(CAR) EDS - Randomn Flashcards
Important stimulant in tea leaves is
Caffeine
Dolly is the name of
The First cloned sheep
Which part of the camera is analogue to the retina in the human eye
Film
When a person enters a dark room from bright light he is not able to see clearl for a little while because the
The Iris is unable to dilate the pupil immediatel
What is the Average Adult Pulse Rate?
72-80
The beautiful colour patterns exhibited b a peacock in its tail feathers are due to
Selective absorption of light
A lake starts freezing because of the cold atmosphere. It will first freeze
at the top of the surface
The sun appears red at sunrise and sunset while it appears while at noon, because
Coz of scattering of light due to dust particle and air molecules
An iceberg is floating in sea. How much of its mass will remain above the surface of water?
one-tenth
Most of the Ozone in the atmosphere is concetrated in the
Stratosphere
The Cow’s milk contain ____ amount of water in terms of percentage
80%
TV tansmission cannot cover the large area because
The shape of the earth is spherical
Bats can also fly in the dark coz
They are capable of taking the help of ULTRASONIC WAVES
Stealth Technology?
A coating which reduces the visibility of an aircraft on a radar
The rear view mirror of a motor vehicle is
convex
Scalding with steam is more severe than scalding by boiling water coz
Steam contians more energy than boiling water.
In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. this process termed as
Galvanisaton
The absorption of ink by blotting paper involves
Capillary action phenomenon
A satellite moving around the earth with a uniform speed has
Unifrom Acceleration
For being able to see three dimensional pictures we have to use
An Epidiascope
Water has maximum density at
4 degree Celcius
The Theory of Expanding Universe was first propounded by
Edwin Powell Hubble
Instrument which detects thae purity of water
Lactometer
Water vapour beyond the dew point result in
Condensation
The main chemical substance present in the bones and teeth of animals is
Calcium Phosphate
The major component of honey is
Glucose
The working principle of washing machine is
Centrifugation
Radioactivity was first discovered by
Henery Becquerel
Though it was Henri Becquerel that discovered radioactivity, it was Marie Curie who coined the term
Gas used in baloons and airships
Helium
The approximate intensity of the sound which can cause damage to the ear drum is
100 dB
Fuse wire is made up of
63% tin and 37% lead
____ is the main culprit in the thinning of Ozone layer in the earth’s stratosphere
Nitrogen Oxide
During a total solar eclipse there is most likely to be
A decrease in the rate of photosynthesis
Heating element of an electric Heater is made up of
Nichrome
Acid rain contains high level of
Sulphuric and nitric acids
____ give the highest energy per gram
Fats
A women’s voice is shriller than a man’s due to
Higher Frequency
___ gas is used in the preparation of soft drinks
Carbon Dioxide
In blood, the percentage of water is
90%
Plasma, which is 92 percent water, constitutes 55 percent of blood volume.
The volume percentage of nitrogen in air is
78%
Nitrogen occur is plants and animals in the form of
Protiens
Air Contains volume of carbon dioxide approx
0.03%
____ and ___ are used by divers as an artificial atmosphere
Helium and Oxygen
The second most abundant metal found in the earth’s crust is
Iron
_____ is involved in blood clotting
Calcium
____ is used for water purification
Chlorine
Deficiency of chloride causes the impaired growth in
Infants
The Human Blood Divided into ___ groups
There are four principal types: A, B, AB, and O.
____ type of blood of individuals are known as universal donor
Type O
____ type of blood of individuals are universal recipients
Type AB
A man can survive without food for at least
ONE MONTH
One gram of carbohydrates give energy of the amount
4.1 K calories
