

c. inheritance for acquired characters

d. competition for survival

e. none of these


103. Role of biotechnology in the production of food based on_______?

a. decomposition

b. respiration

c. digestion

d. fermentation

e. none of these


104. Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus?

a. cigarette smoking

b. using alcohol

c. injection of heroine

d. taking too much aspirin

e. none of these


105. Founder of modern astronomy was _________?

a. Archimedes

b. William Gilbert

c. Nicolas Copernicus

d. Michael Faraday

e. none of these


106. The instrument which measures very high temperature is _________?

a. Manometer

b. Thermostat

c. Chronometer

d. Pyrometer


107. The science which deals with study of manners and customs of people is?

a. Ethnology

b. Morphology

c. Ethics

d. Genetics

e. none of these


108. Chemical used to kill rats and mice are?

a. insecticides

b. rodenticides

c. fungicides

d. herbicides

e. none of these


109. Dry ice is ______?

a. methane hydrate

b. liquid nitrogen

c. solid carbon dioxide

d. frozen water

e. none of these


110. Chemical name of vinegar is __________?

a. sodium nitrate

b. dilute acetic acid

c. chloride of lime

d. calcium


111. Deficiency of following vitamin decreases hemoglobin production?

a. Biotin

b. Thiamine

c. Niacin

d. Pyridoxine

e. none of these


112. Hygrometer is used for measuring the _______?

a. speed of sound

b. density of milk

c. humidity of air

d. specific gravity of liquids

e. none of these


113. 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


114. Which of the following is most elastic?

a. steel

b. rubber

c. glass

d. sponge

e. none of these


115. 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


116. The most splendid and the most magnificent constellation on the sky is?

a. Orion

b. Columbia

c. Canis Major

d. Taurus

e. none of these


117. Eugenics is the study of ________?

a. altering human beings by changing their genetic components

b. people of European region

c. different races of mankind

d. genetic of plants

e. none of these


118. The position of Earth in its orbit, when it is at its greatest distance from the Sun causing northern summer is called _________?

a. Aphelion

b. Perihelion

c. Perigee

d. Apogee

e. none of these


119. Diamond is a very expensive ornament. It is composed of a single element _______?

a. carbon

b. gold

c. silver

d. platinum

e. none of these


120. Which of the following layers make radio transmission possible?

a. Troposphere

b. Ionosphere

c. Mesosphere

d. Stratosphere

e. none of these


121. Which of the following explains the reason why there is no total eclipse of the sun?

a. size of the earth in relation to that of moon

b. orbit of moon around earth

c. direction of rotation of earth around sun

d. area of the sun covered by the moon

e. none of these


122. Television signals are converted into light signals by _______?

a. optical fiber

b. transistor

c. decoder

d. photo diode

e. none of these


123. Where do most of Asteroids lie?

a. In asteroid belt between the orbits of Mars and Jupiter

b. In asteroid belt between the orbits of Mars and Venus

c. In asteroid belt between the orbits of Jupiter and Venus

d. Everywhere in the sky

e. none of these


124. The number of spark plugs needed in a diesel engine is _______?

a. 2

b. 3

c. 0

d. 4

e. none of these


125. The half life of a radioactivity element is 8-days. How long 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


126. The term 'Blue Shift' is used to indicate?

a. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.

b. Turning star from white to blue

c. In future sun would become blue

d. Black hole was blue at its start

e. none of these


127. 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


128. Monsoon is caused by __________?

a. seasonal reversal of winds

b. revolution of earth

c. movement of clouds

d. rise in temperature

e. rain forests


129. Which of the following atmospheric layers help in radio communication?

a. Exosphere

b. Ionosphere

c. Troposphere

d. Stratosphere

e. Ozone layer


130. A moderator is used in nuclear reactor in order to?

a. Accelerate the neutrons

b. Slow down the speed of neutrons

c. Increase the number of electrons

d. Decrease the number of electrons

e. none of these


131. Sedimentary rocks are _______?

a. Porous

b. Hard

c. Rough

d. Brittle

d. Volcanic


132. Which one of the following is a non-metallic mineral?

a. Manganese

b. Magnesium

c. Gypsum

d. Bauxite

e. none of these


133. Ozone layer prevents _________ radiation from entering the atmosphere?

a. Infra-red

b. Ultraviolet

c. x-rays

d. gamma rays

e. none of these


134. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from _________?

