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Worksheetsclass 7 science quiz combo
Total questions: 21
Worksheet time: 4mins
Speed of light in vacuum is-
300*10^6
300000*10^2
3*10^7
3*10^3
SI unit of force is-
dyne
joule
kelvin
newton
Which part of a hurricane features clear sky?
calm zone
center of centrifuge
Indot
none of these
Which mirror can form a real image
convex lens
concave lens
convex mirror
concave mirror
Which of the following option are not CGS unit-
biot
dyne
erg
hz
Some definite pitches can be also called
tone
beat
intensity
none of these
Which of the following is a mechanical wave
Sound
vibration of glass
seismic waves
all of the above
NaHCO3+CH3COOH gives us how many products
1
2
3
4
Is LiOH an alkali?
yes
no
insufficient data
Evaporation is a (a) process in terms of heat.
Baked Bricks are made out of
hard soil
sedimented soil
laterite
clayey
Size of clay particles is
less than 2 micro meter in diameter
less than 0.02 nano meter in diameter
less than 0.002 mm
in diameter
all of these
neutrons were discovered by
Ernest Rutherford
J.J.Thomson
James Chadwick
none of these
The part of our auditory system which converts sound waves into electrical signal is
hammer
nerves
ear drum
cochlea
Under which of the following categories a fungi lies
Symbiotic
Saprophytic
parasitic
all of these
Site of exchange of gases in an insect is
spiracles
tracheal system
alveoli
bronchus
which of the following parts aren't related to sexual reproduction in plants
Ovum
Zygote
Thalamus
Anther
which part of human circulatory system is responsible for delivering oxygenated blood to heart
pulmonary artery
aorta
venacava
pulmonary vein
Which blood vessel has valves in it
artery
vein
cappilaries
all of these
Write correct path for blood flow starting from deoxygenated blood in human body.
Vena cava>> Right Atrium>> Left Ventricle >>
Superior Vena Cava
Vena cava>> Left Atrium>> Left Ventricle >>
Pulmonary Artery
Vena cava>> Right Atrium>> Right Ventricle >>
Pulmonary Vein
Inferior Vena cava>> Right Atrium>> Left Ventricle >>
Superior Vena Cava
Who invented stethoscope(first)
Issac Newton
Rene Laennec
Hans Lipperhey
Lyman Spitzer
