Tuberculosis is an __________ disease.
Airborne
Vitamin E acts as an __________ agent.
Anti-sterile (Antioxidant)
An alloy is formed by combining __________.
Metals
Alpha rays carry a __________ charge.
Positive
Planets move around the sun in a __________.
Orbit
Water expands when it freezes, causing a __________ in volume.
Increase
Fish respire through __________.
Gills
Mixed fertilizers contain nitrogen, phosphorus, and __________.
Potassium
A renewable energy source is __________.
Wind
Typhoid affects the __________.
Intestine
Raisins swell in __________ solutions due to osmosis.
Hypertonic
Weight decreases on the __________ (moon).
Moon
Cholera is caused by __________.
Bacteria
Magnetic flux is measured in __________.
Weber
The lightest element is __________.
Hydrogen (H)
Water has maximum density at __________.
4°C
Fish breathe through __________.
Gills
Carbon dioxide (CO2) is used in __________ extinguishers.
Fire
Rubber is obtained from __________.
Trees
Water is chemically composed of __________ and __________.
Hydrogen, Oxygen
Dry cell produces __________ energy.
Chemical
Seawater is __________ due to dissolved salts.
Alkaline
Saliva contains enzymes that digest __________.
Starch
Chlorophyll acts as a catalyst in __________.
Photosynthesis
Weight decreases with __________ altitude.
Increased
The outer layer of skin is called __________.
Epidermis
A common source of carbohydrates is __________.
Rice
Sodium carbonate is commonly known as __________.
Washing soda
A seismograph measures __________.
Earthquakes
The chemical symbol for iron is __________.
Fe
Typhoid is caused by __________ contamination.
Food
Solar energy is a type of __________ energy.
Renewable
Penicillin was discovered by __________.
Alexander Fleming
To convert Fahrenheit to Celsius, use the formula __________.
(F - 32) × 5/9
The standard AC frequency is __________ Hertz.
50
A magnetic field is a __________ quantity.
Vector
A poisonous gas harmful to humans is __________.
Carbon monoxide
Atmospheric pressure is measured at __________ sea level.
Standard
Boyle's law equation is __________.
PV = constant
The only egg-laying mammal is the __________.
Platypus
Lightning contains the gas __________.
Nitric oxide
The cell theory was proposed by __________.
Schleiden
__________ is a minimally invasive surgical procedure.
Laparoscopy
The acid used in car batteries is __________ acid.
Sulfuric
A compass needle points towards the __________.
Magnetic north
The femur is located in the __________.
Human leg
Red phosphorus is a type of __________.
Phosphorus
Heavy water has the chemical formula __________.
D2O
Acceleration due to gravity is approximately __________ m/s².
9.8
The largest human gland is the __________.
Liver
One horsepower equals __________ watts.
746
Bauxite is an ore of __________.
Aluminum
Bauxite is the ore of __________.
Aluminum
-40°C in Fahrenheit is __________.
-40
Laughing gas is __________ oxide.
Nitrous
1 kilocalorie equals __________ calories.
1000
Sound travels faster in __________ than in air.
Iron
Excessive alcohol consumption affects the __________.
Liver
Doubling velocity increases kinetic energy by a factor of __________.
4
The average male brain weighs approximately __________ grams.
1400
Examples of explosives include __________ and __________.
TNT, TNB
Heating a metal generally causes its density to __________.
Decrease
Water drops maintain their shape due to __________ tension.
Surface
Quinine is a __________ derived chemical.
Plant
The part of a neuron that receives signals is called __________.
Dendrites
Short-sightedness is caused by an __________ eyeball.
Elongated
Electrical energy is used for __________, __________, and work.
Heat, Light
Pneumonia affects the __________.
Lungs
The chemical formula of glass is approximately __________.
SiO2
Mammals evolved from __________.
Reptiles
Blood circulation was discovered by __________.
William Harvey
Osmosis affects __________ pressure.
Blood
The chemical formula for calcium hydroxide is __________.
Ca(OH)2
Frictional force causes __________ in vehicles.
Heat
Malaria is caused by a __________.
Protozoa
An example of an acid is __________.
H2SO4 (Sulfuric acid)
Sound intensity is measured in __________.
Decibels
Water gas has the chemical formula __________.
CO + H2 (mixture)
The gas in soda water is __________.
Carbon dioxide (CO2)
Ampicillin is a type of __________.
Antibiotic
The __________ bone supports the tongue.
Hyoid
The fourth state of matter is __________.
Plasma
The force attracting objects toward Earth is called __________.
Gravity
Vitamin D is found in __________ milk.
Cow
The human body converts chemical energy into __________ energy.
Mechanical
The frequency of Indian electricity is __________ Hertz.
50
Leukaemia is a disease affecting __________ cells.
Blood
Zero gravity is experienced at the __________ of the Earth.
Centre
Enzymes are made of __________.
Proteins
A permanent magnet is usually made of __________.
Steel
A compound microscope uses __________ lenses.
Multiple
The tooth with three roots is called a __________.
Molar
Starch test uses __________ as reagent.
Iodine
LPG gas mainly consists of __________, __________, and isobutane.
Propane, Butane
The chemical formula of ozone is __________.
O3
1 Newton equals __________ dynes.
10^5
Fehling's solution is used to test for __________.
Sugar
The formula for work is __________.
W = F × S
Copper is an excellent __________ conductor.
Electrical
The chemical name for vitamin C is __________.
Ascorbic acid