8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A

Published on: 11/12/2020
8th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Two
Download Tamil Nadu 8th 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.
Deforestation means ______
cleaning of forest
to grow plants
to look after plants
None of these.
2.
__________ is the coal of superior quality.
Peat
Lignite
Bituminous
Anthracite
3.
Aqueous solutions of _________ conduct electricity.
acid
base
salt
All of these
4.
Which of the following is the working principle of Rockets?
Newton’s first law
Newton’s second law
Newton’s third law
All the above
5.
The shape of the Earth’s magnetic field resembles that of an imaginary __________.
U-shaped magnet
straight conductor carrying current
solenoid coil
bar magnet
6.
In Tux Math, space cadet option is used for_________.
simple addition
division
drawing
multiplication
7.
Androgen production is regulated by ___________
GH hormone
LH hormone
TSH hormone
ACTH hormone
8.
External ear (pinna )is supported by
bone
cartilage
tendon
capsule
9.
In water, hydrogen and oxygen are combined in the ratio of _______by mass.
1:8
8:1
2:3
1:3
10.
Fuse is
a switch
a wire with low resistance
a wire with high resistance
a protective device for breaking an electric circuit
11.
If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion?
Solid
Liquid
Gas
All of above
12.
Rain drops are spherical in nature because of _________
Frictional force
Buoyant force
Surface tension
Viscous force
13.
When the angle of inclination decreases the number of images formed _________
increase
decreases
remain same
none of the above
14.
The process of air passing in and out the lungs is called ___________.
Inhalation
Exhalation
Breathing
None of these
15.
Binominal Nomenclature was first introduced in the year of
1970
1975
1978
1623
16.
_______ shows both living and nonliving characteristics.
Protozoa
virus
bacteria
Fungi
17.
Brine is a concentrated solution of ______.
Sodium sulphate
sodium chloride
calcium chloride
sodium bromide
18.
Which one of metal possess low tensile strength?
Silver
Copper
Zinc
Aluminium
19.
The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called
pole
centre of curvature
cradius of curvature
aperture
20.
Luminous intensity is the intensity of ________
Laser light
UV light
visible light
IR light
1.
(a)
cleaning of forest
2.
(d)
Anthracite
3.
(d)
All of these
4.
(c)
Newton’s third law
5.
(d)
bar magnet
6.
(a)
simple addition
7.
(b)
LH hormone
8.
(b)
cartilage
9.
(a)
1:8
10.
(d)
a protective device for breaking an electric circuit
11.
(c)
Gas
12.
(c)
Surface tension
13.
(a)
increase
14.
(c)
Breathing
15.
(d)
1623
16.
(b)
virus
17.
(b)
sodium chloride
18.
(c)
Zinc
19.
(c)
cradius of curvature
20.
(c)
visible light
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards