1. Which metallic element temperature is liquid at room temperature?

Zinc

Lead

Mercury

None of these

2. Pneumonia is caused by which bacteria:

Bacillus

Cocci

Vibrio

None of these

3. Chemical substances that increase earth’s surface temperature is known as:

Global warming

Greenhouse gases

Climate change

None of these

4. Deficiency of_ causes anemia:

Calcium

Zinc

Iodine

None of these

5. Which part of the body becomes lethal due to an attack of Covid-19:

Liver

Lungs

Throat

None of these

6. Smoke from industries causes:

Fog

Smog

Mist

None of these

7. Which gas is present in the bulb:

Argon

Nitrogen

Hydrogen

None of these

8. Blood group is identified by:

Antigens

Antibody

Antitoxin

None of these

9. Who discovered dynamite:

Newton

Edison

Alfred Nobel

None of these

10. Who discovered Penicillin:

Alexander Fleming

Edison

Alfred Nobel

None of these

11. Law of magnetic induction given by:

Tesla

Faraday

Newton

None of these

12. The potential of pure water is:

Zero

One

Two

None of these

13. Joule is the unit of:

Joule

Energy

Work

None of these

14. The speed of sound is maximum when:

Air at 0^°C

Water at 25^°C

Water at 90^°C

None of these

15. The gemstone ruby is actually ___ with traces of some other elements.

Pure Rubidium

Aluminum Oxide

Rubidium Oxide

None of these

16. With no air resistance regardless of their masses, the bodies fall with:

same acceleration

different acceleration

same velocity

None of these

17. The ___ are actual dried flowers bud used as a spice.

Cinnamon

Cloves

Saffron

None of these

18. Which units are used to measure air pressure in vehicles tires:

Pounds per square inch

Pounds

Pascal

None of these

19. Nearsightedness or myopia can be corrected by:

Convex-lens

Concave lens

Concave mirror

None of these

20. Which planet takes the longest to orbit around the sun:

Mars

Neptune

Venus

None of these

21. Sun is a ___.

Star

Planet

Asteroid

None of these

22. Laws of gravity presented by:

Einstein

Newton

Galileo

None of these

23. A cation with +1 has 10 electron, how many protons does it contain:

None of these

24. Which one is not a vestigial organ of a human being?

Appendix

Coccyx

Eyelid

None of these

25. World spins at:

10^o/hr

12^o/hr

15^o/hr

None of these

26. The nonrenewable source of energy is:

Wind energy

Solar energy

Hydropower

None of these

27. The second most important layer of earth atmosphere is:

Mesosphere

Troposphere

Stratosphere

All of these

28. The cause of soil pollution is:

Ozone

Acid rain

Air freshener

None of these

29. Which of the following flower is called Queen of Water?

Tulip

Rose

Lilly

None of these

30. Astronomy is the study of:

Stars

Moon

Planet

All of these

31. In SI unit of time Picoseconds is equal to:

10^-6

10^-12

10^-18

None of these

32. What is the energy formed due to waterfall?

Potential Energy

Kinetic Energy

Motion Energy

None of these

33. Who discovered Penicillin:

Alexander Fleming

Louis Pasteur

Howard Florey

None of these

34. Ronald Ross discovered the cause of:

Polio

Malaria

AIDS

None of these

35. Theory of relativity was given by:

Isaac Newton

Albert Einstein

Michael Faraday

None of these

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

None of these

37. Who is the father of Geometry?

Aristotle

Kepler

Euclid

None of these

38. Which element Is liquid at room temperature:

Neon

Nitrogen

Argon

None of these

39. Blood is thicker than

Water

Milk

Slime

Honey

40. Lunar Sea refers to:

A small sea on the moon

A dark plain on the moon

A light water body illuminated by the moonlight

None of these

41. Which of the following is the feature of erosion except:

Earth Pillar

Vardangs

Monoliths

None of these

42. Myopia is a disease connected with:

Eyesight

Brain

Ears

None of these

43. Guava is a rich source of which vitamins:

None of these

44. Humans have ___pairs of chromosomes

None of these

45. How many bones does the adult human body have?

210

206

180

None of these

46. Diamond is an allotropic form of:

Carbon

Silicon

Germanium

None of these

47. Albert Einstein was:

Astronaut

Artist

Scientist

None of these

48. The largest bird in the world is:

Ostrich

Bustard

Dalmatian Pelican

None of these

49. Frog respires through:

Gillls

Lungs

Skin

None of these

50. Female part of the flower is known as:

Stamens

Pistil

Anther

None of these

51. The minimum velocity necessary to put a satellite into orbit is called:

Escape Velocity

Orbital Velocity

Circular Velocity

None of these

52. The Time is taken for sunlight to reach the Earth

8 hrs 20 min

8 min

8 mins 20 sec

None of these

53. Who is known as the father of modern cosmology:

Nicolas Copernicus

William Gilbert

Edwin Powell Hubble

None of these

54. The sun is containing ___% mass of the solar system:

79.36

89.10

99.86

None of these

55. The lifespan of Red Blood Cells is ____days.

120

None of these

56. Which planet has the highest density:

Neptune

Earth

Mars

None of these

57. Stainless steel is in the form of:

Alloy

Metal

Non-metal

None of these

58. Malaria medicine contains which elements:

Villeurbanne

Chloroquine

Torun

None of these

59. Which Virus is related to ongoing Covidl9?

SARS & TETANUS

SARS & MERS

SARS & INFLUENZA

None of these

60. Lightning rod invented by:

Edmund Germer

Benjamin Franklin

James Edward

None of these

61. Which element is most abundant in the Universe?

Aluminum

Hydrogen

Helium

None of these

62. The first element of the periodic table is:

Carbon

Hydrogen

Nitrogen

None of these

63. The rearview mirror of a motor vehicle is:

Concave

Convex

Plane

None of these

64. The layer of the atmosphere where we live is:

Biosphere

Troposphere

Hydrosphere

None of these

65. A place where bees are kept is called:

An Apiary

A mole

A hive

None of these

66. Who discovered blood circulation?

Carl Linnaeus

Francis Crik

William Harvey

None of these

67. Movement of earth, material as a unit along a curved surface is called

Slump

Mud out

Lava

None of these

68. The blotting paper helps absorb liquids by___.

Viscosity

Capillary action

Surface tension

None of these

69. In the atmosphere if the temperature is low then the pressure is:

Low

High

Normal

None of these

70. The hardest thing present in a human body is:

Dental enamel

Skull bones

Ribs

None of these

71. Light takes about______ to reach Earth from the Sun.

8 Seconds

8 Minutes

17 Seconds

None of these

72. The respiratory problem common in smokers is:

Tuberculosis

Asthma

Emphysema

None of these

73. A person who has unusual habits is called:

Eccentric

Misogynist

Misogamist

None of these

74. The study of stars is known as:

Astrology

Astronomy

Cosmography

None of these

75. Metrology is the study of:

Study of Atmosphere

Study of Stars

Study of Weight

None of these

76. Snowcapped mountains are found on which of the following planet:

Mars

Venus

Pluto

None of these

77. Car batteries use ____ that react with lead plates to generate electricity

Sulphuric Acid

Nitric Acid

Hydrochloric Acid

None of these

78. The slowest planet around the sun is:

Mars

Jupiter

Neptune

Earth

79. The largest cell in human body is:

Muscle cell

Liver cell

Nerve cell

Kidney cell

80. Muscular and nervous disorders owe to lack of:

Vitamin A

Vitamin C

Vitamin B

Vitamin E

81. Theory of relativity was given by:

Newton

Einstein

Both A & B

None of these

82. The main purpose for UN framework convention on climate change is:

to reduce air pollution

to reduce emission of CO₂

Global Change

None of these

83. Mirror' is related to 'Reflection' in the same way as 'Water' is related to:

Conduction

Immersion

Refraction

None of these

84. Which heating element is most effective?

Tungsten

Chromium

Nichrome

None of these

85. In railway tracks, a small gap is left between the rails:

To permit the shrinkage of metal

To save the cost of metal

To allow for the expansion during heat

None of these

86. Which gas is used in fire extinguisher?

Nitrogen

Sulphur

Methane

None of these

87. Pure limestone is called:

Aluminum Oxide

Calcium Carbonate

Calcium Sulphate

None of these

88. In methane the ratio of atom of Carbon and Hydrogen is:

1:4

4:1

3:1

None of these

89. Bronze is an alloy of:

Copper - Tin

Brass - Zinc

Copper - Nickel

None of these

90. Tomato is which type of plant:

Root

Fruit

Vegetable

None of these

91. Animals reserved energy stored in:

Starch

Glycogen

Glucose

All of these

92. A black hole exerts such massive force that its escape velocity is very high due to :

Large size

Small size

High density

None of these

93. Penicillin was discovered by:

Waksman

Alexandar Fleming

Louis Pasteur

None of these

94. In the atmosphere carbon dioxide is removed by ____.

Deforestation

Aforestation

Photosynthesis

None of these

95. Bauxite is an ore of:

Manganese

Iron

Aluminum

None of these

96. The Purest form of iron which has little amount of carbon in it is ____.

Cast iron

Pig iron

Wrought iron

None of these

97. Digital TV emits ____.

X rays

Gamma rays

Cathode rays

None of these

98. ___is used to accelerate beam of charged particles.

Transistor

Amplifier

Cyclotron

None of these

99. The normal temperature of human body on the Kelvin scale is ___.

310

99.7

373

None of these

100. Which of the following instrument used to measure water vapors in the atmosphere?

Anemometer

Hygrometer

Barometer

None of these

101. The Product of the mass and the velocity is known as:

Distance

Momentum

Velocity

None of these

102. The most naturally event in Nutrient Cycle is:

Secondary Production

Nutrient Cycle

Primary Production

None of these

103. First working laser developed by:

Max Planck

Theodore Maiman

Robert Boyle

None of these

104. Nuclear energy when expanded converts:

Proton into neutrons

Chemical into heat

Nuclear into thermal

None of these

105. Powerhouse of living cell is called:

Cell wall

Cytoplasm

Mitochondria

None of these

106. When the object moves with the speed of light its mass would be.

Zero

Doubles

Remain Same

Infinity

107. Electron was discovered by:

J.J Thomson

Goldstein

Ruther Ford

None of these

108. The most abundant metal found in earth crust:

Oxygen

Aluminum

Iron

Silicon

109. What is the S.I. unit of temperature?

Kelvin

Centigrade

Fahrenheit

None of these

110. Which mirror is used in headlight of cars?

Concave

Plain

Convex

None of these

111. Which of the following gas is used for cooling in refrigerators:

Chlorofluorocarbon

Helium

Nitrogen

None of these

112. Nitrogenous wastes excreted through urine in humans is:

Ammonia

Uric Acid

Urea

None of these

113. The luminous body emits ___.

Light

Energy

Waves

None of these

114. The escape of water molecules from surface is called ___.

Sublimation

Evaporation

Condensation

None of these

115. Cooking gas is also called:

Butane

Propane

Hexane

None of these

116. Loud speaker voice is increase due to ___:

High Energy

High Frequency

Spectrum technology

None of these

117. Kidney stones is caused due to:

Sulfur dioxide

Calcium Oxalate

Aluminum oxide

None of these

118. Which mushroom is not edible:

Amanita Phalloides

Oyster Mushrooms

Straw Mushrooms

None of these

119. Hemodialysis cleans:

Veins

Blood

Nerves

None of these

120. Which resources are non-renewable:

Geo thermal

Solar

Fossil fuels

None of these

121. Chemical formula of washing soda is:

Na₂CO₃

NaHCO₃

Na₂SO₄. 10H₂O

None of these

122. Vitreous Humor, Sciera and Iris are parts of which human organ?

Brain

Ear

Liver

Eye

123. Blood cells are produced by in the human body.

Liver

Bone-marrow

Heart

Spleen

124. The lens in the human eye is:

Convex Lens

Concave Lens

Piano Concave Lens

None of these

125. Solar eclipse occurs when:

Earth comes between Sun and Moon

Moon is at right angle to the Earth

Moon comes between Sun and Earth

Sun comes between Moon and Earth

126. Which gas was commonly used in airships?

Nitrogen

Helium

Hydrogen

Hydrogen sulphide

127. Human heart comprises how many chambers?

128. Study of Spiders is called:

Arachnology

Serology

Gerontology

None of these

129. A Fuse wire (Fuse) is used to:

To strengthen an electrical

Convert DC into AC

Convert AC into DC

Prevent damage due to unusually high voltage

130. Pedagogy is a science of?

Bodily diseases

Stamp collecting

Languages

Teaching

131. The famous Italian scientist Alessandro Volta is renowned for inventing?

Electric Battery

Hydrogen Lamp

Both A & B

None of these

132. Echoes are produced due to?

Reflection of sound

Refraction of sound

Diffraction of sound

Polarization of sound

133. Which of the following is a chemical reaction?

Rusting of iron

Tempering of iron

Bending of iron

Melting of iron

134. Green house effect is mainly caused by excess of ___ in the atmosphere?

Carbon dioxide

Carbon monoxide

Nitrogen

Hydrogen sulfide

135. A gene is a?

Sleep inducing drug

Unit of heredity

Kind of Vitamin

Type of body cell

136. Food is mainly digested in?

Large intestine

Small intestine

Liver

Mouth

137. Metacarpal bones are located in which part of the human body?

Chest

Hands

Feet

Skull

138. ‘Typhoid’ is a disease of?

