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 - 9
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.
Effective microorganism preparation is not used in
seed treatment
foliar spray
soil treatment
bio-predators
2.
We brush our teeth with tooth paste because it is __________ in nature.
basic
acidic
basic and acidic
None of these
3.
Water changes to ice at
00C
1000C
1020C
980C
4.
The range of audible frequency for the human ear is
2 Hz to 2000 Hz
20 Hz to 2000 Hz
20 Hz to 20000 Hz
200 Hz to 20000 Hz
5.
Tux paint software is used to ________.
paint
program
scan
6.
Cockroach moves with the help of its
leg
bone
muscular foot
whole body
7.
In water, hydrogen and oxygen are combined in the ratio of _______by mass.
1:8
8:1
2:3
1:3
8.
The electrification of two different bodies on rubbing is because of the transfer of
neutrons
protons
electrons
protons and neutrons
9.
__________ is the measure of the perceived power of light.
Luminous flux
Luminous power
Luminous Intensity
Both a and b
10.
An imaginary line perpendicular to the reflecting surface is called
imaginary line
curved line
Perpendicular line
normal
11.
Enzymes and yeasts are called
catalysts
bio catalysts
chemical catalysts
physical catalysts
12.
Pick out the odd one
Speaker
Printer
Keyboard
Monitor
13.
______ is used as a food for domestic animals
Gelidium
Ascophyllum
Laminaria & Ascophyllum
14.
Fifth generation computer has ___________ Intelligence.
Transistors
Integrated Circuits
Microprocessor
Artificial Intelligence
15.
The process of air passing in and out the lungs is called ___________.
Inhalation
Exhalation
Breathing
None of these
16.
Based on shape, the bacteria are classified into _______ types.
2
3
4
5
17.
______ metal undergoes rusting.
tin
sodium
copper
iron
18.
A form of non-metal which has high ductility is
nitrogen
oxygen
chlorine
carbon
19.
The distance from the pole to the focus is called
Pole length
focal length
principal axis
None of the above
20.
Pressure exerted by a liquid is increased by
the density of the liquid
the height of the liquid column
Both (a) & (b)
None of the above
1.
(c)
soil treatment
2.
(a)
basic
3.
(a)
00C
4.
(c)
20 Hz to 20000 Hz
5.
(a)
paint
6.
(a)
leg
7.
(a)
1:8
8.
(c)
electrons
9.
(d)
Both a and b
10.
(d)
normal
11.
(b)
bio catalysts
12.
(c)
Keyboard
13.
(c)
Laminaria & Ascophyllum
14.
(d)
Artificial Intelligence
15.
(c)
Breathing
16.
(c)
4
17.
(d)
iron
18.
(d)
carbon
19.
(b)
focal length
20.
(c)
Both (a) & (b)
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