a. Ionosphere

b. Troposphere

c. Mesosphere

d. Stratosphere

e. none of these


135. Yeast is used in making bread because it produces _________?

a. carbon dioxide

b. sugar

c. bacteria

d. oxygen

e. none of these


136. Oasis is associated with _______?

a. Glaciers

b. Desert

c. Islands

d. Volcanoes

e. Fertile land


137. Quartz crystal in quartz watches work on the principle called?

a. Photoelectric effect

b. Stark effect

c. Thermionic effect

d. Piezo-electric effect

e. none of these


138. The fruits without seed, like banana, are called _________?

a. Seedless fruits

b. Parthenogenesis fruits

c. Parthenocarpic fruits

d. Placental fruits

e. Organic fruits


139. Animal which captures and readily kills living animals for its food is called _________?

a. Parasite

b. Scavenger

c. Predator

d. Mammal

e. none of these


140. In a railway track, two rails are joined end to end with a gap tin between them because?

a. steel can be saved

b. accidents due to contraction in winter can be avoided

c. air gaps are necessary for bearing the weight of running train

d. accidents due to expansion in summer can be avoided

e. all of these


141. Name the famous book of Ibn-Sina in which he discussed human physiology and medicine?

a. Al-Qanun

b. Al-Masudi

c. New Renaissance

d. Tadhkira

e. None of these


142. Water is heated in a kettle. The inside water is heated by convection. A person siting near the fire receives heat by ______?

a. conduction

b. convection

c. radiation

d. reflection

e. none of these


143. In winter, an iron pipe feel colder than a wooden window. This is because wood is ______?

a. conductor

b. non-conductor

c. semi-conductor

d. not a solid while iron is a solid

e. none of these


144. The echo (reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least _________?

a. 1120 ft

b. 120 ft

c. 56 ft

d. 1100 ft

e. none of these


145. It is possible to recognize a person in the dark by simply hearing his unique voice. It is because of the ________?

a. pitch

b. frequency

c. time period

d. quality

e. none of these


146. When a ray of sunlight enters a dark room, its straight path become visible because of dust particles hanging in the air. It is because light is _______?