Intestine

Lungs

Liver

None of these

139. Iron layered with Zinc is called?

Pig Iron

Cast Iron

Galvanized Iron

Steel

140. Why do the electricians wear rubber glob while touching electric wires?

It helps in the smooth flow of current

They can hold woes properly

Rubber is a bad conductor of electricity

None of these

141. If all the plants of the world die, all the animals will also die due to shortage of?

Shelter

Cold Air

Food

Oxygen

142. The blanket of air which surrounds the earth is called?

Ozone

Atmosphere

Space

Environment

143. Incisors, Canines, Premolars and Molars are?

Bones in human hand

Bones in human feet

Types of Teeth

Eye Diseases

144. Which of the following stop bleeding?

Blood thinning

Blood clotting

Blood receding

Heeling

145. Which of the following is classified as a star?

Moon

Jupiter

Saturn

Sun

146. Epistemology is the study of nature and scope of?

Epidemics

Ethics

Tobacco

Knowledge

147. Among the following mediums, the velocity of sound is the maximum in

Air

Water

Steel

Vacuum

148. Faraday’s Law is associated with:

Reaction of gases

Pressure of gases

Electromagnetic induction

Temperature and pressure

149. The book On the “Origin of Species” was written by

Newton

Einstein

Darwin

Dickens

150. Which of the following is not a Kharif Crop:

Rice

Cotton

Sugarcane

Wheat

151. The main gases that produce acid rain are:

Sulphur dioxide and nitrogen oxides

Carbon dioxide

None of these

152. ___ is used to record the intensity and source of earthquakes.

Barometer

Seismograph

Hydrometer

Pyrometer

153. Which substance is used in match sticks?

Sulphur

Zinc

Iron

Nitric Acid

154. One of the following is not a function of bones in human body:

Protection of vital organs

Secretion of hormones

Place for muscle attachment

Production of blood corpuscles

155. Diabetes is caused due to malfunctioning of:

Liver

Pancreas

Kidneys

Muscles

156. Which of the following layers absorbs most of the Sun’s ultraviolet radiation?

Dust

Gaseous

Ozone

Gravitational

157. Materials for rain proof coats and tents owe their water proof properties to?

Surface tension

Viscosity

Specific gravity

Elasticity

158. Which of the following gas is used in Illuminating?

Nitrogen

Neon

Ammonia

Methane

159. Which of the following is the best source of vitamin ‘C ‘?

Milk

Apple

Orange

Egg

160. Meteorology is the science of?

Weather

Earth

Metal

Earthquake

161. Pure Gold is ___ carat gold?

12 carat

14 carat

22 carat

24 carat

162. Which country has started world’s first hydrogen powered train?

Germany

Italy

Egyptian

None of these

163. What is an Endemic disease?

Disease generally prevalent in a particular area

Disease with high incidence all over the country

Disease effecting children under 5 years old

Disease brought to country by travelers and livestock

164. The normal pulse beat in a human body per minute is between?

62-70

72-80

75-85

80-92

165. One horse power is equal to?

730 watts

735 watts

746 watts

750 watts

166. The best color(s) for a sun umbrella will be?

Black

Black on top and white on the inside

White on top and black on the inside

All seven Colors of Rainbow

167. Distant objects can be seen with the help of?

Chronometer

Microscope

Telescope

Spectroscope

168. The conversion of electrical energy into chemical energy Is observed In?

Fan

Storage Battery

Heater

Incandescent bulb

169. Light year is a unit of measurement of?

Speed of light

Stellar distances

Speed of Rockets

Speed of aero plane

170. How many bones are there in Human Body?

180

198

206

210

171. By which organ does a snake hear?

Ear

Eyes

Tongue

Tail

172. The average weight (in ounces) of Man's brain is?

173. What type of acid Is used in car batteries?

Hydro Chloric Acid

Sulphuric Acid

Mercury

Nitric Acid

174. Penicillin was discovered by?

Alexander Fleming

Alexander Hamilton

Herodotus

John Milton

175. Mirage is an example of:

Refraction of Light

Reflection of Light

Deviation of Light

Polarization of Light

176. Which one called shooting stars?

Planet

Meteor

Star

Asteroid

177. The planet nearest to the Sun is:

Venus

Earth

Mars

Mercury

178. Muslim scientist & philosopher Ibn-al-Haytham made his most famous contribution to the field of ___.

Medicine

Poetry

Optics

Mathematics

179. Deficiency of Iron in human died causes:

Goitre

Scurvy

Anemia

Rickets

180. Medulla Oblongata is a part of Human:

Brain

Digestive System

Respiratory System

Reproductive System

181. What do you understand by the disease “Insomnia?

Inability to sleep

Color blindness

Depression

None of these

182. Ornithology” is the study of:

Birds

Insects

Sea Animals

Sea Plants

183. Epistemology is the study of:

Knowledge

Parasites

Birds

Religions

184. The conversion of gas to liquid is known as:

Condensation

Sublimation

Evaporation

Latent Heat

185. Renewable sources of energy include:

Hydel Energy

Coal Energy

Petroleum Energy

All of these

186. Unit of Electric Current is:

Ampere

Coulomb

Ohm

None of these

187. ________theory focuses on behavior and how behavior can change to achieve survival.

