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 with Answer Key 2020 - 2021 Part - 1
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.
The plants found in a particular area are known as ________
fauna
flora
endemic
rare
2.
__________ is the coal of superior quality.
Peat
Lignite
Bituminous
Anthracite
3.
Sodium hydroxide is a ________
acid
base
oxide
alkali
4.
Cryogenic fuels are stored at
room temperature
low temperature
very low temperature
very high temperature
5.
MRI stands for __________.
Magnetic Resonance Imaging
Magnetic Running Image
Magnetic Radio Imaging
Magnetic Radar Imaging
6.
Noise is produced by
vibrations with high frequency.
regular vibrations.
regular and periodic vibrations.
irregular and non-periodic vibrations.
7.
What is the short cut key for undo option?
Ctrl + Z
Ctrl + R
Ctrl + Y
Ctrl + N
8.
Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.
sweat
sebaceous
sweat and sebaceous
None of these
9.
Which of the following is known as azote?
Oxygen
Nitrogen
Sulpher
Carbon dioxide
10.
An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is
negative
positive
both positive and negative
None of the above
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.
Mirrors which magnify the object placed close to them.
Convex mirror
Concave mirror
Plane mirror
ellipsoid mirror
13.
Fifth generation computer has ___________ Intelligence.
Transistors
Integrated Circuits
Microprocessor
Artificial Intelligence
14.
__________ is tough and thick white sheath that protect the inner parts of the eye.
sclera
conjunctiva
cornea
iris
15.
An example for colonial form of algae is
Oscillatoria
Nostac
Volvox
Chlorella
16.
______ metal undergoes rusting.
tin
sodium
copper
iron
17.
Which one of the element name not derived from planet?
Plutonium
Neptunium
Uranium
Mercury
18.
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
10 cm
5 cm
20 cm
15 cm
19.
Pascal’s law is used in
hydraulic lift
brake system
pressing heavy bundles
All the above
20.
Amount of substance is
directly proportional to the number of atoms
inversely proportional to the number of atoms
directly proportional to the square of number of atoms
inversely proportional to the square of number of atoms
1.
(b)
flora
2.
(d)
Anthracite
3.
(b)
base
4.
(c)
very low temperature
5.
(a)
Magnetic Resonance Imaging
6.
(d)
irregular and non-periodic vibrations.
7.
(a)
Ctrl + Z
8.
(c)
sweat and sebaceous
9.
(b)
Nitrogen
10.
(c)
both positive and negative
11.
(c)
Gas
12.
(b)
Concave mirror
13.
(d)
Artificial Intelligence
14.
(a)
sclera
15.
(c)
Volvox
16.
(d)
iron
17.
(d)
Mercury
18.
(c)
20 cm
19.
(d)
All the above
20.
(a)
directly proportional to the number of atoms
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
