EDS Flashcards
Average adult pulse rate
72-80
Ozone is concentrated in which layer
Stratosphere. Planes fly in this layer too.
Cow’s milk contains how much water
80 %
Colors in TV
Red, Green, Blue
Primary Colors
Red, Blue, Yellow
Water has a maximum density at
4-degree Centigrade
Water vapor beyond dew point results in
Condensation
The principal chemical substance present in Bones and Teeth
Calcium and Phosphate
The working principle of Washing Machine
Centrifugation
Blood is
90 percent water
Most abundant element in Earth’s crust
- Oxygen 2. Silicon 3. Auminium (the most abundant metal found)
Does water expand or contract on freezing ?
It expands
A woman’s voice has
Higher frequency and lower pitch
As the temprature of ice rises, it metls and its density
Increases
Water is a universal solvent for what kind of reactions
Biochemical
Which gases do divers use underwater to create and artificial atmosphere
Oxygen and Helium
Universal donor blood group
Type O
Universal recipient blood group
Type AB
Biogas is the common name of
Natural gas
Speed of sound is
~ 343 meters per second
Radio waves are beneficial for
sending waves at large distance
Video camera converts
picture into electric signals
Which gland maintains body temperature?
Pituitary Gland; it is called the master gland.
CD uses
laser beam technology
Which acid is used in car batteries
Sulphuric Acid
The heart of norman adult human being weighs
300 gms
The brain of norman adult human being weighs
1300-1400 gms
Haemoglobin is a complex protein rich in
Iron
Average life of RBCs
120 days
Dynamo is a device that converts
Mechanical into electrical energy
Total Internal Reflection occurs when
The light travels from denser to rarer medium
Mirage occurs due to TIR
Dead Red Blood Cells go to
Spleen (it is kidney in some sources)
Spleen is also called the graveyard of RBCs.
Fat is digested in
Small Intestine
Photosynthesis involves
Reduction of CO2, Oxidation of H20, and Release of O2
What is used as food preservative?
Sodium Benzoate
Outermost layer of skin is called
Epidermis
High altitude has
lower pressure
pH of Human Blood
7.35 - 7.45
Diamonds have
high refractive index
Which Vitamins are water soluble
B and C
Which Vitamins are water insoluble
A and D
Washing Soda
Sodium Carbonate (Na2CO3)
Baking Soda
Sodium BiCarbonate (NaHCO3)
Pyrometer measures
very high tempratures
Which layer of atmosphere makes radio trasmission possible
Ionosphere
Which device measures very small currents
Galvanometer
Cooking gas is a mixture of
Butane and Propane
Stainless Steel is a mixture of
Chromium, Iron, and Carbon
Dates of Equinox
21 March and 23 September
Largest organ in the human body
Skin
Largest internal organ in the human body
Liver. It is also the biggest gland.
Which part of the eye has no blood supply?
Cornea. This is why it can be donated after death.
How many grams are there in one carat?
0.200 grams
What is used for ripening of fruits
Ethylene
RBCs have no
nucleas
Most abundant element in human body
Oxygen
Which organ purifies blood?
Kidney
Oldest known element
Copper
Distance between sun and earth is shortest in which month
January
Sound travels the fastest in
Glass
Egg shell is made up of
Calcium Carbonate
Where is image formed in the eye
Retina
Bile is secreted by
Liver
Insulin is secreted by
Pancreas
The blood groups were discovered by
Karl Landsteiner
Hair, Finger Nails, etc. are all made up of
Protein
Purest form of iron is
Wrought Iron
Ruby is an oxide of
Aluminium
Light switches in our homes are connected in which series
Parallel
Total volume of blood in human
5-6 litres
Moonson is caused by
Seasonal reversal of winds
Father of Botany
Theophrastus
Father of Zoology
Aristotle
Father of Taxonomy
Carolus Linnaeus
Father of Physics
Einstein
Father of Chemistry
Antoine Lavoisier
Father of Medicine
Hippocrates
Father of Psychology
Sigmund Freud
Solar Eclipse occurs in
Full Moon
Difference between Magma and Lava
Magma is molten rock present underneath the earth’s surface, whereas whenever Magma gets over the surface, it is calle Lava.
What happens in Hepatitis
Liver Inflammation
What is Aqua Regia
It is a mixture that can dissolve Platinum
Which element plays a vital role in blood clotting
Calcium
VHF has
shorter wavelength
Battery converts
chemical energy into electrical energy
The fluid part of the blood is called
Plasma
Father of Geometry
Euclid
Smallest unit of heredity
Gene
Energy stored in a dam
Potential
Which planet has the longest day
Venus. Jupiter has the shortest.
An atom is
the smallest particle of an element which can undergo a chemical reaction
Mercury is also known as
Quick Silver
Plutonium is
produced artificially
Which is not a water-borne disease
Influenza
Fish is
not a mammal
Which gas do plants give out during Photosynthesis
Oxygen
Which element has highest melting point
Tungsten
Epsom Salt is
Magnesium Sulphate
Gypsum Salt is
Calcium Sulfate
Which gas is radioactive
Radon
What is called artificial silk
Rayon
Columns and Rows in Periodic Table are called
Period and Group respectively
18 columns and 7 rows in total
Which gas is called stranger gas
Xenon
WBCs are also called
soldiers of the body
Layers of Atmosphere
Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere
These are divided based on Air Temperature
Temperature on Sun
5778 Kelvin
How old is earth
4.543 billion years
The freezing point of water & melting point of ice are same
0 degree
Boiling of an egg is what kind of change
Chemical
Largest galaxy in the universe
Spiral galaxy
In what time does the sun complete its revolution around the galaxy
230 million years
Which planet orbits the sun in the clockwise direction
Venus
Perhilion
When earth is at its closest to Sun
Aphelion is its opposite
International Date Line passes through which Strait
Bering Strait
Evaporation from ice and snow is called
Sublimation. It is a process in which solid directly converts to gas.
