EDS Flashcards
(115 cards)
1
Q
Average adult pulse rate
A
72-80
2
Q
Ozone is concentrated in which layer
A
Stratosphere. Planes fly in this layer too.
3
Q
Cow’s milk contains how much water
A
80 %
4
Q
Colors in TV
A
Red, Green, Blue
5
Q
Primary Colors
A
Red, Blue, Yellow
6
Q
Water has a maximum density at
A
4-degree Centigrade
7
Q
Water vapor beyond dew point results in
A
Condensation
8
Q
The principal chemical substance present in Bones and Teeth
A
Calcium and Phosphate
9
Q
The working principle of Washing Machine
A
Centrifugation
10
Q
Blood is
A
90 percent water
11
Q
Most abundant element in Earth’s crust
A
- Oxygen 2. Silicon 3. Auminium (the most abundant metal found)
12
Q
Does water expand or contract on freezing ?
A
It expands
13
Q
A woman’s voice has
A
Higher frequency and lower pitch
14
Q
As the temprature of ice rises, it metls and its density
A
Increases
15
Q
Water is a universal solvent for what kind of reactions
A
Biochemical
16
Q
Which gases do divers use underwater to create and artificial atmosphere
A
Oxygen and Helium
17
Q
Universal donor blood group
A
Type O
18
Q
Universal recipient blood group
A
Type AB
19
Q
Biogas is the common name of
A
Natural gas
20
Q
Speed of sound is
A
~ 343 meters per second
21
Q
Radio waves are beneficial for
A
sending waves at large distance
22
Q
Video camera converts
A
picture into electric signals
23
Q
Which gland maintains body temperature?
A
Pituitary Gland; it is called the master gland.
24
Q
CD uses
A
laser beam technology
25
Which acid is used in car batteries
Sulphuric Acid
26
The heart of norman adult human being weighs
300 gms
27
The brain of norman adult human being weighs
1300-1400 gms
28
Haemoglobin is a complex protein rich in
Iron
29
Average life of RBCs
120 days
30
Dynamo is a device that converts
Mechanical into electrical energy
31
Total Internal Reflection occurs when
The light travels from denser to rarer medium
| Mirage occurs due to TIR
32
Dead Red Blood Cells go to
Spleen (it is kidney in some sources)
| Spleen is also called the graveyard of RBCs.
33
Fat is digested in
Small Intestine
34
Photosynthesis involves
Reduction of CO2, Oxidation of H20, and Release of O2
35
What is used as food preservative?
Sodium Benzoate
36
Outermost layer of skin is called
Epidermis
37
High altitude has
lower pressure
38
pH of Human Blood
7.35 - 7.45
39
Diamonds have
high refractive index
40
Which Vitamins are water soluble
B and C
41
Which Vitamins are water insoluble
A and D
42
Washing Soda
Sodium Carbonate (Na2CO3)
43
Baking Soda
Sodium BiCarbonate (NaHCO3)
44
Pyrometer measures
very high tempratures
45
Which layer of atmosphere makes radio trasmission possible
Ionosphere
46
Which device measures very small currents
Galvanometer
47
Cooking gas is a mixture of
Butane and Propane
48
Stainless Steel is a mixture of
Chromium, Iron, and Carbon
49
Dates of Equinox
21 March and 23 September
50
Largest organ in the human body
Skin
51
Largest internal organ in the human body
Liver. It is also the biggest gland.
52
Which part of the eye has no blood supply?
Cornea. This is why it can be donated after death.
53
How many grams are there in one carat?
0.200 grams
54
What is used for ripening of fruits
Ethylene
55
RBCs have no
nucleas
56
Most abundant element in human body
Oxygen
57
Which organ purifies blood?
Kidney
58
Oldest known element
Copper
59
Distance between sun and earth is shortest in which month
January
60
Sound travels the fastest in
Glass
61
Egg shell is made up of
Calcium Carbonate
62
Where is image formed in the eye
Retina
63
Bile is secreted by
Liver
64
Insulin is secreted by
Pancreas
65
The blood groups were discovered by
Karl Landsteiner
66
Hair, Finger Nails, etc. are all made up of
Protein
67
Purest form of iron is
Wrought Iron
68
Ruby is an oxide of
Aluminium
69
Light switches in our homes are connected in which series
Parallel
70
Total volume of blood in human
5-6 litres
71
Moonson is caused by
Seasonal reversal of winds
72
Father of Botany
Theophrastus
73
Father of Zoology
Aristotle
74
Father of Taxonomy
Carolus Linnaeus
75
Father of Physics
Einstein
76
Father of Chemistry
Antoine Lavoisier
77
Father of Medicine
Hippocrates
78
Father of Psychology
Sigmund Freud
79
Solar Eclipse occurs in
Full Moon
80
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.
81
What happens in Hepatitis
Liver Inflammation
82
What is Aqua Regia
It is a mixture that can dissolve Platinum
83
Which element plays a vital role in blood clotting
Calcium
84
VHF has
shorter wavelength
85
Battery converts
chemical energy into electrical energy
86
The fluid part of the blood is called
Plasma
87
Father of Geometry
Euclid
88
Smallest unit of heredity
Gene
89
Energy stored in a dam
Potential
90
Which planet has the longest day
Venus. Jupiter has the shortest.
91
An atom is
the smallest particle of an element which can undergo a chemical reaction
92
Mercury is also known as
Quick Silver
93
Plutonium is
produced artificially
94
Which is not a water-borne disease
Influenza
95
Fish is
not a mammal
96
Which gas do plants give out during Photosynthesis
Oxygen
97
Which element has highest melting point
Tungsten
98
Epsom Salt is
Magnesium Sulphate
99
Gypsum Salt is
Calcium Sulfate
100
Which gas is radioactive
Radon
101
What is called artificial silk
Rayon
102
Columns and Rows in Periodic Table are called
Period and Group respectively
| 18 columns and 7 rows in total
103
Which gas is called stranger gas
Xenon
104
WBCs are also called
soldiers of the body
105
Layers of Atmosphere
Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere
These are divided based on Air Temperature
106
Temperature on Sun
5778 Kelvin
107
How old is earth
4.543 billion years
108
The freezing point of water & melting point of ice are same
0 degree
109
Boiling of an egg is what kind of change
Chemical
110
Largest galaxy in the universe
Spiral galaxy
111
In what time does the sun complete its revolution around the galaxy
230 million years
112
Which planet orbits the sun in the clockwise direction
Venus
113
Perhilion
When earth is at its closest to Sun
| Aphelion is its opposite
114
International Date Line passes through which Strait
Bering Strait
115
Evaporation from ice and snow is called
Sublimation. It is a process in which solid directly converts to gas.
