General Science for Class 7

Heat Transfer
All heat ‘insulators’ are
metalloids
transition metals
non metals
metals
Author: rikazzz Comment
Electric Circuits and Currents
Ammeter can be connected
before the cell or battery
before the bulb
after the bulb
anywhere
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Elements and Compounds
‘Ag’ is the symbol of element
silver
gold
iron
copper
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Electric Circuits and Currents
The larger the current, the
greater the flow of electrons
lesser the flow of electrons
greater the flow of protons
lesser the flow of protons
Author: rikazzz Comment
Respiration and Food Energy
‘Nicotine’ is a drug which causes
asthma
dizziness
cancer
addiction
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Investigating Space
The full form of “SDO” is
Sun Determining Observatory
Solar Determining Objective
Solar Dynamic Objective
Solar Dynamics Laboratory
Author: rikazzz Comment
Electric Circuits and Currents
An example in which light emitting diodes are used, is
calculator
hard drive
optical drive
analog watch
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Atoms and Atom Model
If we remove electron from the outer shell, the atom turns
negative
positive
neutral
anti negative
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Physical and Chemical Changes
John Hyatt’s invention was about
cellulose in wood
soil particles under plant roots
plant stem
barks of wood
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Electric Circuits and Currents
In a circuit when an electric current flows in a continuous path, it is called
close circuit
open circuit
hot circuit
blocked circuit
Author: rikazzz Comment

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