Which vitamin is essential for blood
clotting?
Vitamin A
Vitamin C
Vitamin K
Vitamin D
Answer: c) Vitamin K
The chemical formula for water is:
H2O
CO2
Na Cl
CH4
Answer: a) H2O
Which gas is most abundant in the Earth’s
atmosphere?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: b) Nitrogen
The process of converting a solid directly
into a gas is called:
Melting
Sublimation
Condensation
Evaporation
Answer: b) Sublimation
Which instrument is used to measure blood
pressure?
Stethoscope
Thermometer
Sphygmomanometer
Spirometer
Answer: c) Sphygmomanometer
Which of the following is not a primary
color of light?
Red
Green
Blue
Yellow
Answer: d) Yellow
What is the largest organ in the human body?
Liver
Brain
Skin
Heart
Answer: c) Skin
Which disease is caused by the deficiency
of vitamin C?
Scurvy
Rickets
Beriberi
Pellagra
Answer: a) Scurvy
Which planet is known as the Red Planet?
Mars
Jupiter
Venus
Saturn
Answer: a) Mars
What is the process by which plants make
their own food called?
Respiration
Photosynthesis
Transpiration
Fermentation
Answer: b) Photosynthesis
What is the unit of electric current?
Watt
Ampere
Volt
Ohm
Answer: b) Ampere
Which gas is responsible for the greenhouse
effect?
Oxygen
Carbon dioxide
Nitrogen
Methane
Answer: b) Carbon dioxide
Which metal is the best conductor of
electricity?
Copper
Silver
Aluminum
Iron
Answer: b) Silver
What is the SI unit of force?
Newton
Watt
Joule
Pascal
Answer: a) Newton
Which type of mirror is used in a car’s
rearview mirror?
Plane mirror
Convex mirror
Concave mirror
Spherical
mirror
Answer: b) Convex mirror
What is the chemical symbol for gold?
Go
Ag
Au
Pt
Answer: c) Au
What is the process of converting a gas
into a liquid called?
Melting
Sublimation
Condensation
Evaporation
Answer: c) Condensation
Which part of the plant is responsible for
photosynthesis?
Roots
Leaves
Stem
Flowers
Answer: b) Leaves
Which disease is caused by the bite of an
infected female Anopheles mosquito?
Malaria
Dengue fever
Chikungunya
Zika virus
Answer: a) Malaria
Which gas is produced during the process of
respiration?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the SI unit of energy?
Watt
Joule
Newton
Ohm
Answer: b) Joule
Which planet is known as the “Morning
Star” or “Evening Star”?
Mars
Venus
Jupiter
Saturn
Answer: b) Venus
What is the smallest unit of matter?
Atom
Cell
Molecule
Proton
Answer: a) Atom
Which type of energy is stored in a
battery?
Thermal energy
Chemical energy
Kinetic energy
Electrical
energy
Answer: b) Chemical energy
Which part of the human body is affected by
hepatitis?
Lungs
Liver
Kidneys
Heart
Answer: b) Liver
What is the process of converting a liquid
into a gas called?
Melting
Sublimation
Condensation
Evaporation
Answer: d) Evaporation
What is the main function of the pancreas
in the human body?
Production of
insulin
Pumping blood
Digestion of
food
Filtering waste
products
Answer: a) Production of insulin
Which type of waves are used in mobile
communication?
Radio waves
Sound waves
X-rays
Gamma rays
Answer: a) Radio waves
What is the chemical formula for table
salt?
Na Cl
H2O
CO2
CH4
Answer: a) Na Cl
Which gas is essential for respiration?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Answer: a) Oxygen
What is the process of converting a gas
into a solid directly called?
Melting
Sublimation
Condensation
Deposition
Answer: d) Deposition
Which vitamin is produced in the skin when
exposed to sunlight?
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Answer: c) Vitamin D
Which type of lens corrects myopia
(nearsightedness)?