Ecological

Psychological

Biological

Strain

188. Earth's surface soil is worn away by which method:

Desurfacing

Erosion

Galvanizing

Sheering

189. Which of the following is the name of virus?

Chernobyl

Logic Bomb

Worm

All of these

190. Prima facie means:

Capricious

At first sight

Dangling

Façade

191. The nature of infectious diseases and of their control by vaccination was first demonstrated by:

Thomas Huxley

Louis Pasteur

James Clerk Maxwell

None of these

192. Which symptom is caused by a deficiency of vitamin D?

Anaemia

Weak Bones

Constipation

Vomiting

193. Sunlight is composed of:

Three colors

Five colors

Severn colors

Ten colors

194. Stainless steel is mainly an alloy of:

Copper with Zinc

Red Brass and yellow Brass

Zinc and Tin

Chromium and Nickle

195. The uncharged particle in an Atom is called:

Nucleous

Neutron

Electron

Proton

196. One of the infectious diseases conveyed from one person to another through air is:

Cholera

Scariet fever

Tuberculosis

Maiana

197. “Horse Power" is standard unit of power equal to:

370 watts

480 watts

656 watts

746 watts

198. Which of the following Instruments to use for measuring the humidity in air?

Hydrometer

Hygrometer

Barometer

None of these

199. What is the unit of work and energy?

Joule

Kilogram

Ampere

Kilowatt

200. Which of the following disease affects the skin?

Rickets

Osteoporosis

Anemia

Pellagra

201. What is a mixture of potassium Nitrate, Charcoal and Sulphur called:

Paint

Aluminum

Brass

Gunpowder

202. Which instrument is used to measure altitude?

Audiometer

Barometer

Altimeter

Anemometer

203. Water drops are spherical because of :

Air pressure

Density

Viscosity

Surface Tension

204. Which of the following has maximum density?

Water

Ice

Benzene

Chloroform

205. Statistical study of human population is called:

Ecology

Anthropology

Entomology

Demography

206. Photosynthesis in plants takes place faster in:

Yellow light

Red light

Darkness

White light

207. Rocket propulsion is based on:

Einstein's theory of Relativity

Newton's second law of motion

Newton's third law of motion

None of these

208. The compound used in anti malarial drug is:

Chloroquine

Aspirin

Neoprene

Isoperene

209. Human bones do not contain which of the following?

Phosphorus

Calcium

Carbon

Oxygen

210. Who is known as the father of Nuclear Physics?

Nikola Tesla

Edwin Hubble

Ernest Rutherford

James Maxwell

211. Which of the following planets has the maximum number of satellites?

Jupiter

Earth

Saturn

Mars

212. Physiotherapy is a curative method for:

Heart disease

Immobility of Joints

Cirrhosis of the liver

Drug addiction

213. Which of the following protects our body against disease?

White Blood Cells

Red Blood Cells

Platelets

None of these

214. By mixing all the colours of the visible spectrum of sunlight, we produce:

Infra red light

Purple light

Green light

White light

215. One of the following is not a function of bones in human body?

Protection of vital organs

Secretion of hormones

Place for muscle attachment

Production of Wood corpasdes

216. If there is no sun, the color of the sky would be:

Orange

Blue

Yellow

None of these

217. Archeology is a branch of:

Anthropology

Cultural anthropology

Biological anthropology

Paleoanthropology

218. The most abundant element in the universe is

Iron

Hydrogen

Oxygen

Nitrogen

219. Which of the following is a Vector quantity?

Speed

Temperature

Mass

Velocity

220. One molecule of water is composed:

Two Hydrogen atoms, two Oxygen atoms

One atom of Hydrogen, one atom of Oxygen

Two atoms of Hydrogen, one atom of Oxygen

One atom of Hydrogen, two atoms of Oxygen

221. The Periodic Table, which arranges chemical elements according to their Atomic number and chemical properties, was formulated by:

Antoine Lavoisier

Dmitri Mendeleev

John Dalton

Otto Hahn

222. Which instrument is used to measure blood pressure?

Sphygmomanometer

Thermometer

Barometer

Stethoscope

223. Jaundice is caused by hepatitis and malaria and turns the skin color into?

Green

Yellow

Pink

Burgundy

224. Lockjaw is a medical condition which is observed in the case of?

Diarrhea

Cholera

Tetanus

Malaria

225. Ornithology is a branch of science that concerns the study of?

Plants

Birds

Amphibians

Ants

226. The volume of blood in a human body to be approximately _____ of body weight?

227. Milk has naturally occurring sugar which is called______?

Maltose

Fructose

Lactose

Glucose

228. Who gave the Theory of Evolution by Natural Selection?

Charles Chadwick

Charles Darwin

Braille

Marconi

229. Who among the following scientists invented the telescope?

Gelileo Galilei

Louis Pasteur

Logie Braid

Samuel Morse

230. When a disease occurs over a large area of earth's surface at one time, it is called:

Endemic disease

Epidemic disease

Pandemic disease

None of these

231. Which of the following cattle disease has been eradicated worldwide?

Mad Cow disease

Foot and Mouth disease

Rinderpest

Bovine Tuberculosis

232. The procedure of shattering the gallstones and kidney stones by shockwaves, is called:

MRI

Angiography

Lithotripsy

Kidney Surgery

233. Galvanized iron sheets have on them at coating of:

Lead

Tin

Chromium

Zinc

234. Cholesterol is present in all of the following except:

Milk

Fish

Egg yolk

Egg White

235. "Philately" is:

Science of drugs

Postage stamp collection activities

The study of written record

The study of animal behavior

236. Trachoma is a disease of the:

Lungs

Digestive System

Eyes

Kidneys

237. Hypothermia is caused by exposure to:

Extreme cold

Extreme heat

Excessive radiation

None of these

238. Light travels from Sun to Earth in:

499.0 seconds

599.0 seconds

699.0 seconds

799.0 seconds

239. Green vegetables are good source of:

Starch

Fats and Oil

Protein

Minerals and Vitamins

240. “Philately” is a ___?