a. visible

b. transparent

c. invisible

d. opaque

e. none of these


147. A six feet tall lady wants to see her full image in a plane mirror. The minimum length of the mirror will be?

a. 6 feet

b. 12 feet

c. 4 feet

d. 3 feet

e. none of these


148. The principle used in radar is the same as that of Sonar. In radar we use radio waves; whereas in sonar we use?

a. red waves

b. infrared waves

c. ultrasonic

d. super sonic

e. none of these


149. In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus, this nuclear reaction is called?

a. chemical reaction

b. nuclear reaction

c. fission nuclear reaction

d. fusion nuclear reaction

e. none of these


150. Parsec is a unit of ________?

a. energy

b. time

c. power

d. distance

e. none of these

Wednesday, February 22, 2023

Everyday Science 51-100 MCQs

Everyday Science


51. Carrot is good source of Vitamin ________?

a. Vitamin A

b. Vitamin B

c. Vitamin C

d. Vitamin D


52. For proper formation of teeth, _______ is essential?

a. iodine

b. copper

c. fluorine

d. iron


53. Deficiency of _______ causes loss of appetite and poor growth?

a. zinc

b. iodine

c. copper

d. iron


54. Meteorology is the study of?

a. Seasons

b. Atmosphere

c. Air and sounds

d. Winds and clouds


55. The Carbon Dioxide in the atmosphere, by volume, is _______?

a. 0.039%

b. 3.9%

c. 13%

d 30%


56. Diamond is an allotropic form of _________?

a. Carbon

b. Hydrogen

c. Nitrogen

d. Silicon


57. The SI unit of Heat is ________?

a. Watt

b. Volt

c. Joule

d. Newton


58. The good sources of Vitamin-A are?

a. green leafy vegetables

b. seeds

c. fresh vegetables and fruits

d. sea foods


59. The good sources of Vitamin-B complex are?

a. green leafy vegetables

b. seeds

c. fresh vegetables and fruits

d. sea foods


60. The good sources of Vitamin-C are?

a. green leafy vegetables

b. seeds

c. fresh vegetables and fruits

d. sea foods


61. The good sources of iodine are _____?

a. green leafy vegetables

b. seeds

c. fresh vegetables and fruits

d. sea foods


62. The gas, commonly known as "laughing gas", is

a. carbon dioxide

b. sulfur dioxide

c. nitrous oxide

d. sodium oxide


63. The source of oxygen in photosynthesis is:

a. water

b. salts

c. minerals

d. glucose


64. The instrument used to measure wind speed is?

a. Anemometer

b. Barometer

c. Hydrometer

d. Hygrometer


65. The natural fats and oils are composed of _____?

a. carbon, hydrogen and oxygen

b. carbon, hydrogen and nitrogen

c. carbon, oxygen and nitrogen

d. hydrogen, oxygen and nitrogen


66. The energy value of food is measured in _____?

a. Joule

b. Calories

c. Tesla

d. Proteins


67. Wind energy is the _____ energy.

a. Potential

b. Transverse

c. Kinetic

d. Mechanical


68. Who is considered the founder of meteorology?

a. Aristotle

b. Plato

c. Einstein

d. Newton


69. Water covers ________ of the Earth's surface?

a. 61%

b. 67%

c. 71%

d. 76%


70. In general, wind speed of 10-13 kph caused ________?

a. minor or no damage

b. considerable damage

c. severe damage

d. extreme damage


71. Acid rain is mainly caused by emissions of _______ in the atmosphere?

a. sulfur dioxide and potassium nitrate

b. sulfur and charcoal

c. nitrogen oxide and potassium nitrate

d. sulfur dioxide and nitrogen oxide


72. About 50% of the Earth's crust, including the waters on the Earth and atmosphere, is?

a. oxygen

b. carbon dioxide

c. silicon

d. clay


73. The fourth state of matter is?

a. water

b. salts

c. vapours

d. plasma


74. The device used to convert Alternate Current into Direct Current is called?

a. Anemometer

b. Battery

c. Galvanometer

d. Rectifier


75. In night, when photosynthesis is stopped, plants __________?

a. take in carbon dioxide

b. give off oxygen

c. give off carbon dioxide

d. none of these


76. __________ are called the powerhouses of the cell?