Convex lens
Concave lens
Plano-concave
lens
Plano-convex
lens
Answer: b) Concave lens
What is the main function of the kidneys in
the human body?
Regulation of
body temperature
Production of
red blood cells
Filtration of
waste products from the blood
Digestion of
food
Answer: c) Filtration of waste products
from the blood
Which disease is caused by the deficiency
of iron in the body?
Scurvy
Rickets
Anemia
Asthma
Answer: c) Anemia
What is the unit of electric resistance?
Watt
Ampere
Volt
Ohm
Answer: d) Ohm
Which gas is responsible for the depletion
of the ozone layer?
Oxygen
Nitrogen
Carbon dioxide
Chlorofluorocarbons
(CFCs)
Answer: d) Chlorofluorocarbons (CFCs)
Which type of waves are used in remote
control devices?
Radio waves
Infrared waves
Ultraviolet
waves
X-rays
Answer: b) Infrared waves
Which organ in the human body produces
insulin?
Liver
Pancreas
Kidneys
Gallbladder
Answer: b) Pancreas
What is the process of converting a solid
into a liquid called?
Melting
Sublimation
Condensation
Evaporation
Answer: a) Melting
Which gas is released during the process of
respiration?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the SI unit of power?
Watt
Joule
Newton
Ohm
Answer: a) Watt
Which type of mirror is used in a
telescope?
Plane mirror
Convex mirror
Concave mirror
Spherical
mirror
Answer: c) Concave mirror
What is the main function of red blood
cells in the human body?
Carrying oxygen
Fighting
infections
Digesting food
Filtering waste
products
Answer: a) Carrying oxygen
Which disease is caused by the deficiency
of iodine in the diet?
Scurvy
Rickets
Goiter
Anemia
Answer: c) Goiter
What is the process of converting a liquid
into a solid called?
Melting
Sublimation
Condensation
Freezing
Answer: d) Freezing
Which type of energy is associated with the
position of an object?
Thermal energy
Potential
energy
Kinetic energy
Chemical energy
Answer: b) Potential energy
Which gas is used for artificial
respiration?
Oxygen
Nitrogen
Carbon dioxide
Helium
Answer: a) Oxygen
What is the SI unit of frequency?
Watt
Ampere
Hertz
Ohm
Answer: c) Hertz
Which type of waves are used in satellite
communication?
Radio waves
Sound waves
X-rays
Gamma rays
Answer: a) Radio waves
What is the process of converting a gas
into a liquid called in chemistry?
Melting
Sublimation
Condensation
Evaporation
Answer: c) Condensation
Which vitamin is responsible for
maintaining healthy eyesight?
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Answer: a) Vitamin A
What is the main function of white blood
cells in the human body?
Carrying oxygen
Fighting
infections
Digesting food
Filtering waste
products
Answer: b)
Fighting infections
Which gas is known as laughing gas?
Oxygen
Nitrogen
Carbon dioxide
Nitrous oxide
Answer: d) Nitrous oxide
What is the SI unit of electric charge?
Ampere
Volt
Coulomb
Ohm
Answer: c) Coulomb
Which type of lens corrects hypermetropia
(farsightedness)?
Convex lens
Concave lens
Plano-concave
lens
Plano-convex
lens
Answer: a) Convex lens
What is the process of converting a gas
directly into a solid called?
Melting
Sublimation
Condensation
Deposition
Answer: d) Deposition
Which gas is used in the process of
photosynthesis?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the main function of the
gallbladder in the human body?
Production of
bile
Pumping blood
Digestion of
food
Filtering waste
products
Answer: a) Production of bile
Which type of waves are used in microwave
ovens?
Radio waves
Infrared waves
Ultraviolet
waves
Microwaves
Answer: d) Microwaves
What is the chemical formula for glucose?
