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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
Importance of Water
In our body, percentage of water is
0.5
0.6
0.7
0.9
Author:
rikazzz
Comment
Respiration and Food Energy
Every single cell of the body requires
oxygen only
food only
carbon dioxide and food
oxygen and food
Author:
rikazzz
Comment
Feeding Relationships and Environment
To find water, cactus plants have
thick roots
hairy roots
long roots
thick shoots
Author:
rikazzz
Comment
Investigating Space
When you look up into the sky, you are looking out into
atmosphere
space
galaxies
stars
Author:
rikazzz
Comment
Atoms and Atom Model
If you combine atoms of sodium and chlorine, they will form
chlorine sodium
sodium chloride
sodium ion
chloride ion
Author:
rikazzz
Comment
Investigating Space
In 20th centaury, it was thought that the milky way was the only galaxy in
universe
sky
world
globe
Author:
rikazzz
Comment
Sound Waves
If frequency increases,
wavelength also increases
amplitude also increases
number of waves also increases
amplitude decreases
Author:
rikazzz
Comment
Electric Circuits and Currents
If two bulbs are attached in parallel circuit, they would glow
brightly
dimly
equally
continuously
Author:
rikazzz
Comment
Reproduction in Plants
If a piece of onion is planted in a soil, it will turn into a plant with multiple onions under it, this asexual reproduction is called
tuber
runner
rooting branch
bulb and corms
Author:
rikazzz
Comment
Solutions
Vinegar contains an acid “acetic acid” which has other name
ethanoic acid
acetic acid
citric acid
carbonic acid
Author:
rikazzz
Comment
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