Earth's outermost layer is called the __________.
Crust
The most abundant metal in the earth's crust is __________.
Aluminium
The chemical name of vinegar is __________.
Acetic acid
Examples of contagious diseases include __________, __________, and __________.
Ebola, TB, Hepatitis
Fish breathe through __________.
Gills
Litmus paper turns __________ in acid.
Red
Insulin is produced by the __________.
Pancreas
The gas primarily used in respiration is __________.
Oxygen (O2)
The valency of oxygen in water is __________.
2
Planetary bodies orbiting planets are called __________.
Satellites
Hemoglobin is found in __________.
Blood
Electrical resistance is measured in __________.
Ohms
A simple microscope uses a __________ lens.
Convex
he chief iron ore is __________.
Hematite
Bernoulli's principle is based on the conservation of __________.
Energy
The unit of electric current is __________.
Ampere
An example of an endothermic reaction is __________.
Ammonium Nitrate
Liver disease is often caused by excessive __________ consumption.
Alcohol
The physicist famous for relativity is __________.
Albert Einstein
Another scalar quantity is __________.
Speed
N2O (laughing gas) is __________ a pollutant.
Not
The first law of motion is called the law of __________.
Inertia
Solar energy is converted using a __________ cell.
Solar
An example of a scalar quantity is __________ potential.
Electric
Animals with a carnivorous diet eat mainly __________.
Meat
The plasma membrane is __________ to many substances.
Impermeable
The Big Bang Theory explains the __________ universe.
Expanding
The rarest naturally occurring element is __________.
Astatine
Galvanizing protects metal using __________.
Zinc
A common antibiotic is __________.
Ampicillin
The number of neutrons in uranium is __________.
92
Ozone gas has a __________ color.
Pale blue
Surface tension __________ with rising temperature.
Decreases
Hydrogen gas is liberated by __________ methods.
Various
The hottest planet in the solar system is __________.
Venus
Vitamin __________ is essential for eye health.
A
Photosynthesis occurs in the __________.
Chloroplast
Tear gas contains __________ as a constituent.
Chloropicrin
Fish is a good source of __________.
Protein
The formula for baking soda is __________.
NaHCO3
A dynamo generates __________.
Electricity
Pure iron used in industry is called __________ iron.
Wrought
The chemical symbol for nickel is __________.
Ni
AIDS is caused by a __________.
Virus
The chemical symbol for gold is __________.
Au
A magnet has __________ and __________ poles.
North, South
IED stands for __________.
Improvised Explosive Device
Fog is composed mainly of __________, __________, and SO2.
Smoke, Water droplets
Solar water heating works best on __________ days.
Sunny
__________ is a non-waterborne disease.
Malaria
Fire prevention uses __________ gas.
CO2
Vitamin C is abundant in __________ and __________.
Lemon, Orange
Sulfur is soluble in __________.
Carbon dioxide
Plants obtain energy from __________.
Sunlight
The unit of momentum is __________.
Dyne/second
A good electrical insulator is __________.
Diamond
One horsepower is equivalent to __________ watts.
746
Chikungunya is transmitted by __________.
Mosquito
The power rating of a common bulb is __________.
110W
The chemical formula of salt is __________.
NaCl
Bulletproof glass has a special __________ structure.
Layered
The microscope was invented by __________.
Zacharias Janssen
Inorganic compounds do not contain __________.
Carbon
Diamond is composed of pure __________.
Carbon
The liver produces __________.
Heparin
The SI unit of pressure is __________.
Pascal
The proponent of the biogenetic law was __________.
Ernst
Diamond is an allotrope of __________.
Carbon
A flying mammal is called a __________.
Bat
ECG helps in identifying __________ diseases.
Heart
The best conductor of electricity is __________.
Silver
The formula for potassium chloride is __________.
KCl
Blood purification occurs in the __________.
Kidney
The study of bones is called __________.
Osteology
__________ is a non-electromagnetic wave.
Sound
The noble gas with the lowest boiling point is __________.
Helium
Nitrogen gas is __________ in color.
Colorless
Hemoglobin contains __________ as an essential component.
Iron
Wine production involves __________.
Yeast
Water is a __________ compound.
Compound
The formula for kinetic energy is __________.
½mv²
A proton has a __________ charge.
Positive
The gas present in soda water is __________.
CO2
Kinetic energy is zero at __________ level.
Ground
The atomic number of carbon is __________.
6
The law governing swimming is the __________ law.
Third
Gases have negligible temperature at __________.
0 Kelvin
Mammals evolved from __________.
Reptiles
Chemical properties of elements depend on their __________.
Atomic number
Smallpox is a __________ disease.
Viral
The BCG vaccine targets __________.
Tuberculosis
The element with the smallest nucleus is __________.
Helium
Brass is an alloy of __________ and __________.
Copper, Zinc
__________ disease has been eradicated globally.
Smallpox
Nylon 6,6 is a __________ polymer.
Synthetic
Acid rain is caused by __________ pollution.
Air pollution
The harmful substance in tobacco is __________.
Nicotine
The main excretory organ is the __________.
Kidney
Normal human body temperature is approximately __________°F.
98.4