C6H12O6
H2O
CO2
CH4
Answer: a) C6H12O6
Which gas is responsible for the characteristic
smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the process of converting a solid
directly into a gas called in chemistry?
Melting
Sublimation
Condensation
Evaporation
Answer: b) Sublimation
Which vitamin is essential for healthy
bones and teeth?
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Answer: c) Vitamin D
What is the main function of platelets in
the human body?
Carrying oxygen
Fighting
infections
Clotting blood
Filtering waste
products
Answer: c) Clotting blood
Which disease is caused by the deficiency
of vitamin B1?
Scurvy
Rickets
Beriberi
Pellagra
Answer: c) Beriberi
What is the unit of electrical energy
consumed?
Watt
Ampere
Joule
Kilowatt-hour
Answer: d) Kilowatt-hour
Which gas is responsible for the blue color
of the flame in a Bunsen burner?
Oxygen
Nitrogen
Carbon dioxide
Methane
Answer: d) Methane
What is the main function of the adrenal
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which gas is used in fire extinguishers?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the SI unit of pressure?
Watt
Pascal
Newton
Ohm
Answer: b) Pascal
Which type of lens is used to correct
astigmatism?
Convex lens
Concave lens
Cylindrical
lens
Spherical lens
Answer: c) Cylindrical lens
What is the process of converting a liquid
into a gas called?
Melting
Sublimation
Condensation
Evaporation
Answer: d) Evaporation
Which gas is responsible for the acidity of
citrus fruits?
Oxygen
Nitrogen
Carbon dioxide
Citric acid
Answer: d) Citric acid
What is the main function of the small
intestine in the digestive system?
Absorption of
nutrients
Pumping blood
Digestion of
food
Production of
enzymes
Answer: a) Absorption of nutrients
Which type of waves are used in fiber optic
communication?
Radio waves
Infrared waves
Ultraviolet
waves
Light waves
Answer: d) Light waves
What is the chemical formula for sulfuric
acid?
H2O
CO2
NaCl
H2SO4
Answer: d) H2SO4
Which gas is used in light bulbs for
illumination?
Oxygen
Nitrogen
Carbon dioxide
Argon
Answer: d) Argon
What is the process of converting a gas
into a liquid called?
Melting
Sublimation
Condensation
Vaporization
Answer: c) Condensation
Which vitamin is necessary for the proper
functioning of the nervous system?
Vitamin A
Vitamin C
Vitamin B12
Vitamin E
Answer: c) Vitamin B12
What is the main function of the thyroid
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin B3?
Scurvy
Rickets
Beriberi
Pellagra
Answer: d) Pellagra
What is the unit of frequency of sound waves?
Watt
Ampere
Hertz
Ohm
Answer: c) Hertz
Which gas is used by plants during
photosynthesis?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the main function of the sweat
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: a) Regulation of body temperature
Which disease is caused by the deficiency
of vitamin B2?
Scurvy
Rickets
Beriberi
Riboflavin deficiency
Answer: d) Riboflavin deficiency
Which gas is used in the preparation of
soft drinks?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the SI unit of frequency?
Watt
Ampere
Hertz
Ohm
Answer: c) Hertz
Which type of lens is used in a magnifying
glass?
Convex lens
Concave lens
Plano-concave
lens
Plano-convex
lens
Answer: a) Convex lens
What is the process of changing a solid
directly into a gas called?
Melting
Sublimation
Condensation
Evaporation
Answer: b) Sublimation
Which gas is responsible for the greenhouse
effect?
Oxygen
Nitrogen
Carbon dioxide
Methane
Answer: c) Carbon dioxide
What is the main function of the large
intestine in the digestive system?
Absorption of
nutrients
Pumping blood
Digestion of
food
Absorption of
water
Answer: d) Absorption of water
Which type of waves are used in Wi-Fi
communication?
Radio waves
Infrared waves
Ultraviolet
waves
Microwaves
Answer: d) Microwaves
What is the chemical formula for water?
