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General Science
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Biological Sciences
50
Modern Materials
21
Atomic Structure
87
Energy Resources
43
Elements and Substances
76
Plant Photosynthesis and Respiration
52
Space and Solar System
230
General Science for Class 6
1155
General Science for Class 7
2197
General Science for Class 8
0
Basics of Electricity
28
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Atoms and Atom Model
Each collision of Uranium-238 with neutrons releases
energy
radiations
light
waves
Author:
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Electric Circuits and Currents
A material which loses electrons, becomes
positively charged
negatively charged
neutral
both positively and negatively charged
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Atoms and Atom Model
When the transfer of electrons takes place, the sodium and chlorine atoms turn into
ions
electrons and protons
positrons and negatrons
neutrons and photons
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Physical and Chemical Changes
Respiration is a
physical process
chemical process
biological process
temporary process
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Human Transport System
The hormone which converts glucose to glycogen is known as
glucagon
insulin
adrenaline
blood
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Human Transport System
The cells that make the color of blood “Red” are known as
white blood cells
platelets
red blood cells
antigens
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Feeding Relationships and Environment
When plants and animals die, they are decomposed by
scavengers
detritivores
primary consumers
primary producers
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Dispersion of Light
The use of total internal ‘reflection’ of light is to
shape diamonds
straighten mirrors
check the surface of glass
check the density of liquids
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Transportation in Plants
Most of the mineral salts in soil enter the roots by the process of
diffusion
osmosis
active transport
respiration
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Importance of Water
The unwanted substance of water may be harmful for
plants
animals
plants, animals and people
plants and people
Author:
rikazzz
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