General Science

Electric Circuits and Currents
Most electric bulbs have a coil of thin tungsten wire known as
coil
filament
spring
terminal
Author: rikazzz Comment
Heat Transfer
If atmosphere doesn’t act like greenhouse, the temperature of earth would become
too pleasant to enjoy
too cold to survive
too hot to survive
too terrible to survive
Author: rikazzz Comment
Respiration and Food Energy
In respiration the raw products are
oxygen and carbon
oxygen and food
oxygen and glucose
food and carbon
Author: rikazzz Comment
Importance of Water
On earth percentage of fresh water is
3%
5%
1%
2%
Author: rikazzz Comment
Physical and Chemical Changes
For security and military purpose, ammonia is used in
explosives
bullets
flash bangs
tear gas shells
Author: rikazzz Comment
Reproduction in Plants
When embryo starts to grow, the endosperm provides it with
water
oxygen
carbon dioxide
food
Author: rikazzz Comment
Investigating Space
Small radio telescopes are used instead
enormous dish aerial
reflecting telescopes
refracting telescopes
small dish aerial telescopes
Author: rikazzz Comment
Mixtures
Alloys are impure and they make elements more
strong
hard
soft
both a and b
Author: rikazzz Comment
Solutions
The dyes of ‘litmus’ are made from
rhizoids
lichens
mycorrhizae
algae
Author: rikazzz Comment
Sound Waves
In concert halls, soft materials and carpets are used to
increase sound waves
absorb sound waves
retract sound waves
refract sound waves
Author: rikazzz Comment

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