NaCl
H2O
CO2
CH4
Answer: b) H2O
Which gas is responsible for the smell of
rotten onions?
Oxygen
Nitrogen
Carbon dioxide
Sulfur
compounds
Answer: d) Sulfur compounds
What is the main function of the pituitary
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin K?
Scurvy
Rickets
Beriberi
Bleeding
disorder
Answer: d) Bleeding disorder
What is the unit of electric current?
Watt
Ampere
Coulomb
Ohm
Answer: b) Ampere
Which gas is used in the production of
fertilizers?
Oxygen
Nitrogen
Carbon dioxide
Ammonia
Answer: b) Nitrogen
What is the main function of the sweat
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: a) Regulation of body temperature
Which disease is caused by the deficiency
of vitamin B6?
Scurvy
Rickets
Beriberi
Pyridoxine
deficiency
Answer: d) Pyridoxine deficiency
What is the unit of electric power?
Watt
Ampere
Joule
Kilowatt-hour
Answer: a) Watt
Which gas is responsible for the smell of
rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
Which gas is used in the production of soft
drinks and sparkling water?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the SI unit of electric resistance?
Watt
Ampere
Ohm
Volt
Answer: c) Ohm
Which type of lens is used to correct
myopia (nearsightedness)?
Convex lens
Concave lens
Plano-concave
lens
Plano-convex
lens
Answer: b) Concave lens
What is the process of changing a gas into
a liquid called?
Melting
Sublimation
Condensation
Vaporization
Answer: c) Condensation
Which gas is responsible for the sour taste
of lemons?
Oxygen
Nitrogen
Carbon dioxide
Citric acid
Answer: d) Citric acid
What is the main function of the liver in
the human body?
Production of
bile
Pumping blood
Digestion of
food
Filtration of
waste products
Answer: a) Production of bile
Which type of waves are used in television
broadcasting?
Radio waves
Infrared waves
Ultraviolet
waves
Microwaves
Answer: a) Radio waves
What is the chemical formula for table
salt?
NaCl
H2O
CO2
CH4
Answer: a) NaCl
Which gas is responsible for the odor of
garlic?
Oxygen
Nitrogen
Carbon dioxide
Sulfur
compounds
Answer: d) Sulfur compounds
What is the main function of the pancreas
in the digestive system?
Absorption of
nutrients
Production of
enzymes
Regulation of
body temperature
Absorption of
water
Answer: b) Production of enzymes
Which type of waves are used in radio
communication?
Radio waves
Infrared waves
Ultraviolet
waves
X-rays
Answer: a) Radio waves
What is the chemical formula for hydrogen
peroxide?
H2O2
CO2
NaCl
HCl
Answer: a) H2O2
Which gas is responsible for the
characteristic smell of natural gas?
Oxygen
Nitrogen
Carbon dioxide
Methane
Answer: d) Methane
What is the main function of the kidneys in
the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: c) Filtration of waste products
Which disease is caused by the deficiency
of vitamin B12?
Scurvy
Rickets
Beriberi
Pernicious
anemia
Answer: d) Pernicious anemia
What is the unit of electric potential
difference?
Watt
Ampere
Volt
Coulomb
Answer: c) Volt
Which gas is used in the production of
ammonia-based fertilizers?
Oxygen
Nitrogen
Carbon dioxide
Ammonia
Answer: b) Nitrogen
What is the main component of natural gas?
Oxygen
Nitrogen
Carbon dioxide
Methane
Answer: d) Methane
What is the process of changing a liquid
into a solid called?
Melting
Sublimation
Condensation
Freezing
Answer: d) Freezing
Which gas is responsible for the
characteristic smell of vinegar?
Oxygen
Nitrogen
Carbon dioxide
Acetic acid
Answer: d) Acetic acid
What is the main function of the spleen in
the human body?
Production of
bile
Pumping blood
Digestion of
food
Filtration of
blood
Answer: d) Filtration of blood
Which type of waves are used in radar
systems?
Radio waves
Infrared waves
Ultraviolet
waves
X-rays
Answer: a) Radio waves
What is the chemical formula for ammonia?
NH3
CO2
NaCl
H2O
Answer: a) NH3
Which gas is responsible for the
characteristic smell of rotten cabbage?
Oxygen
Nitrogen
Carbon dioxide
Volatile sulfur
compounds
Answer: d) Volatile sulfur compounds
What is the main function of the lungs in
the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Exchange of
gases
Answer: d) Exchange of gases
Which disease is caused by the deficiency
of vitamin E?
Scurvy
Rickets
Beriberi
Vitamin E
deficiency
Answer: d) Vitamin E deficiency
What is the unit of frequency of
electromagnetic waves?
Watt
Ampere
Hertz
Volt
Answer: c) Hertz
Which gas is responsible for the
characteristic smell of rotten fish?
Oxygen
Nitrogen
Carbon dioxide
Trimethylamine
Answer: d) Trimethylamine
What is the main function of the lymph
nodes in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Defense against
infections
Answer: d) Defense against infections
Which disease is caused by the deficiency
of vitamin B9?
Scurvy
Rickets
Beriberi
Folate
deficiency
Answer: d) Folate deficiency
What is the unit of electric current?
Watt
Ampere
Coulomb
Ohm
Answer: b) Ampere
Which gas is used in the production of
rubber?
Oxygen
Nitrogen
Carbon dioxide
Chlorine
Answer: b) Nitrogen
What is the main function of the adrenal
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin B7?
Scurvy
Rickets
Beriberi
Biotin
deficiency
Answer: d) Biotin deficiency
What is the unit of electric power?
Watt
Ampere
Joule
Kilowatt-hour
Answer: a) Watt
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the thymus
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Development of
immune cells
Answer: d) Development of immune cells
Which disease is caused by the deficiency
of vitamin D?
Scurvy
Rickets
Beriberi
Osteoporosis
Answer: b) Rickets
What is the unit of electric charge?
Watt
Ampere
Coulomb
Volt
Answer: c) Coulomb
Which gas is used in the production of food
preservatives?
Oxygen
Nitrogen
Carbon dioxide
Sulfur dioxide
Answer: d) Sulfur dioxide
What is the main component of air?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: b) Nitrogen
What is the process of changing a liquid
into a gas called?
Melting
Sublimation
Condensation
Evaporation
Answer: d) Evaporation
Which gas is responsible for the
characteristic smell of rotten apples?
Oxygen
Nitrogen
Carbon dioxide
Ethylene
Answer: d) Ethylene
What is the main function of the
gallbladder in the human body?
Production of
bile
Pumping blood
Digestion of
food
Storage of bile
Answer: d) Storage of bile
Which type of waves are used in microwave
ovens?
Radio waves
Infrared waves
Ultraviolet
waves
Microwaves
Answer: d) Microwaves
What is the chemical formula for sulfuric
acid?
H2SO4
CO2
NaCl
H2O
Answer: a) H2SO4
Which gas is responsible for the
characteristic smell of skunks?
Oxygen
Nitrogen
Carbon dioxide
Butyric acid
Answer: d) Butyric acid
What is the main function of the thyroid
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin C?
Scurvy
Rickets
Beriberi
Pellagra
Answer: a) Scurvy
What is the unit of electric current?
Watt
Ampere
Joule
Volt
Answer: b) Ampere
Which gas is used in the production of soft
drinks and carbonated beverages?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Answer: c) Carbon dioxide
What is the process of changing a gas
directly into a solid called?
Melting
Sublimation
Condensation
Deposition
Answer: d) Deposition
Which gas is responsible for the
characteristic smell of onions?