a. Mitochondria

b. Vesicles

c. Lungs

d. Liver


77. One of the countries through which equator passes is _______?

a. Kenya

b. Malaysia

c. Malta

d. Pakistan


78. Copper can be converted into gold by?

a. artificial radioactivity

b. heating

c. electroplating

d. chemical reaction


79. The three elements needed for healthy growth of plants are ______?

a. N, P, K

b. N, C, P

c. N, K

d. N, S, P


80. Clocks, which moves with the velocities comparable with the velocity of light, run?

a. fast

b. slow

c. equal to the velocity of light

d. with zero velocity


81. Max Planck received the noble prize in Physics in 1918 for his discovery of?

a. electron

b. energy quanta

c. photon

d. positron


82. Bronze medal is made up of metals?

a. copper, nickel

b. copper, tin

c. copper, silver

d. copper, zinc


83. Addison's disease is caused by the deficiency of _________?

a. Antidiuretic Hormone

b. Luteinizing Hormone

c. Melanophore stimulating Hormone

d. Adrenocorticotrophic Hormone


84. Humming bird belongs to a category called?

a. Ectotherm

b. Endotherm

c. Exotherm

d. Heterotherm


85. Radioactive isotope of Uranium used in Nuclear Bomb is?

a. 92 U 235

b. 92 U 234

c. 92 U 233

d. 92 U 238


86. Human population growth is greatest in developing countries because?

a. the birth rate is high in developing countries

b. the death rate is high in developing countries

c. much of the population has already reached the child bearing age

d. most of the world's population lives in industrialized countries


87. Which woody raw material is used for the manufacture of paper pulp?

a. cotton

b. poplar

c. bagasse

d. rice straw


88. Rectified spirit contains alcohol about?

a. 80%

b. 95%

c. 70%

d. 85%


89. Which of the following elements is not present abundantly in Earth's crust?

a. silicon

b. radium

c. aluminum

d. carbon


90. The famous book; Al - Qanun was written by the Muslim scientist?

a. Jabar bin Hayyan

b. Zakariya Al - Razi

c. Abu Ali Sina

d. Abdul Qasim Majreeti


91. Basic metals can be converted into gold by?

a. Heating

b. Beating

c. Artificial nuclear radioactivity

d. Chemical reaction


92. A light year is a unit of?

a. time

b. energy

c. length

d. mass


93. One of the main function of the Earth's ozone layer is to?

a. Prevent global warming

b. Filter out ultraviolet rays

c. Absorb pollution

d. All of the above


94. Person with following blood group are considered to be universal recipient?

a. A+

b. B+

c. AB+

d. O+

e. None of these


95. Study of life in outer space is known as?

a. Endobiology

b. Exobiology

c. Enterobiology

d. Neobiology

e. Microbiology


96. The name of common mineral salt present in sweat is?

a. calcium oxalate

b. potassium sulphate

c. sodium chloride

d. iron sulphate

e. none of these


97. Sensitive layer of the eye is?

a. chloride

b. sclerotic

c. retina

d. cornea

e. none of these


98. Laughing gas has chemical composition of following two elements?

a. nitrogen + hydrogen

b. nitrogen + carbon

c. nitrogen + oxygen

d. oxygen + carbon

e. none of these


99. Which triplet in DNA codes for valine?

a. CTT

b. AGU

c. CAT

d. AAT 

e. none of these


100. Dr. Abdus Salam of Pakistan was one of the contributors of the unification of _______?

a. electromagnetic force and gravitational force

b. electromagnetic force and weak nuclear force

c. gravitational force and weak nuclear force

d. weak nuclear force and strong nuclear force

e. none of these

Sunday, February 19, 2023

Everyday Science 1-50 MCQs

 Everyday Science


1. Which is the outermost planet in the solar system?

a. Mercury

b. Pluto

c. Neptune

d. Uranus


2. Severe deficiency of Vitamin D results in _______ .

a. scurvy

b. rickets

c. night blindness

d. none of these


3. The SI unit of charge is _________ ?

a. Ampere

b. Coulomb

c. Ohm

d. Volt


4. Long-sight defect could be corrected by using ________ lens?

a. concave

b. convex

c. diverging

d. none of these


5. Deficiency of Vitamin-A results in ________ ?

a. Night blindness

b. rickets

c. scurvy

d. hair fall


6. For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will _________ ?

a. also decrease

b. increase

c. remains constant

d. none of these


7. The lifespan of Red Blood Cells is ________ days?

a. 60

b. 120

c. 180

d. 240


8. The density of water is _______?

a. 1 g/cm3

b. 1.5 g/cm3

c. 2 g/cm3

d. none of these


9. Radioactivity was discovered by _________?

a. Kelvin

b. Thomson

c. Rutherford

d. Becquerel


10. A device which converts chemical energy into electrical energy is called ________?

a. motor

b. generator

c. moving-coil meter

d. battery


