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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
Show/Hide Answers
Heat Transfer
Infected tissues are mostly
warmer than normal ones
cooler than normal ones
big in size
irregular in shape
Author:
rikazzz
Comment
Mixtures
Constituents of an element can be separated through
experiment
physical processes
physical method
physical means
Author:
rikazzz
Comment
Transportation in Plants
During respiration, oxygen is
given out
taken in
exchanged
transferred to roots
Author:
rikazzz
Comment
Feeding Relationships and Environment
As the winter approaches, many plants
die
wilt
refresh
get dormant
Author:
rikazzz
Comment
Human Transport System
The number of red blood cells that die every day is
100 thousand
200 thousands
100 million
200 million
Author:
rikazzz
Comment
Investigating Space
Ancient people believed that constellations were
useless
useful
special
galaxies
Author:
rikazzz
Comment
Investigating Space
The three shapes of the galaxies are
spiral, regular and irregular
spiral, elliptical and regular
spiral, elliptical and irregular
elliptical, regular and irregular
Author:
rikazzz
Comment
Atoms and Atom Model
If atom would have been enlarged to a football ground size, the nucleus would be the size of
central spot
D in front of the goal post
half pitch
goal post
Author:
rikazzz
Comment
Atoms and Atom Model
The number of bonds an atom can form is called
power of atom
valency of atom
strength of atom
capacity of atom
Author:
rikazzz
Comment
Solutions
For removing paints and dyes ‘caustic potash’ is used. Its scientific name is
potassium hydroxide
sodium hydroxide
magnesium carbonate
magnesium hydroxide
Author:
rikazzz
Comment
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