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 - 8
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.
2.
Auxins were identified by ______
Darwin
Kogi
Went
Funk
3.
Identify the ketone among the following
CH3COCH3
CH3CHO
CH3COOH
CH3COOCH3
4.
_____ is the longest cell of the human body.
Neuron
Neuroglia
Nerve fibres
Cyton
5.
Pick out
Compound + element ⟶ compound type of combination reaction
PCl5 ⟶ PCl3 + Cl2
Mg + O2 ⟶ 2MgO
PCl3 + Cl2 ⟶ PCl5
2Na + Cl2 ⟶ 2NaCl
6.
According to Charles's law
P ∝ \(\frac{1}{V}\)
V ∝ T
V ∝ n
all the above
7.
Radioactive materials are kept -in thick -walled ________ containers.
aluminium
iron
brick
lead
8.
Example for solid in solid ___________
Soda water
Camphor in air
Charcoal
alloy
9.
As compare to single lens, compound microscope gives ______ magnification
Smaller
Greater
No
Equal
10.
Convex lenses are used in
camera
magnifying lens
microscope
all the above
11.
12.
Modern periodic law is based on __________
atomic mass
atomic number
number of neutrons
Both (a) and (b)
13.
_______from the posterior pituitary stimulates the uterine contractions
Oxytocin
Insulin
Estrogen
Prolactin
14.
_______is not a feature of osmosis
Semi permeable membrane
Movement of solvent
Both a and b
Involves energy
15.
16.
Which of the following correctly represent 360 g of water
(i) 2 moles of H2O
(ii) 20 moles of water
(iii) 6.023 x 1023 molecules of water
(iv) 1.2046 x 1024 molecules of water
(i)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
17.
A heating element used in the electric iron box and the electric heater is
Tungsten
Nichrome
Lead
All the above
18.
The ball is thrown up, the value of g will be
zero
+ve
-ve
negligible
19.
The mass of an atom is measured in ____________
kg
amu
g
Pm
20.
Why battery is used in the circuit?
Measure Current
Maintain a potential difference
Oppose the current
Measure potential
21.
22.
Soil erosion can be prevented by
deforestation
afforestation
over growing
removal of vegetation
23.
Okasaki fragments are joined together by ___________________.
Helicase
DNA polymerase
RNA primer
DNA ligase
24.
Identify the exocrine gland
Pituitary gland
Adrenal gland
Salivary gland
Thyroid gland
25.
A single highly coiled tube where sperms are stored, get concentrated and mature is known as
Epididymis
Vasa efferentia
Vas deferens
Seminiferous tubules
26.
Node of Ranvier is found in
muscles
axons
dendrites
cyton
27.
World 'No Tobacco Day' is observed on
May 31
June 6
April 22
October 2
28.
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by doctor for transfusion?
O group
AB group
A and B group
All blood group
29.
The body of leech has
23 segments
33 segments
38 segments
30 segments
30.
Which of the following are used as an aesthetics?
Carboxylic acids
Ethers
Esters
Aldehydes
31.
Which of the following statement is incorrect?
12 gram of C – 12 contains Avogadro’s number of atoms.
One mole of oxygen gas contains Avogadro’s number of molecules
One mole of hydrogen gas contains Avogadro’s number of atoms
One mole of electrons stands for 6.023 × 1023 electrons.
32.
In the Given diagram, the possible direction of heat energy transformation is
A\(\leftarrow\)B, A\(\leftarrow\)C, B\(\leftarrow\)C
A\(\rightarrow\)B, A\(\rightarrow\)C, B\(\rightarrow\)C
A\(\rightarrow\)B, A\(\leftarrow\)C, B\(\rightarrow\)C
A\(\leftarrow\)B, A\(\rightarrow\)C, B\(\leftarrow\)C
33.
In a myopic eye, the image of the object is formed
behind the retina
on the retina
in front of the retina
on the blind spot
34.
Impulse is equals to
rate of change of momentum
rate of force and time
change of momentum
rate of change of mass
1.
(d)
2.
(c)
Went
3.
(a)
CH3COCH3
4.
(a)
Neuron
5.
(c)
PCl3 + Cl2 ⟶ PCl5
6.
(b)
V ∝ T
7.
(d)
lead
8.
(d)
alloy
9.
(b)
Greater
10.
(d)
all the above
11.
(c)
12.
(b)
atomic number
13.
(a)
Oxytocin
14.
(d)
Involves energy
15.
(b)
16.
(d)
(ii) and (iv)
17.
(b)
Nichrome
18.
(c)
-ve
19.
(b)
amu
20.
(b)
Maintain a potential difference
21.
(a)
22.
(b)
afforestation
23.
(d)
DNA ligase
24.
(c)
Salivary gland
25.
(a)
Epididymis
26.
(b)
axons
27.
(a)
May 31
28.
(a)
O group
29.
(b)
33 segments
30.
(b)
Ethers
31.
(c)
One mole of hydrogen gas contains Avogadro’s number of atoms
32.
(a)
A\(\leftarrow\)B, A\(\leftarrow\)C, B\(\leftarrow\)C
33.
(c)
in front of the retina
34.
(c)
change of momentum
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
