Every Day Science MCQS 181 TO 200

Every Day Science MCQS 181 TO 200

1.       181. To measure the specific gravity of milk, the instrument used is:

a) Hygrometer
b) Barometer
c) Lactometer
d) Hydrometer
e) None of these.

182. one of the fundamental characteristics of living organisms is:

a) Photosynthesis
b) Digestion
c) Excretion
d) Metabolism
e) None of these.

183. Plants growing on other plants are called as:

a) Saprophytes
b) Parasites
c) Epiphytes
d) Pathogens
e) None of these.

184. As per eating habit, squirrels are:

a) Frugivorous
b) Herbivorous
c) Carnivorous
d) Omnivorous
e) Insectivorous.

185. Water loss from leaves through stomata is called as:

a) Evaporation
b) Transpiration
c) Evapo-Transpiration
d) Respiration
e) None of these.

186. the study of how plants and animals interact with one another and with the non-living environment is called as:

a) Ecosystem
b) Sociology
c) Ecology
d) Habitat
e) None of these.

187. The number of bines in human body is:

a) 200
b) 202
c) 204
d) 206
e) None of these.

188. Nervous system in human 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.

189. In human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as:

a) The pupil
b) The cornea
c) The sclera
d) The iris
e) The retina.

190. Erythrocytes are also called as:

a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
e) None of these

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Every Day Science MCQS 161 TO 180

Every Day Science MCQS 161 TO 180


161.Which one of the following statements is true:

a) Gases do not conduct heat
b) The best conductors are non-metals
c) Conduction currents occur only in liquids
d) A vacuum can not conduct heat
e) None of the statements is true.

162. Ice can be changed to water by:

a) Adding more water molecules
b) Changing the motion of the water molecules
c) Rearranging the atoms in water molecules
d) Destroying the atoms in water molecules
e) None of these

163. The building blocks of elements are called:

a) Atoms
b) Molecules
c) Compounds
d) Isotopes
e) None of these

164. Boiling of an egg is a change which is:

a) Physical
b) Chemical
c) Physiological
d) Morphological
e) None of these

165. The temperature of liquid nitrogen is:

a) -32°C
b) -80°C
c) -100°C
d) -196°C
e) None of these

166. Which one of the following is an alkali?

a) water
b) vinegar
c) lemon juice
d) slaked lime
e) None of these

167. If an alkali is slowly added to an acidic solution, the pH of the acidic solution will:

a) Increase
b) Decrease
c) Increase to 7 and then decrease
d) Decrease to 7 and then increase
e) Will remain same

168. The usual raw material for ceramics, generally found beneath the top soil is?

a) Sand
b) Slit
c) Clay
d) Plaster of Paris
e) Melamine

169. Polyamides are synthetic polymers commonly known as:

a) Synthetic rubber
b) Nylon
c) Cellulose
d) Protein
e) None of these.

170. Telephone was invented in 1876 in America by:

a) Marconi
b) Galileo
c) John Beard
d) Edison
e) Graham Bell.

171. Information can be sent over long distances in the form of:

a) Electrical signals through wires
b) Light signals through optical fibres
c) Radio waves through air
d) Any combination of these three.
e) None of these

172. Information can be stored in:

a) Audio and video cassettes
b) Floppy and compact discs
c) Hard disks
d) Laser and optical disks
e) All of these four

173.Computers can:

a) Add and subtract information only.
b) Add subtract and sort information only.
c) Add subtract sort and classify information.
d) Add and subtract but cannot sort information.
e) Add subtract and sort but cannot classify information.

174.IBM stands for:

a) International Business Machines
b) International Big Machines
c) Interrelated Business Machines
d) Interrelated Big Machines
e) None of these.

175. Chemicals used to kill weeds are called as:

a) Insecticides
b) Fungicides
c) Herbicides
d) Fumigants
e) None of these.

176. The cytoplasm consists of several types of structures, which are called:

a) Protoplasm
b) Nucleus
c) Cytochromes
d) Organelles
e) None of these.

177. The structure of DNA was elaborated by Watson and Crick in:

a) 1909
b) 1923
c) 1945
d) 1953
e) None of these.

178. In a DNA molecules, the rulefor base pairing is:

a) Adenine always bound with thymine and cytosine with guanine
b) Adenine always bound with cytosine and thymine with guanine
c) Adenine always bound with guanine and cytosine with thymine
d) Adenine always bound with uracil and cytosine with guanine
e) None of these.

179. Man belongs to the family:

a) Felidae
b) Hominidae
c) Mammalia
d) Primataceae
e) None of these.

180. Deficiency of vitamin C in human body causes a deficiency disease called:

a) Beriberi
b) Night blindness
c) Rickets
d) Scurvy
e) None of these.

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Every Day Science MCQS 141 TO 160

Every Day Science MCQS 141 TO 160


141- The planet of the solar system which has maximum numbers of Moon is:

a) Jupiter
b) Venus
c) Saturn
d) Uranus
e) None of these

142. Sun is a:

a) Planet
b) Comet
c) Satellite
d) Aurora
e) None of these

143. 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

144. A unit of length equal to the average distance between the earth and sun is called

a) Light year
b) Astronomical unit
c) Parsec
d) Parallax
e) None of these

145. An eclipse of the sun 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

146. The ozone layer protects the earth from rays sent by the sun:

a) Ultraviolet rays
b) Infrared rays
c) Gamma rays
d) radioactive rays
e) None of these

147. The ozone layer is present about 30miles (50km) in atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies is called as:

a) Exosphere
b) Mesosphere
c) Stratosphere
d) ionosphere
e) Troposphere

148. Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure

a) Igneous rocks
b) Sedimentary rocks
c) Metamorphic rocks
d) Acid rocks
e) Basic rocks

149. The most abundant natural Iron oxides are

a) Magnetite and Pyrite
b) Magnetite and Bauxite
c) Hematite and Pyrite
d) Hematite and Magnetite
e) Hematite and Bauxite

150.The most abundant elements in sea water are

a) Sodium and Potassium
b) Sodium and Calcium
c) Sodium and Chlorine
d) Chlorine and Iodine
e) Magnesium and Sulphur

151. An electric current can produce

a) Chemical effect
b) Magnetic effect
c) Heating effect
d) All of these three
e) None of these

152. The unit of home electricity energy consumption is:

a) Watt hour
b) Kilowatt hour
c) Joule hour
d) Kilojoule hour
e) None of these

153. The magnet always points in the same direction, if move freely i.e. towards north and south poles, because of:

a) Gravitational field
b) A lot of metals deposits on north and south poles
c) Due to attraction of north pole and repulsion of Western pole
d) Earth is a huge magnet
e) None of these

154. When sound is reflected from floor, ceiling or a wall , it mixes with the original sound and change its complexion, it is called as

a) Sound
b) Echo
c) Reverberation
d) noise
e) None of these

155. the speed of sound in dry air at 20 C is about

a) 130 meters per second
b) 230 meters per second
c) 330 meters per second
d) 430 meters per second
e) None of these

156.The of light in vacuum is about

a) 300 Million meters per second
b) 300 Million meters per hour
c) 300 Million kilometers per second
d) 300 Million kilometers per hour
e) None of these

157. The time light takes from Sun to reach Earth is:

a) 8 minutes
b) 25 minutes
c) 45 minutes
d) 60 minutes
e) None of these

158. Light from Sun travels a distance before it reaches Earth:

a) 50 Million Km
b) 100 Million Km
c) 150 Million Km
d) 200 Million Km
e) None of these

159. the most suitable thermometer for measuring the boiling point of water is:

a) Mercury thermometer
b) Alcohol thermometer
c) Bimetallic thermometer
d) Liquid crystal thermometer
e) None of these

160. The density of water is greatest at:

a) 32°C
b) 0°C
c) 4°C
d) 100°C
e) None of these

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Every Day Science MCQS 121 TO 140

Every Day Science MCQS 121 TO 140


(121) 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

(122) The number of spark plugs needed 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 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 ‘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 a star from white to blue
c. In future sun would become blue
d. Black hole was blue at its start
e. None of these

(125) Kilowatt-hour is a unit of:

a. Power
b. Electric Current
c. Energy
d. Time
e. None of these

(126) 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) Monsoon is caused by:

a. Seasonal reversal of winds
b. Revolution of earth
c. Movement of clouds
d. Rise in temperature
e. Rain forests

(128) Which of the following atmospheric layers help in radio communication?

a. Exosphere
b. Ionosphere
c. Troposphere
d. Stratosphere
e. Ozone layer

(129) A moderator is used in nuclear reactor in order to:

a. Accelerate the neutrons
b. Slow down the speed of the neutrons
c. Increase the number of elections
d. Decrease the number of electrons
e. None of these

(130) Sedimentary rocks are:

a. Porous
b. Hard
c. Rough
d. Brittle
e. Volcanic

(131) Which one of the following is a non-metallic mineral?

a. Manganese
b. Magnesium
c. Gypsum
d. Bauxite
e. None of these

(132) Ozone layer prevents the following radiation from entering the atmosphere:

a. Infra-red
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 northern hemisphere is due to radiations from:

a. Ionosphere
b. Troposphere
c. Mesosphere
d. Stratosphere
e. None of these(Thermosphere wikipedia)

(134) Yeast is used in making bread because it produces:

a. Carbon dioxide
b. Sugar
c. Bacteria
d. Oxygen
e. None of these

(135) Oasis is associated with:

a. Glaciers
b. Desert
c. Islands or Last Island
d. Volcanoes
e. Fertile land

(136) 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

(137) The fruits without seed, like banana, are called:

a. seedless fruits
b. parthenogenesis fruits
c. parthenocarpic fruits
d. placental fruits
e. Organic fruits

(138) 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

(139) 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

(140) Name the famous book of Ibn-Sina in which he discussed human physiology and medicine:

a. Al-Qanoon
b. Al-Masudi
c. New Renaissance
d. Tadhkira
e. None of these

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Every Day Science MCQS 101 TO 120

Every Day Science MCQS 101 TO 120


(101) Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus:

a. Cigarette smoking
b. Using alcholo
c. Injection of heroine
d. Taking too much aspirin
e. None of these

(102) Founder of modern astronomy was:

a. Archimedes
b. William Gilbert
c. Nicolas Copernicus
d. Michael Faraday
e. None of these

(103) The instrument which measures very high temperature is:

a. Manometer
b. Thermostat
c. Chronometer
d. Pyrometer
e. None of these

(104) 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

(105) Chemical used to kill rats and mice are:

a. Insecticides
b. Rodenticides
c. Fungicides
d. Herbicides
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) Chemical name of vinegar is:

a. Sodium Nitrate b. Dilute acetic acid
c. Chloride of lime
d. Calcium
e. None of these

(108) Defeciency of following vitamin decreases hemoglobin production:

a. Biotin
b. Thiamine
c. Niacin
d. Pyridoxine
e. None of these

(109) 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

(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 most elastic ?

a. Steel
b. Rubber
c. Glass
d. Sponge
e. None of these

(112) 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 splendid and the most magnificient constellation on the sky is:

a. Orion
b. Columbia
c. Canis Major
d. Taurus
e. None of these

(114) “Black holes” refer to:

a. Hole occurring in heavenly bodies
b. Bright spots on the sun
c. Collapsing objects of high density
d. Collapsing of low density
e. None of these

(115) 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

(116) 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

(117) 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

(118) Which of the following layers make radio transmission possible?

a. Troposphere
b. Ionosphere
c. Mesosphere
d. Stratosphere
e. None of these

(119) 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

(120) Television signals are converted into light signals by:

a. Optical fiber
b. Transistor
c. Decoder
d.photo diode
e. None of these

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