11. The Sun is a ________?

a. Star

b. Planet

c. Asteroid

d. Meteor


12. The gas used in a refrigerator to cool water is ________?

a. Nitrogen

b. Carbon dioxide

c. Methane

d. Tetrafluoroethene


13. The average adult has a blood volume of about ________ liters.

a. 4

b. 5

c. 6

d. 7


14. The most abundant element in the universe is _______.

a. Oxygen

b. Hydrogen

c. Carbon dioxide

d. Silicon


15. The most abundant element in the Earth's crust is _______?

a. Oxygen

b. Hydrogen

c. Carbon dioxide

d. Silicon


16. Each day human body breathe in ________ liters of air.

a. 5,000 to 10,000

b. 10,000 to 15,000

c. 15,000 to 20,000

d. 20,000 to 25,000


17. Deficiency of Vitamin-D results in _______?

a. night blindness

b. rickets

c. scurvy

d. hair fall


18. The SI unit of "pressure" is ________.

a. pascal

b. joule

c. tesla

d. henry


19. The most densest substance on the Earth is ________.

a. Platinum

b. Copper

c. Steel

d. Osmium


20. A camera uses a ________ to form an image.

a. convex lens

b. concave lens

c. condenser lens

d. none of these


21. Which from the following is NOT a conductor?

a. Aluminum

b. Gold

c. Graphite

d. All are conductors


22. CNG stands for?

a. Converted Natural Gas

b. Conduced Natural Gas

c. Conducted Natural Gas

d. Compressed Natural Gas


23. Which from the following is true for "Sound"?

a. Sound can not travel through a vacuum

b. Sound can not travel through gases

c. Sound can not travel through liquids

d. Sound can not travel through solids


24. When white light is passed through a prism, it splits into _______ colors.

a. 5

b. 6

c. 7

d. 8


25. 1 nanometer = ?

a. 10-3 meter

b. 10-6 meter

c. 10-9 meter

d. 10-12 meter


26. Instrument used for measuring very high temperature is ________?

a. Pyroscope

b. Pyrometer

c. Seismograph

d. Xylometer


27. Sound waves are ________ waves.

a. Transverse

b. Electromagnetic

c. Longitudinal

d. None of these


28. The lifespan of White Blood Cells is _______ days?

a. 1-5 days

b. 3-7 days

c. 4-8 days

d. 5-21 days


29. The fluid part of blood is known as _______ ?

a. plasma

b. platelets

c. blood cells

d. none of these


30. During winter in cold countries, the _________ is mixed to melt the ice on the icy roads.

a. Salt

b. Chlorine

c. Carbon dioxide

d. Water


31. In a very low temperature which from the following will freeze at last?

a. river water

b. canal water

c. sea water

d. water in a lake


32. The nearest planet to the Earth is ________?

a. Venus

b. Mercury

c. Mars

d. Moon


33. The planet that moves round the Sun at the highest speed is _______?

a. Jupiter

b. Venus

c. Mars

d. Mercury


34. In general, Comets have ________ orbits.

a. Elliptical

b. Highly Elliptical

c. Circular

d. Parabolic


35. GPS is an abbreviation for?

a. Global Poles System

b. Global Polysilicon Store

c. Global Positioning System

d. Global Position Structure


36. Oxidation is a chemical reaction involving the _______?

a. gain of electrons

b. loss of electrons

c. gain of protons

d. loss of protons


37. At night, Plants intake _______ and release _______?

a. oxygen - carbon dioxide

b. carbon dioxide - oxygen

c. oxygen - carbon monoxide

d. carbon monoxide - oxygen


38. Urine is produced in _______?

a. kidneys

b. lungs

c. large intestine

d. liver


39. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in _______ of sea water.

a. 1 gram

b. 10 grams

c. 1 kg

d. 10 kg


40. The planet which is easily visible from the Earth is?

a. Mercury

b. Venus

c. Mars

d. Jupiter


41. The Great Spot is on the planet ________?

a. Saturn

b. Venus

c. Mars

d. Jupiter


42. 1 light year = ?

a. 9.5*10-6 km

b. 9.5*10-9 km

c. 9.5*10-12 km

d. 9.5*10-18 km


43. The bodyguard of the Earth is _______ that saves the Earth from many Comets and Asteroids.

a. Mars

b. Saturn

c. Uranus

d. Jupiter


44. The planets visible to us without using a telescope are ________?

a. 3

b. 4

c. 5

d. 6


45. According to Big Bang Theory, the Universe began about _______ billion years ago.

a. 10 - 20

b. 20 - 30

c. 30 - 40

d. 40 - 50


46. Biosensor is used to measure?

a. Blood Glucose level

b. The body pH value

c. Amount of hemoglobin

d. Salinity in Urine


47. Einstein's famous equation which states that mass and energy are interchangeable is?

a. E = mc2

b. E = cm2

c. M = ec2

d. M = ce2


48. The SI unit of electric current is?

a. Coulomb

b. Ampere

c. Volt

d. Watt


49. What is dry ice?

a. Solid Oxygen

b. Solid Carbon dioxide

c. Solid Hydrogen

d. Solid Nitrogen


50. Digestion of food is completed in the _______?

a. small intestine

b. large intestine

c. stomach

d. liver