WorksheetsFinal term
Total questions: 20
Worksheet time: 12mins
Any thing that travels faster than the speed of sound is called ______
Supersamic sound
Altrasonic sound
Supersonic sound
Infrasonic sound
The speed of sound through steel is_____
1498m/s
340m/s
5180m/s
658m/s
One complete to and fro motion is called_____
Pitch
Oscillation
Amplitude
Hertz
The S.I unit for frequency of sound is ______
Decibals
Hertz
Pitch
None of these
The voice box in human beings is called
(a)
Sound cannot travel through _______
Vaccum
Air
Freezer
Hot air balloon 🎈
Which of the following conducts electricity ?
Rain water
Tap water
Sea water
All of these
LED means
Light emittey diode
Light emitting diode
Both a and b
None of these
Cathode means ___ charge electrode.
Positively
Negativity
Pure water or distilled water is a ______ conductor
Bad
Good
What is this
Periscope
Kaleidoscope
Telescope
Which constellation is this
Leo
Orion
Ursa major
Other
Which cell is this
Ovum
Muscle cells
Sperm
Gestation period ?
7 months
4 months
15 months
9 months
Zygote is the ______ cell of the body of an organism .
Eighth
First
Second
Jumble word:- RFEIILTTASNO
(a)
Sea water is the good conductor of electricity.
True
False
Reason / assertion
∆ A-Asteroids are a small number of objects located in the cast space.
R - They occur between Mars and Jupiter called the asteroid belt .
A-Assertion and reason both are correct and r is the correct reason of a
B-Assertion and reason both are correct but r is the not the correct reason of a
C-A is true but r is false
D - A is false but r is true
Uranus has______satellites.
6
27
14
76
POLLUTANTS AFFECTS BOTH LIVING AND NON LIVING THINGS TRUE OR FALSE
(a)
