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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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Importance of Water
Whether we obtain tap water or water from well, it originally comes from
sea
ocean
river
rain
Author:
rikazzz
Comment
Elements and Compounds
The formation of compounds involve
chemical reaction
physical reaction
evaporation
distillation
Author:
rikazzz
Comment
Importance of Water
The crops that need a lot of water are
rice and maize
wheat and maize
rice and wheat
maize and other grains
Author:
rikazzz
Comment
Sound Waves
Sound is measured by units that are called
Hertz (Hz)
Decibels (dB)
Meters (m)
Pascal (Pa)
Author:
rikazzz
Comment
Reproduction in Plants
In asexual reproduction, baby plants are
very different from their parent plants
exactly same as parent plant
50% like parent plant
80% like parent plant
Author:
rikazzz
Comment
Electric Circuits and Currents
When small hammer is attracted by electromagnet, the bell
sparks
vibrates
stops
strucks
Author:
rikazzz
Comment
Physical and Chemical Changes
The name of the oil from which ethene is obtained is
naphtha
kerosene
diesel
bitumen
Author:
rikazzz
Comment
Atoms and Atom Model
As compare to ionic compounds, covalent bond has
high melting but low boiling point
low melting but high boiling point
low melting and boiling point
high melting and boiling point
Author:
rikazzz
Comment
Human Transport System
Some types of white blood Cells also produce
antigens
antibodies
useful bacteria
useful viruses
Author:
rikazzz
Comment
Dispersion of Light
The light which is refracted the least, is
violet light
red light
blue light
orange light
Author:
rikazzz
Comment
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