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Published on: 05/12/2020
10th Standard Science English Medium Free Online Test Creative 1 Mark Questions Part - Two
Download Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
The organic acid present in Vinegar is ___________ acid.
methanoic
ethanoic
Propanoic
Butanoic
2.
General molecular formula of alkynes is ___________.
CnH2n+2
CnH2n
CnH2-n-2
CnH2n+1
3.
Neurons do not have the ability to _____
multiply
divide
regenerate
receive
4.
Pick out
Compound + element ⟶ compound type of combination reaction
PCl5 ⟶ PCl3 + Cl2
Mg + O2 ⟶ 2MgO
PCl3 + Cl2 ⟶ PCl5
2Na + Cl2 ⟶ 2NaCl
5.
At constant temperature volume is inversely proportional to pressure of a gas is known as
Boyle's law
Charles
Avogadro
None
6.
_________ are used to control the chain reaction.
Control rods
Moderators
Coolants
Neutron source
7.
A chain reaction is continuous due to
large mass defect
large energy
production of more neutrons in fission
None of these
8.
40 g of sodium chloride in 100 g of water at 250 C forms ________ solution.
Super saturated
Unsaturated
Saturated
Both (a) and (b)
9.
10.
A star appears twinkling in the sky because of ______ by the atmosphere.
scattering of light
reflection of light
refraction of light
both a and b
11.
Sound waves in air are ________.
Transverse
longitudinal
both a & b
none
12.
Salt added to pickles brings about__________
diffusion
plasmolysis
imbibition
translocation
13.
Atomicity of Sulphur is
1
2
4
8
14.
Egg cells of Rabbit are released in_________
uterus
vagina
fallopian tube
ovary
15.
In which one of the following heating effect the current is undesirable?
electric iron
electric motor
fuse wire
electric bulb
16.
17.
The relative atomic masses of many elements are not whole number because
they are not determined accurately
they exist as isotopes
due to impurities
atoms ionize
18.
The resistance of a conductor is inversely proportional to its _______.
Volt
Length
Area
None of the above
19.
The physical quantity which is the measure of inertia is _______
density
weight
force
mass
1.
(b)
ethanoic
2.
(c)
CnH2-n-2
3.
(b)
divide
4.
(c)
PCl3 + Cl2 ⟶ PCl5
5.
(a)
Boyle's law
6.
(a)
Control rods
7.
(c)
production of more neutrons in fission
8.
(a)
Super saturated
9.
(d)
10.
(c)
refraction of light
11.
(b)
longitudinal
12.
(b)
plasmolysis
13.
(d)
8
14.
(c)
fallopian tube
15.
(b)
electric motor
16.
(b)
17.
(b)
they exist as isotopes
18.
(c)
Area
19.
(d)
mass
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
