Hydrogen has __________ isotopes.
3
The hydrogen bomb was invented by __________.
Edward Teller
A rigid, allotrope of carbon is __________.
Diamond
Pressure is defined as force divided by __________.
Area
Foot and mouth disease affects __________.
Animals
The chemical symbol for iron, a non-compound element, is __________.
Fe
The Celsius equivalent of 0 Kelvin is __________ °C.
-273
The lowest energy particle emitted in radioactive decay is the __________ particle.
Alpha
The chemical symbol for gold is __________.
Au
Vitamin __________ is essential for vision.
A
Gunmetal is an alloy of __________, __________, zinc, iron, and lead.
Copper, tin
Anaemia is caused by __________ deficiency.
Iron
Acids are stored in __________ containers.
Glass
Night blindness is caused by deficiency of vitamin __________.
A
__________ is a non-natural fiber.
Nylon
The largest mammal is the __________.
Blue whale
Mechanical energy consists of __________ and __________ energy.
Kinetic, Potential
The main component of cement is __________.
Limestone
Earth moves in __________ main ways.
2
The largest gland in the human body is the __________.
Liver
Chemical properties of elements depend on their __________.
Atomic number
The first cloned mammal was __________.
Dolly
Non-metal used for water purification is __________.
Chlorine
Insulin is produced by the __________.
Pancreas
The force acting on a body moving in a circular path is called __________ force.
Centrifugal
Acid rain is caused by __________ pollution.
Air
The ozone layer protects us from __________ rays.
UV
A proton has a __________ charge.
Positive
Amoeba is a __________ organism.
Unicellular
Fish breathe through __________.
Gills
Copper has an atomic number of __________.
29
The chemical formula for hexane is __________.
C6H14
To increase forest wealth, __________ is important.
Afforestation
Information storage in the brain occurs in the __________.
Cerebrum
The chemical formula of carbon monoxide is __________.
CO
The father of biology is __________.
Aristotle
__________ is a swelling of the thyroid gland (goitre).
Throat
The source of starlight is __________ fusion.
Nuclear
Laughing gas is chemically known as __________.
N2O
A nanometer is equal to __________ meters.
10^-9
Blood purification occurs in the __________.
Kidney
The pioneer of biology is __________.
Aristotle
__________ is a non-waterborne disease.
Malaria
A poor conductor of electricity is __________.
Wood
Milk purity is measured by a __________.
Lactometer
The most electronegative element is __________.
Fluorine
The proponent of the biogenetic law was __________.
Ernst
The sugar found in grape juice is __________.
Glucose
The functional unit of the kidney is the __________.
Nephron
Cataract affects the __________.
Eye
A common staple food is __________.
Rice
The unit of momentum is __________.
Dyne/second
A major blood protein is __________.
Albumin
The acid found in apples is __________ acid.
Malic
The liver produces __________.
Heparin
The day-night cycle is caused by Earth's __________.
Rotation
Electrical resistance is measured in __________.
Ohm
Normal human blood pressure is __________ mmHg.
120/80
Movement of electrons in a conductor is called __________ current.
Electric
Tuberculosis is a __________ disease.
Communicable
Enzymes are made of __________.
Proteins
The gas responsible for celestial lightning is __________.
Nitric oxide
Arthritis is a disease associated with __________.
Joints
TV remote controls commonly use __________ waves.
Infrared
A common joint disease is __________.
Arthritis
The heaviest naturally occurring gas is __________.
Radon
Green vegetables are rich in vitamins __________ and __________.
A, B
Light energy is a form of __________ energy.
Radiant
Agar-agar is derived from __________ algae.
Red
The plasma membrane is __________ to many substances.
Impermeable
Major air pollution causes include __________, __________, and smoke.
CO2, SO2
A generator produces __________.
Electricity
Asthma is a disease caused by __________ pollution.
Air
The ozone molecule contains __________ oxygen atoms.
3
The discovery of blood pumping is credited to __________.
William Harvey
Humans have __________ pairs of salivary glands.
3
Amoeba reproduces by __________ fission.
Binary