Oxygen
Nitrogen
Carbon dioxide
Sulfur
compounds
Answer: d) Sulfur compounds
What is the main function of the small
intestine in the digestive system?
Absorption of
nutrients
Pumping blood
Digestion of
food
Absorption of
water
Answer: a) Absorption of nutrients
Which type of waves are used in remote
control devices?
Radio waves
Infrared waves
Ultraviolet
waves
X-rays
Answer: b) Infrared waves
What is the chemical formula for sodium
bicarbonate (baking soda)?
NaHCO3
CO2
NaCl
H2O
Answer: a) NaHCO3
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main component of the Earth’s
atmosphere?
Oxygen
Nitrogen
Carbon dioxide
Argon
Answer: b) Nitrogen
What is the process of changing a solid
directly into a gas called?
Melting
Sublimation
Condensation
Vaporization
Answer: b) Sublimation
Which gas is responsible for the characteristic
smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the large
intestine in the digestive system?
Absorption of
nutrients
Pumping blood
Digestion of
food
Absorption of
water
Answer: d) Absorption of water
Which type of waves are used in Wi-Fi
communication?
Radio waves
Infrared waves
Ultraviolet
waves
Microwaves
Answer: d) Microwaves
What is the chemical formula for
hydrochloric acid?
HCl
CO2
NaCl
H2O
Answer: a) HCl
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the pituitary
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin A?
Scurvy
Rickets
Beriberi
Night blindness
Answer: d) Night blindness
What is the unit of electric charge?
Watt
Ampere
Coulomb
Volt
Answer: c) Coulomb
Which gas is used in the production of soda
lime?
Oxygen
Nitrogen
Carbon dioxide
Calcium oxide
Answer: c) Carbon dioxide
What is the process of changing a gas into
a liquid called?
Melting
Sublimation
Condensation
Vaporization
Answer: c) Condensation
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the
hypothalamus in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Control of
body’s homeostasis
Answer: d) Control of body’s homeostasis
Which disease is caused by the deficiency
of vitamin K?
Scurvy
Rickets
Beriberi
Hemorrhagic
disease
Answer: d) Hemorrhagic disease
What is the unit of electric power?
Watt
Ampere
Joule
Volt
Answer: a) Watt
Which gas is used in the production of
photographic film?
Oxygen
Nitrogen
Carbon dioxide
Silver halides
Answer: d) Silver halides
What is the main component of natural
rubber?
Cellulose
Starch
Latex
Petroleum
Answer: c) Latex
What is the process of changing a solid
directly into a gas without passing through the liquid state called?
Melting
Sublimation
Condensation
Vaporization
Answer: b) Sublimation
Which gas is responsible for the
characteristic smell of garlic?
Oxygen
Nitrogen
Carbon dioxide
Allicin
Answer: d) Allicin
What is the main function of the pancreas
in the human body?
Production of
bile
Pumping blood
Digestion of
food
Regulation of
blood sugar levels
Answer: d) Regulation of blood sugar levels
Which type of waves are used in fiber optic
communication?
Radio waves
Infrared waves
Ultraviolet
waves
Light waves
Answer: d) Light waves
What is the chemical formula for water?
H2O2
CO2
NaCl
H2O
Answer: d) H2O
Which gas is responsible for the
characteristic smell of skunk cabbage?
Oxygen
Nitrogen
Carbon dioxide
Methyl
mercaptan
Answer: d) Methyl mercaptan
What is the main function of the adrenal
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin B12?
Scurvy
Rickets
Beriberi
Pernicious
anemia
Answer: d) Pernicious anemia
What is the unit of electric current?
Watt
Ampere
Joule
Volt
Answer: b) Ampere
Which gas is used in the production of
carbonated water?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
peroxide
Answer: c) Carbon dioxide
What is the process of changing a gas into
a solid without passing through the liquid state called?
Melting
Sublimation
Condensation
Deposition
Answer: d) Deposition
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the spleen in
the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Defense against
infections
Answer: d) Defense against infections
What is the main component of natural gas?
