General Science for Class 7

Investigating Space
Small mass is incredibly
light and cold
light and hot
dense and cold
dense and hot
Author: rikazzz Comment
Sound Waves
The length of air cutting is changed by
valves
fingers
valves and fingers
hands
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Heat Transfer
Heat is a form of
energy
force
power
resistance
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Elements and Compounds
Water is broken down into small units by passing it through
heat
electricity
magnet
current
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Physical and Chemical Changes
Oils is separated from crude oil through the process of
simple distillation
fractional distillation
filtration
vaporization
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Investigating Space
The spiral shaped system is known as
solar system
galaxy
cluster
comet
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Importance of Water
Trachoma is caused due to the presence of
insects
bacteria
viruses
parasites
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Elements and Compounds
The total number of elements is
116
92
140
98
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Investigating Space
The Sun would grow up to
10 times
100 times
1000 times
10000 times
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Transportation in Plants
The process in which gases move in and out of a plant is called
diffusion
osmosis
active transport
suction
Author: rikazzz Comment

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