10th Standard Syllabus & Materials
10th Standard
TN 10th Tamil நாகரிகம், நாடு, சமூகம் - கவிதை பேழை (செய்யுள்) -முத்தொள்ளாயிரம் Sample Question Papers Study Material - QB365 Set A
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TN 10th Tamil அறம்,தத்துவம், சிந்தனைகவிதை பேழை (செய்யுள்) -அக்கறை Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil உயிரின்ஓசை - துணைப்பாடம் -பிருமம் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil அறம், தத்துவம், சிந்தனை - கவிதை பேழை (செய்யுள்) -தேம்பாவணி * Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil கலை, அழகியல், புதுமை - உரைநடை உலகம் -பன்முகக் கலைஞர் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil மணற்கேணி - இலக்கணம் - இலக்கணம் -பொது Sample Question Papers Study Material - QB365 Set A
Published on: 05/12/2020
10th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 2
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.
SI unit of temperature is ______
K
°C
/°C
0F
2.
Graphite is used as a _________ in nuclear reactors.
moderator
coolant
detector
fuel
3.
Which of the following is used to detect the presence of block in blood vessels.
15P31
15P32
26Fe59
11Na24
4.
As compare to single lens, compound microscope gives ______ magnification
Smaller
Greater
No
Equal
5.
Sound waves do not travel through.
vacuum
solid
liquid
gases
6.
The image formation by spherical lenses is due to the phenomenon of
reflection
refraction
interference
dispersion
7.
The velocity of light is _______
3 x 10-8 ms-1
3 x 108 ms-1
3 x 108 km s-1
3 x 10-8 km s-1
8.
The velocity of sound is affected by
temperature
density
pressure
all the above
9.
The carbon content in wrought iron is _________
0.25 - 2%
0.25 - 17%
2 - 3.5%
3 - 4.5%
10.
The acid which makes iron passive is _______________
Conc. HCl
Cone. H2SO4
Cone. HNO3
Cone. HF
11.
What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water
2 g hydrogen and 32 g oxygen
2 g hydrogen and 16 g oxygen
4 g hydrogen and 32 g oxygen
4 g hydrogen and 14 g oxygen
12.
SI unit of impulse is
Ns
Ns2
kg ms-2
kg m2s-2
13.
Which of following relation is correct for voltage, work done and charge?
V = W x Q
W = V x Q
V = Q 1W
W = V / Q
14.
The resistance of a conductor directly proportional to
Length
Area
Volt
Current
15.
A force is applied by direct physical contact between two bodies is
Contact force
Non - contact force
Balanced force
Unbalanced force
16.
______ deals with the bodies which are at rest under the action of forces.
Statics
Kinematics
Dynamics
Mechanics
17.
Common energy source in village is
electricity
coal
biogas
wood and animal dung
18.
The loss of one or more chromosome in a ploidy is called_____________.
Tetraploidy
Aneuploidy
Euploidy
Polyploidy
19.
Which organ acts as both exocrine gland as well as endocrine gland
Pancreas
Kidney
Liver
Lungs
20.
Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.
chilli
maize
sugarcane
wheat
21.
Estrogen is secreted by
Anterior pituitary
Primary follicle
Graffian follicle
Graffian follicle
22.
Which nervous band connects the two cerebral hemispheres of brain?
thalamus
hypothalamus
corpus callosum
pons
23.
24.
Which of the following process requires energy?
Active transport
Diffusion
Osmosis
All of them
25.
The segments of leech are known as
Metameres (somites)
Proglottids
Strobila
All the above
26.
Which of the following is not an “element + element → compound” type reaction?
C(s) + O2(g) → CO2(g)
2K(s) + Br2(l) → 2KBr(s)
2CO(g) + O2(g) → 2CO2(g)
4Fe(s) + 3O2(g) → 2Fe2O3(s)
27.
A 25% alcohol solution means
25 ml alcohol in 100 ml of water
25 ml alcohol in 25 ml of water
25 ml alcohol in 75 ml of water
75 ml alcohol in 25 ml of water
28.
_____ is a relative periodic property.
atomic radii
ionic radii
electron affinity
electronegativity
29.
_____________ aprons are used to protect us from gamma radiations
Lead oxide
Iron
Lead
Aluminium
30.
TFM in soaps represents ___________ content in soap
mineral
vitamin
fatty acid
carbohydrate
31.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
speed
frequency
wavelength
none of these
32.
Which of the following represents 1 amu?
Mass of a C – 12 atom
Mass of a hydrogen atom
1/12th of the mass of a C – 12 atom
Mass of O – 16 atom
33.
In a simple circuit, why does the bulb glow when you close the switch?
The switch produces electricity
Closing the switch completes the circuit.
Closing the switch breaks the circuit.
The bulb is getting charged.
34.
Which of the following lens would you prefer to use while reading small letters found in a dictionary?
A convex lens of focal length 5 cm
A concave lens of focal length 5 cm
A convex lens of focal length 10 cm
A concave lens of focal length 10 cm
35.
1.
(a)
K
2.
(a)
moderator
3.
(d)
11Na24
4.
(b)
Greater
5.
(a)
vacuum
6.
(b)
refraction
7.
(b)
3 x 108 ms-1
8.
(d)
all the above
9.
(a)
0.25 - 2%
10.
(c)
Cone. HNO3
11.
(b)
2 g hydrogen and 16 g oxygen
12.
(a)
Ns
13.
(b)
W = V x Q
14.
(a)
Length
15.
(a)
Contact force
16.
(a)
Statics
17.
(d)
wood and animal dung
18.
(b)
Aneuploidy
19.
(a)
Pancreas
20.
(d)
wheat
21.
(c)
Graffian follicle
22.
(c)
corpus callosum
23.
(d)
24.
(a)
Active transport
25.
(a)
Metameres (somites)
26.
(c)
2CO(g) + O2(g) → 2CO2(g)
27.
(c)
25 ml alcohol in 75 ml of water
28.
(d)
electronegativity
29.
(c)
Lead
30.
(c)
fatty acid
31.
(d)
none of these
32.
(c)
1/12th of the mass of a C – 12 atom
33.
(b)
Closing the switch completes the circuit.
34.
(a)
A convex lens of focal length 5 cm
35.
(c)
10th Standard Syllabus & Materials
10th Standard
TN 10th Tamil கூட்டாஞ்சோறு - இலக்கணம் - தொகைநிலை தொடர்கள் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil பண்பாடு - கவிதை பேழை (செய்யுள்) -முத்துக்குமாரசாமி பிள்ளைத்தமிழ் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil உயிரின்ஓசை - இலக்கணம் - தொகாநிலை தொடர் Sample Question Papers Study Material - QB365 Set A
NEW10th Standard
TN 10th Tamil இயற்கை, சுற்றுசூழல், அறிவியல் - கவிதை பேழை (செய்யுள்) -மேகம் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