Science of drugs

Stamp collection

The study of written record

The study of animal behaviour

241. Distance between the Sun and Earth is smallest in the month of:

February

January

September

December

242. AIDs virus is called?

HOV

HIV

HVI

None of these

243. If all colors of the spectrum of sunlight combine which color is produced?

Yellow

White

Green

Blue

244. Art of writing secret and codes language is called?

Cryptography

Graphology

Entomology

Etymology

245. Which part of the Brain regulates body temperatures?

cerebellum

cerebrum

hypothalamus

medulla

246. CFCs are present in?

Refrigerator

Atmosphere

Engines

Ionosphere

247. Malaria effect which part of body?

Spleen

Liver

Kidney

None of these

248. Which among the following prevents the constipation?

Glucose

Fructose

Fiber

Proteins

249. The Sphygmomanometer is an instrument used to measure?

Humidity in the air

Blood pressure

Purity of milk

Thickness of water

250. Day and night change due to?

Earth’s revolution

Earth’s rotation accompanied with its revolution

Earth’s rotation on its axis

None of these

251. The blood vessels which return the blood to the heart are called?

Veins

Capillaries

Arteries

Valves

252. The most abundant element in the Earth’s atmosphere is?

Argon

Nitrogen

Oxygen

Krypton

253. Rickets is caused by deficiency of?

Vitamin A

Vitamin B

Vitamin C

Vitamin D

254. Which of the following is classified as a star?

Moon

Jupiter

Saturn

Sun

255. Macular degeneration is a disease of the?

Nervous system

Brain

Inner Ear

Eye

256. Splitting of light into its constituent colors is known as?

Refraction

Reflection

Prismatics

Dispersion

257. Dynamite was invented by———?

Alfred Nobel

William Davis

Thomas Edison

None of these

258. What is the harm from the depletion of Earth’s Ozone Layer?

Sea levels will rise as the glaciers caps will gradually melt

The average operation of the Earth’s surface will increase gradually

The oxygen content of the atmosphere will decreased

Increased amount of UV rays will reach Earth’s surface

259. Lock Jaw i.e difficulty in opening the mouths, is a symptom of?

Chloera

Plague

Diphtheria

Tetanus

260. "Sleep Apnea" is a disorder characterized by:

Lack of sleep

Excessive Sleep

Loud snoring during sleep

Breathing Problem

261. Which gas is used in the preparation of fizzy soft drink?

Oxygen

Carbon Dioxide

Nitrogen

Halogens

262. Metacarpal bones are found in which part of the human body?

Feet

Pelvic region

Cranium

Hands

263. Which poisonous gas produced when coal is burned without enough air supply?

Carbon Monoxide

Nitrogen Oxide

Ammonia

Hydrogen

264. Temperature is measured using a?

Salinometer

Stethoscope

Thermometer

Tereoscope

265. Fear of bathing?

Claustrophobia

Ablutophobia

Acrophobia

None of these

266. Plants during night exhale?

Oxygen

Carbon Dioxide

Nitrogen

Hydrogen

267. Red blood corpuscles are formed in the?

Liver

Bone Marrow

Kidneys

Heart

268. Which of the following colors are primary colors?

Red, Blue, Green

White, Red, Black

Black, Red, Blue

Green, Red, Black

269. How many chambers are in the human heart?

270. In human which body part develop first?

Heart

Brain

Lungs

Kidneys

271. Which of the following elements comes first in periodic Table?

Hydrogen

Oxygen

Helium

Zinc

272. Which of the following is not an example of exhaustible resources of the earth available to man?

Coal

Natural gas

Petroleum

Water

273. Which one the following medical condition is caused by the high exposure of radiation?

Kidney Stone

AIDS

Blood Pressure

Mutation

274. The second most abundant metal found in the Earth’s crust is?

Iron

Aluminium

Calcium

Sodium

275. How much blood does a normal person has in his body?

5% of body weight

7% of body weight

10% of body weight

20% of body weight

276. Which of the following units is ozone layer thickness expressed in?

Joule

Metro

Dobson

Pound

277. which is the largest planet in the solar system?

Mercury

Jupiter

Venus

Mars

278. The uncharged particle in an Atom is called?

Proton

Neutron

Electron

Positron

279. Which component of the diet prevents constipation?

Fiber

Minerals

Protein

Vitamins

280. Which type of lens is found in human eye ?

Bi-Convex

Concave

Cylindrical

None of these

281. The process of applying zinc coating to iron is called ?

Smelting

Galvanizing

Sweltering

None of these

282. Which of the gland produces bile ?

Liver

Pancreases

Kidney

None of these

283. The birds who feed marine food remove salt one of glands ?

Rectal salt gland

Endocrine glands

Pituitary glands

None of these

284. Total bones in human body are ?

206

220

307

None of these

285. What is the circumference of Earth?

30,000 km

40,000 km

50,000 km

20,000 km

286. Bile is stored in?

Liver

Kidney

Gall Bladder

Intestine

287. Permanent hardness of water can be removed by adding?

Potassium permanganate

Chlorine

Bleaching powder

Sodium Carbonate

288. Permanent hardness of water due to sulphates of metals can be removed by the use of?

Zeolites

Sulphonides

Lime

Nitrates

289. Which of the following radiation has most energetic photons?

Alpha rays

Beta rays

Gamma rays

Ultraviolet rays

290. The former World Heavyweight Boxing Champion, Muhammad Ali, was suffering from?

Diabetes

Parkinson

Hepatities

Hypertension

291. Who invented the modern thermometer?

Isaac Newton

Thomas Faraday

Alexander Hamilton

Daniel Gabriel Fahrenheit

292. Horticulture is the?

Cultivation of flowers and fruits

Growing of small plants

Cultivation of spices

Growing of bushes

293. Which of the following Vitamin maintains normal clotting of blood?

Vitamin A

Vitamin C

Vitamin D

Vitamin K

294. What is the second largest planet in our solar system?

Jupiter

Saturn

Uranus

Neptune

295. Which type of cells protect body from infectious diseases and foreign invaders?

White Blood Cells

Red Blood Cells

Platelets

Stem cells

296. What is the boiling point (°C) of water at 1 atm?

70 degree

90 degree

100 degree

110 degree

297. Which of the following is man-made substance?

Timber

Leather

Plastic

Natural Gas

298. Which element of the following is not essential for plants?

299. Which among the following is alternative source of energy?

Hydel

Nuclear

Thermal

Biogas

300. Moon, Sun and stars are known as?

Terrestrial bodies

Celestial bodies

Water bodies

None of these

301. Science deals with low temperature?

Cryogenics

Biogenic

Isotherms

None of these

302. How many bones are in adult body?

306

206

392

351

303. Deficiency of iodine causes?

Goiter

Myopia

Joint pain

None of these

304. Which one is the most abundant in Atmosphere?

Oxygen

Nitrogen

Hydrogen

None of these

305. Super Conductor was invented by?

Heike Kimberling

Walter Meissner

Both A & B

None of these

306. Virally infected cells in response to the presence of virus produce protein cells?

Interferon

byferon

protein

None of these

307. Which vitamin is essential for the repair of tissues?

Vitamin A

Vitamin B

Vitamin C

Vitamin D

308. Which is Cancer

Glaucoma

Leukaemia

Both A and B

None of above

309. To observe a human behavior by living a natural setting is called:

Experimental method

Survey method

Observation method

None of above

310. Light of the sun can be focused on the following lens:

Concave

Cylindrical

Convex

None of above

311. Study of ancestors, family history and tracing their lineage is called:

Gerontology

Ecology

Genecology

None of the above

312. Goiter is caused by deficiency of:

Iodine

Protein

Bromine

Potassium

313. An atom is made up of ___ particles.

None of the above

314. Tea Scapula is:

Shoulder Bone

Scalp Bone

Knee Bone

None of above

315. "Mars" is called:

A Giant

A dying Planet

A Red Planet

A ball of Gasses

316. A plant with green leaves placed in red light will appear:

Black

Red

Blue

Green

317. "Origin of Species" was written by?