Methane
Oxygen
Carbon dioxide
Nitrogen
Answer: a) Methane
What is the process of changing a liquid
into a solid called?
Melting
Sublimation
Condensation
Freezing
Answer: d) Freezing
Which gas is responsible for the
characteristic smell of rotten cabbage?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the liver in
the human body?
Production of
bile
Pumping blood
Digestion of
food
Detoxification
and metabolism
Answer: d) Detoxification and metabolism
Which type of waves are used in MRI
(Magnetic Resonance Imaging) machines?
Radio waves
Infrared waves
Ultraviolet waves
Magnetic waves
Answer: a) Radio waves
What is the chemical formula for glucose?
H2O
CO2
C6H12O6
NaCl
Answer: c) C6H12O6
Which gas is responsible for the
characteristic smell of rotten onions?
Oxygen
Nitrogen
Carbon dioxide
Sulfur
compounds
Answer: d) Sulfur compounds
What is the main function of the adrenal
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Storage of bile
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin D?
Scurvy
Rickets
Beriberi
Osteoporosis
Answer: b) Rickets
What is the unit of electric charge?
Watt
Ampere
Coulomb
Volt
Answer: c) Coulomb
Which gas is used in the production of
fireworks for colorful explosions?
Oxygen
Nitrogen
Carbon dioxide
Different metal
compounds
Answer: d) Different metal compounds
What is the process of changing a gas into
a liquid called?
Melting
Sublimation
Condensation
Vaporization
Answer: c) Condensation
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the pituitary
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Control of
growth and development
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin E?
Scurvy
Rickets
Beriberi
Hemolytic
anemia
Answer: d) Hemolytic anemia
What is the unit of electric power?
Watt
Ampere
Joule
Volt
Answer: a) Watt
What is the main component of vinegar?
Acetic acid
Citric acid
Lactic acid
Hydrochloric
acid
Answer: a) Acetic acid
What is the process of changing a solid
into a liquid called?
Melting
Sublimation
Condensation
Freezing
Answer: a) Melting
Which gas is responsible for the
characteristic smell of garlic?
Oxygen
Nitrogen
Carbon dioxide
Allicin
Answer: d) Allicin
What is the main function of the spleen in
the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Defense against
infections
Answer: d) Defense against infections
Which type of waves are used in fiber optic
communication?
Radio waves
Infrared waves
Ultraviolet
waves
Light waves
Answer: d) Light waves
What is the chemical formula for water?
H2O2
CO2
NaCl
H2O
Answer: d) H2O
Which gas is responsible for the
characteristic smell of skunk cabbage?
Oxygen
Nitrogen
Carbon dioxide
Methyl
mercaptan
Answer: d) Methyl mercaptan
What is the main function of the adrenal
glands in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Digestion of
food
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin B12?
Scurvy
Rickets
Beriberi
Pernicious
anemia
Answer: d) Pernicious anemia
What is the unit of electric current?
Watt
Ampere
Joule
Volt
Answer: b) Ampere
Which gas is used in the production of
carbonated water?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
peroxide
Answer: c) Carbon dioxide
What is the process of changing a gas into
a solid without passing through the liquid state called?
Melting
Sublimation
Condensation
Deposition
Answer: d) Deposition
Which gas is responsible for the
characteristic smell of rotten eggs?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
sulfide
Answer: d) Hydrogen sulfide
What is the main function of the pituitary
gland in the human body?
Regulation of
body temperature
Production of
hormones
Filtration of
waste products
Control of
growth and development
Answer: b) Production of hormones
Which disease is caused by the deficiency
of vitamin E?
Scurvy
Rickets
Beriberi
Hemolytic
anemia
Answer: d) Hemolytic anemia
What is the unit of electric power?
Watt
Ampere
Joule
Volt
Answer: a) Watt
Pages:
