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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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Dispersion of Light
When light bends, it
causes tricks in the air
causes tricks on our eyes
causes tricks on our brain
damages our eyes
Author:
rikazzz
Comment
Feeding Relationships and Environment
Swollen stem of cactus is important to
absorb more oxygen
absorb more carbon dioxide
absorb more water
absorb more sunlight
Author:
rikazzz
Comment
Electric Circuits and Currents
Resistance is the friction in an electrical circuit that controls the flow of
current
voltage
light
electricity
Author:
rikazzz
Comment
Electric Circuits and Currents
The electrons move from
positive to negative terminal
negative to positive terminal
both a and b
positive to positive terminal
Author:
rikazzz
Comment
Physical and Chemical Changes
To make PVC, molecules of vinyl chloride are
condensed
further heated
treated with ammonia
gathered to form a chain
Author:
rikazzz
Comment
Physical and Chemical Changes
The texture of ‘polythene’ is
hard and rough
hard and smooth
soft and rough
soft and smooth
Author:
rikazzz
Comment
Dispersion of Light
A colored film that fits over a lamp or camera to change the color of the light passing through it, is known as
effecter
film
filter
effect
Author:
rikazzz
Comment
Investigating Space
‘Ulysses’ was expected to last only for
3 years
5 years
7 years
9 years
Author:
rikazzz
Comment
Dispersion of Light
The angle of incidence when it meets the next boundary while leaving the object, is
greater than zero
equal to zero
less than zero
perpendicular to the surface of object
Author:
rikazzz
Comment
Solutions
The antacids that are used for treating indigestion contain
potassium hydroxide
sodium hydroxide
magnesium carbonate
magnesium hydroxide
Author:
rikazzz
Comment
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