Charles Darwin

H.G Weill

Jorge Mendel

None of these

318. Heavy water used in Nuclear reactors is also called?

Deuterium Oxide

PH 7

Distilled water

Tritium Oxide

319. "Bile Juice" is produced in which part of body?

Stomach

Liver

Gall Bladder

Small intestine

320. Global warming is increased due to access of:

Ammonia

Carbon dioxide

Carbon monoxide

Chloroform in air

321. The hottest & the brightest planet of solar system?

Mercury

Uranus

Venus

Jupiter

322. What is "Scotograph Instrument"?

Aiding Blind to write in the Darkness

An instrument of measuring frequency

Both A & B are correct

None of the above statements

323. Statistical study of human population is called:

Ecology

Anthropology

Entomology

Demography

324. "Leukemia" is a disease of the:

Lungs

Blood

Nerves

Skin

325. Which type of exercise measures upper body strength and endurance?

Trunk lift

Curl ups

Push up

None of these

326. Industrial revolution started with the invention of:

Wheel

Steam Engine

Spinning Jenny

Plato

327. Who presented the "Theory of Evolution"?

Dr Paul Muller

Charles Darwin

Edward Jenner

Dr Bernard Christian

328. "Ricket" is a disease due to the deficiency of:

Vitamin B

Vitamin K

Vitamin A

Vitamin D

329. Boiling of eggs is a:

Physical change

Chemical change

Both A & B

None of these

330. What is the unit of pressure?

Length

Coulomb

Ampere

Pascal

331. Light year is the unit of:

Coulomb

Pascal

Ampere

None of these

332. Ice floats because:

Density of water is less than Ice

Density of water is greater than ice

Both (a + b) situation may be

None of these

333. Which gas is responsible for global warming?

Oxygen

Carbon Mono-oxide

Carbon Dioxide

Hydrogen

334. In which field Dr Abdul Salam won Nobel Prize?

Chemistry

Biology

Computer

Physics

335. CNG stands for:

Converted Natural Gas

Conducted Natural Gas

Compressed Natural Gas

336. The average of blood in human body is:

7 Liters

5 liters

8 Liters

6 Liters

337. How many Pairs of ribs in human body?

338. After passing light through prism, light disperses in:

5 Colors

6 Colors

8 Colors

7 Colors

339. Which planet is visible from Earth?

Neptune

Venus

Mercury

Earth

340. Which planet it the farthest from the sun?

Venice

Mercury

Neptune

Earth

341. Which is the shortest of the Solar System?

Venus

Neptune

Earth

Mercury

342. Laughing Gas is called?

Carbon dioxide

Nitrous oxide

Oxygen

Hydrogen

343. Drugs are exerted through:

Liver

Stomach

Kidney

None of these

344. Which bone is the longest and strongest of all?

Fibula

Lumbar

Patella

Femur

345. Meteorology is a branch of science which includes study of:

Climate

Weather

Geography

Demographic changes

346. Medulla Oblongata is a part of:

Eye

Brain

Ear

Heart

347. Famous physicist and electrical engineer Nikola Tesla invented which of the following:

Induction Motor

Tesla Coil

Remote Control

All of these

348. What is the process in which nucleus of an atom splits into lighter nuclei?

Nuclear Fusion

Nuclear Fission

Nuclear Splitting

All of these

349. Which among the following birds is the world's largest?

Bustard

Ostrich

Osprey

Rheas

350. Who among the following scientists invented Dynamite?

Rontgen

Alfred Nobel

Rutherford

Marie Curie

351. The amount of pressure in the arteries during the contraction of heart muscle is called:

Diastolic Blood Pressure

Systolic Blood Pressure

Both of these

None of these

352. “Anorexia Nervosa” is a disease of?

