General Science for Class 7

Transportation in Plants
‘Phloem’ vessels contain
living cells
dead cells
arranged but dead cells
disorganized but living cells
Author: rikazzz Comment
Sound Waves
When sound travels, it
absorbs energy
gains energy
loses energy
transfers energy
Author: rikazzz Comment
Investigating Space
After every eleven years, the rate of sunspots on the surface of sun is
decreasing
increasing
lowering
isolating
Author: rikazzz Comment
Electric Circuits and Currents
The negative and positive regions of a battery are known as
ridges
chargers
terminals
electrodes
Author: rikazzz Comment
Reproduction in Plants
In most species of plants, food is stored in
radicle
plumule
cotyledon
zygote
Author: rikazzz Comment
Investigating Space
Stars produce
light only
heat and light
heat, light and sound
heat, light, sound and radiations
Author: rikazzz Comment
Dispersion of Light
The critical angle for diamond is
20 degree
22 degree
24 degree
26 degree
Author: rikazzz Comment
Importance of Water
Human feces stimulates the growth of
algae
fungi
bacteria
viruses
Author: rikazzz Comment
Energy Resources
Almost every resource of earth’s energy can be traced back to
sun
moon
earth
plants
Author: rikazzz Comment
Heat Transfer
When air on the land is warm, the air on the sea is
also warm
cool
normal
both b and c
Author: rikazzz Comment

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