Skip to content
MCQtimes.com
GK
Pakistan Studies
Current Affairs
Islamic Studies
English
MCQtimes.com
Toggle Menu
General Science
Home
/
General Science
- Page 130
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
Show/Hide Answers
Physical and Chemical Changes
‘Methane’ is an example of
carbohydrates
hydrocarbons
alcohols
alkenes
Author:
rikazzz
Comment
Sound Waves
The lowest level of frequency a human ear can detect, is
2 Hz
20 Hz
20kHz
2kHz
Author:
rikazzz
Comment
Electric Circuits and Currents
Electricity meter records the amount of
used power
used electricity
used resistance
units
Author:
rikazzz
Comment
Sound Waves
The microphone changes the sound waves into
mechanical signals
electrical signals
light signals
wave signals
Author:
rikazzz
Comment
Sound Waves
When the hand bell stimulates air particles,
temperature increases
pressure increases in the air
both temperature and pressure decreases in the air
humidity of air keeps on increasing and decreasing
Author:
rikazzz
Comment
Elements and Compounds
‘Water’ is a
element
compound
mixture
solute
Author:
rikazzz
Comment
Mixtures
To separate different constituents with different boiling points into fractions there is use of
fractioning column
fractioning tower
fractioning box
both a and b
Author:
rikazzz
Comment
Solutions
If carbon dioxide is passed through limewater it will form
white precipitate
white smoke
acid rain
blue flame
Author:
rikazzz
Comment
Feeding Relationships and Environment
Fish have gills to absorb
water
carbon dioxide
aquatic plant waste
oxygen
Author:
rikazzz
Comment
Electric Circuits and Currents
Electroplating is used for objects which are likely to
corrode
get dull
get weak
get corrosive
Author:
rikazzz
Comment
Page navigation
Previous Page
Previous
1
…
128
129
130
131
132
…
395
Next Page
Next
Go to Page
Light
Dark
GK
Pakistan Studies
Current Affairs
Islamic Studies
English