Sleeping sickness

Nervous disorder

Eating disorder

Loss of memory

353. Which gas is predominantly responsible for global warming?

Nitrogen peroxide

Carbon dioxide

Nitrous monoxide

Carbon monoxide

354. Wind energy is an example of?

Potential Energy

Transverse Energy

Kinetic Energy

Chemical Energy

355. Battery was Invented by?

Volta

Excide

Fermi

Maiman

356. Human eye is sensitive to which colour (light)?

Red

Green

Blue

None of these

357. The study of age, aged and aging is called as?

Histology

Cosmology

Gerontology

none of these

358. Population Density is a measurement of?

Population per town

Population per unit Square

Population per district

Population per unit area

359. The gas used in manufacturing of Banaspati ghee is?

Helium

Nitrogen

Oxygen

Hydrogen

360. The most important ore of Aluminum is:

Bauxite

Magnetite

Monazite

Hematite

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

Bauxite

Magnesium

Manganese

Gypsum

362. Which of the following gases is used in extinguish fire?

Oxygen

Hydrogen

Water Vapour

Carbon dioxide

363. In the process of galvanization an iron sheet is coated with:

Tin

Aluminum

Galena

Zinc

364. Physiotherapy is a curative method of:

Heart Disease

Immobility of Joints

Cirrhosis of the liver

Drug addiction

365. Isotopes are atoms of the same element with different number of:

Protons

Electrons

Neutrons

Positrons

366. Interferon is:

Carbohydrate

Enzyme

Lipid

Protein

367. Adult human beings have bones:

206

250

306

356

368. Most abundant element in the atmosphere?

Nitrogen

Oxygen

Carbon Dioxide

Silicon

369. White blood cells are also called leukocytes fight against:

Height

Age

Disease

None of these

370. Boiling point of water is:

400°C

300°C

210°C

100°C

371. The approximate Circumference of the Earth at the equator is:

40075 km

60075 km

50075 km

70075 km

372. Circumference of earth is around :

20000 km

30000 km

40075 km

50000 km

373. Pepsinogen is converted into stomach in:

HCI

Bicarbonate

Gastrin

Pepsin

374. What is the color of Oxyhemoglobin?

Red

Bright Red

Dark Red

Pale Yellow

375. At which temperature does bacteria die?

102 F

106 F

120 F

110 F

376. Mastication is called the process of:

Digesting

Grinding

Chewing

Swallowing

377. Which among the following is responsible for the clotting of the blood?

Erythrocytes

Platelets

Basophils

White blood cells

378. Which disease is caused by the deficiency of Vitamin D:

Scurvy

Rickets

Night Blindness

All of these

379. After fertilization, a fruit develops from which part of the plant?

Ovule Wall

Anther

Sepals

Ovary

380. Yeast is essential in making of bread because it produces:

Carbon dioxide

Oxygen

Bacteria

Sugar

381. Villi are small finger like structures in the:

Large intestine

Small intestine

Stomach

Esophagus

382. The pancreatic juice which aids digestion is secreted into?

Liver

Stomach

Duodenum

lleum

383. Which tube among the following Joins kidneys and bladder?

Urethra

Ureter

Infenor Vena Cava

Suprapubic Tube

384. Dengue is caused by which type of mosquito:

Culex

Aedes

Marsh

Mayaro

385. Parthenocarpy is the production of fruit which makes the fruit :

Full of seeds

Seedless

Bitter

Waterless

386. In order to make Nitrogen available to primary producers like plants, in ecosystem it is converted into:

Nitrates

Nitrites

Ammonia

Nitric Acid

387. What is the percentage of water present brain?

75%

95%

85%

73%

388. What is the life span of red blood cells?

110 days

120 days

140 days

170 days

389. Enzymes are basically made up of:

Nucleic Acids

Fats

Vitamins

Proteins

390. What is the speed of sound in air:

1347 km/h

1235 km/h

1290 km/h

1495 km/h

391. Inflammation of liver is caused by:

Cholera

Typhoid

Hepatitis

Jaundice

392. Iron and steel structures are damaged by:

Carbon Monoxide

Sulphur dioxide

Carbon dioxide

Methane

393. Stoma, found in the epidermis of leaves closes when guard cells ___

Gain water

Lose water

Exchange gas

None of these

394. When NaHCO₃ is heated, it produces:

CO₂

CaCO₃

Ca(OH)₂

CaO

395. A camera uses convex lens to form an image which is:

Real, inverted, magnified

Real, inverted, diminished

Virtual, Inverted, diminished

Real, Upright, diminished

396. Solar eclipse occurs when:

Earth comet between Sun and moon

Moon comet between Sun and Earth

Sun comes between Earth and Moon

Sun rays don't reach earth

397. Parsec is a unit used to measure:

Speed

Time

Distance

Force

398. Which among the following instruments is used to measure the amount of liquid precipitation (rain) over a set period of time?

Rain Gauge

Pedometer

Barometer

Hygrometer

399. Max Planck won Nobel Prize in Physics in 1918 for the discover of ___.

Time Constant

Energy Quantum

Heat Constant

Wave Constant

400. Mars, neighbor of Earth, has natural satellites.

401. Smooth Endoplasmic Reticulum is involved in the synthesis and storage of:

Polysaccharides

Proteins

Lipids

DNA

402. Crude Oil is heated in the furnace up to:

300°C

400°C

350°C

450°C

403. Which of the following Vitamin contains traces of Selerium?

Vitamin A

Vitamin E

Vitamin D

Vitamin K

404. How many layers does Earth's atmosphere have?

None of these

405. Which of the following studies the interactions among organisms and their environment?

Archaeology

Anthropology

Genetics

Ecology

406. Study of life in outer space is known as:

Enterobiology

Neobiology

Endobiology

Exobiology

407. Which of the following can be recycled many times?

Plastic

Wood

Organic materials

Aluminum

408. Depletion of the ozone layer is caused due to

Ferrocene

Fullerenes

Freons

Polyhalogens

409. Rocks that contain fossils are:

Celandine rocks

Monzonite rocks

Sedimentary rocks

Dolerite rocks

410. Coniferous forests have low biodiversity than:

Tropical Rain Forest

Savanna

Tundra

Cool temperate

411. Vitamin that is produced by body and is not found in fruits and vegetables.

Vitamin B1

Vitamin B12

Vitamin B6

Vitamin A

412. The milk needs to be heated for complete pasteurization at 161°F for ___ seconds.

413. The energy value of fats and oils is ___ times more than carbohydrates and proteins.

4.25

2.25

3.25

5.25

414. The vitamin that control the browning in fruits by the help enzymes is:

Vitamin K

Vitamin C

Vitamin B

Vitamin D

415. ___ makes up 14 to 17 percent of the skeleton.

