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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
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Elements and Compounds
If 1g of hydrogen is mixed with 8g of oxygen, the produced water will be
9g
7g
8g
1g
Author:
rikazzz
Comment
Investigating Space
Astronomers can pick up radio waves from galaxies that are
millions of kilometers away
millions of light years away
thousands of kilometers away
hundreds of light years away
Author:
rikazzz
Comment
Transportation in Plants
As the light intensity increases the rate of transpiration is also
increased
decreased
remained same
remained unchanged
Author:
rikazzz
Comment
Particle Model of Matter
The physical properties of a solid depends upon discrete and
arrangement of small particles
freedom of motion of small particles
freedom of motion of big particles
both a and b
Author:
rikazzz
Comment
Electric Circuits and Currents
A diagram drawn by using symbols which represents electrical components is called
circuit diagram
current diagram
charges diagram
electric diagram
Author:
rikazzz
Comment
Transportation in Plants
The flow of water and mineral salts from roots to leaves by xylem is known as
translocation stream
transpiration stream
respiration stream
photo stream
Author:
rikazzz
Comment
Energy Resources
Modern wind turbines produce
heat
oil
gas
electricity
Author:
rikazzz
Comment
Electric Circuits and Currents
The simplest electrical circuit use
one wire
two wires
three wires
four wires
Author:
rikazzz
Comment
Dispersion of Light
If light enters the glass with an angle of 42 degree or greater, the light will
refract
refract more
reflect totally internally
refract totally internally
Author:
rikazzz
Comment
Transportation in Plants
The food is carried away from leaves to the other parts of plant by
dead cells of xylem
sieve tubes of phloem
companion cells of phloem
root pressure in xylem
Author:
rikazzz
Comment
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