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 - 3
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.
If the ruler is not displayed in the screen, __________ option is clicked.
View -> ruler
View -> task
File -> save
Edit -> paste
2.
Deforestation means ______
cleaning of forest
to grow plants
to look after plants
None of these.
3.
The process of placing seeds in the soil is called
ploughing
sowing
crop production
crop rotation
4.
Which is known as syn gas?
Marsh gas
Water gas
Producer gas
Coal gas
5.
The base is a substance that gives _____ on dissolving in water.
OH-
H+
OH
H
6.
Solubility of carbon dioxide in water is high when the
pressure is low
pressure is high
temperature is high
None of the above
7.
_____ is called as Red planet.
Mercury
Venus
Earth
Mars
8.
A magnet attracts _______.
wooden materials
any metal
copper
iron and steel
9.
Find the odd one out.
Harmonium
Flute
Nadaswaram
Violin
10.
Tux paint software is used to ________.
paint
program
scan
11.
___________ are the chemical substances, secreted by endocrine glands.
Hormones
Enzymes
Proteins
Fatty acids
12.
Rain drops are spherical in nature because of _________
Frictional force
Buoyant force
Surface tension
Viscous force
13.
_______ can be used as memory or storage element in the computers.
Condutors
Insulators
Supercondutors
Semiconductors
14.
An imaginary line perpendicular to the reflecting surface is called
imaginary line
curved line
Perpendicular line
normal
15.
Enzymes and yeasts are called
catalysts
bio catalysts
chemical catalysts
physical catalysts
16.
__________is an example for Lophotrichous
vibrio
Pseudomonas
Rhodospirillum
Corny bacterium
17.
Which of the following element is named after a scientist?
Americium
Mercury
Nobelium
Neptunium
18.
When was the first computer introduced?
1980
1947
1946
1985
19.
_________are called as building blocks of life
Cells
nucleus
Cell organelles
tissues
20.
_____ is the giant kelp
Spirogyra
Volvox
Macrocystis
Chlorella
1.
(a)
View -> ruler
2.
(a)
cleaning of forest
3.
(b)
sowing
4.
(b)
Water gas
5.
(a)
OH-
6.
(b)
pressure is high
7.
(d)
Mars
8.
(d)
iron and steel
9.
(d)
Violin
10.
(a)
paint
11.
(a)
Hormones
12.
(c)
Surface tension
13.
(c)
Supercondutors
14.
(d)
normal
15.
(b)
bio catalysts
16.
(b)
Pseudomonas
17.
(c)
Nobelium
18.
(c)
1946
19.
(a)
Cells
20.
(c)
Macrocystis
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