Iron

Sodium

Magnesium

Phosphorus

416. According to science, the Earth is ____ years old.

10 billion

4.5 million

4.5 billion

450 million

417. Cirrhosis is a disease that affects which organ among the following?

Liver

Kidney

Pancreas

Small Intestine

418. Stimulus intensity is detected in brain by?

The number of actor potentials per second

The threshold potential

The amplitude of the action potential

The number of synapses crossed

419. In the plant cells which reactions occurs in the stroma of the chloroplasts?

Calvin cycle

Fermentation

Krebs cycle

Decarboxylation

420. Approximately what fraction of the human genome encodes proteins?

20%

50%

90%

421. What is the brightest planet in the solar system?

Jupiter

Uranus

Mercury

Venus

422. Jabir ibn Haiyan is famous for his work on:

Optics

Medicine

Mathematics

Chemistry

423. Continental Shelf limits of Pakistan is:

12 Nautical Miles

100 Nautical Miles

250 Nautical Miles

350 Nautical Miles

424. Sedimentary Rocks how much part of earth:

50%

40%

75%

None of these

425. Which planet revolves in Clockwise rotation around sun and seen from earth?

Jupiter

Venus

Mars

None of these

426. The Life of red blood cells is:

110 days

120 days

100 days

None of these

427. Diamond is the form of:

Carbon

Iron

Aluminium

None of these

428. How many Neutrons in Hydrogen:

None of these

429. Far Sightedness can be corrected by:

Convex lens

Concave lens

Bi Focal lens

None of these

430. The Third Most abundant element is in earth's Crust:

Oxygen

Silicon

Aluminium

None of these

431. Metrology is the Science of:

Atmosphere

Weight and Measurements

Ancient writings

None of these

432. Homeostasis is a process to prevent and stop bleeding is made up of:

Starch

Lipase

Amylase

None of these

433. Distance between planet and star is measured in:

Parallax

Light Year

Astronomical Unit

None of these

434. Amount of water vapour in air is regarded as:

Pressure

Mildness

Humidity

None of these

435. Who invented Hydrogen Bomb?

Enrico Fermi

Hann Otto

Edward Teller

None of these

436. Which acid is used in fermentation process of food?

Acetic Acid

Lactic Acid

HCL

None of these

437. The first process in a petroleum refinery is known as:

Reforming

Distillation

Improve Octane Number

None of these

438. Isotopes of an element have the same number of:

Electron

Protons

Neutrons

None of these

439. Which of the following rays are more penetrating?

Alpha

Beta

Gamma

None of these

440. CoronaVac is an inactivated virus COVID-19 Vaccine was developed by:

China

Russia

America

None of these

441. Most common element to all perfumes is:

Ethyl Alcohol

Butane

Propane

None of these

442. The material used in blood clotting is made up of:

Starch

Protein

Lipids

None of these

443. The Energy due to position is called:

Kinetic Energy

Potential Energy

Gravitational Energy

None of these

444. The optical fibers used in fiber optics are made of:

Glass

Plastic

Copper Particles

None of these

445. The thyroid gland located at the front of neck produces :

Thyroxine

Adrenaline

Calcitonin

None of these

446. Pneumonia is an inflammation of the lungs as a result of bacteria named :

Filamentous

Streptococcus

Paramyxo

None of these

447. The basic building blocks of plants animals are referred to as:

Cell

Chromosomes

Guanine

None of these

448. Name the element which is used to fabricate solar cells and transistors?

Silicon

Iron

Germanium

None of these

449. Which metal is used in the florescent tubes and bulb of thermometer?

Copper

Iron

Mercury

None of these

450. Saturated hydrocarbons are called:

Alkanes

Alkynes

Alkenes

None of these

451. In Human Body Pancreas secretes:

Saliva

Tears

Insulin

None of these

452. Lunar Eclipse occurs on:

Full Mon

Half Moon

Quarter Moon

None of these

453. The Study of flowers and fruits is called:

Olericulture

Horticulture

Dendrology

None of these

454. Cyclones are referred as:

Storm in sea

Large System of winds

Earthquake

None of these

455. Name the element which is used to fabricate solar cells and transistors?

Silicon

Aluminium

Germanium

None of these

456. Which Acid is used in batteries:

HCL

H₂SO₄

HNO₃

None of these

457. Study of stars is called:

Astrology

Astronomy

Meteorology

None of these

458. The world's largest bird is:

Ostrich

Great Bustard

King Penguin

None of these

459. Which of the following is primary producer?

Bacteria

Protozoa

Fungus

None of these

460. Who Founded the Relationship between Electricity and Magnetism?

Hans Christian Oersted

Michael Faraday

Rutherford

None of these

461. Long Sleep in animals during winter are termed as:

Hypnagogia

Estivation

Hibernation

None of these

462. The weight of an object at the centre of the earth of radius R is :

Same

Weightless

Rise a little

None of these

463. The least polluted gas is:

Carbon

Nitrogen

Chlorine

None of these

464. To make an uncharged object to have a negative charge we must:

Remove some proton

Add some atoms

Add some Electrons

None of these

465. Dr. Abdus Salam Awarded Nobel Prize having work on which basic forces?

Electromagnetic and Molecular

Electromagnetic and Electromotive

Weak and Electro Magnetic

None of these

466. Name the acid which is present in the sting of ants?

Formic Acid

Oxalic Acid

Tartaric Acid

None of these

467. The gas commonly known as "Laughing gas" is:

Carbondioxide

Methane

Nitrogen

None of these

468. Heart attack is caused due to:

Blood Sugar

Cholesterol

Blood Protein

Vibro Comma

469. What will happen if ozone layer disappears?

UV Rays do not reach earth

UV Rays reach earth

X Rays breach the earth's surface

Alpha Rays damage the Troposphere

470. The most efficient engine is:

Petrol

Electric

Diesel

Stream

471. The smallest planet in our solar system is:

Mercury

Mars

Venus

Earth

472. MTCR stands for:

Missile Technology Control Regime

Missile Triple Category Rationalization

Multiple Technology Control Regime

Missile Technology Control Regulation

473. Which blood group among the following is a universal donor?

AB+ve

O+ve

O-ve

B+ve

474. Eugenics is the science of improving ___ species by breeding out disease and disabilities:

Animals

Humans

Plants

Sea

475. Which among the following vitamins helps in blood clotting?

Vitamin A

Vitamin K

Vitamin C

Vitamin D

476. The term PVC stands for:

Poly Vinyl Chlorine

Poly Vinyl Chloride

Pepto Vinyl Chlorine

Pepto Vinyl Chloroform

477. Loss of memory as a result of damage of the brain is called:

Dementia

Amnesia

Paralysis

None of these

478. Dead plants on the surface of water and oxygen depletion of the water body is called:

Deoxygenation

De-Nitrogenization

Eutrophication

None of these

479. Which instrument is used to measure height of aircraft above ground?

Altimeter

Hydrometer

Tachometer

Altitude Meter

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

200

201

206

None of these

481. Bronze is an alloy of:

Copper & Bronze

Lead & Tin

Copper & Tin

None of these

482. Proton was discovered by:

J J Thomson

Chadwick

Goldstein

None of these

483. Science dealing with diseases of living organism?

Penology

Pathology

Philately

None of these

484. Insects breathe through:

Spiracles

Bronchi

Trachea

None of these

485. "The diversity of species on Earth is generating itself", proved the ideas of:

Louis Pasteaur

Darwin

Robert Kouch

None of these

486. ___is non-viral disease.

HIV/AIDS

Measles

Influenza

None of these

487. The Process of Protection of Iron by Zinc Coating is called:

Tempering

Galvanizing

Smelting

None of these

488. Which material is used in normal pencil?

Carbon

Graphite

Santiago

None of these

489. Which is the hardest?

Iron

Diamond

Aluminum

None of these

490. Which of the following Plants are called arthrophytes?

Lycopsids

Psilopsids

Sphenopsids

None of these

491. Diamond is the form of:

Aluminium

Carbon

Graphite

None of these

492. The Strongest type of Energy is:

Thermal

Bio Energy

Nuclear

None of these

493. ___ supply oxygen to blood.

Leukocytes

Erythrocyte

Lymphocytes

None of these

494. Which thing the brain demands the most:

Glucose

Proteins

Lipids

None of these

MCQs Categories