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 - 7
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.
The base is a substance that gives _____ on dissolving in water.
OH-
H+
OH
H
4.
_____ is called as Red planet.
Mercury
Venus
Earth
Mars
5.
A magnet attracts _______.
wooden materials
any metal
copper
iron and steel
6.
Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.
sweat
sebaceous
sweat and sebaceous
None of these
7.
Which of the following parts of our body help us in movement?
(i) Bones (ii) Skin (iii) Muscles (iv) Organs Choose the correct answer from the options below.
(i) and (iii)
(ii) and (iv)
(i) and (iv)
(i) and (iv)
8.
Carbon dioxide with water changes
blue litmus to red
red litmus to blue
blue litmus to yellow
doesn’t react with litmus
9.
Conduction is the heat transfer which takes place in a____________.
solid
liquid
gas
All of them
10.
The unit for surface tension is _________
Nm
N-1m
N-1m-1
Nm-1
11.
__________ is an acid - loving bacteria
Lactobacillus acidophilus
Pseudomonas
Xanthomonas
Vibrio cholera
12.
Which of the following element is named after a scientist?
Americium
Mercury
Nobelium
Neptunium
13.
Pick out the odd one
Speaker
Printer
Keyboard
Monitor
14.
_____is a thin transparent membrane that is spread across the sclera
Cornea
Conjunctiva
Retina
Ciliary body
15.
In the absence of oxygen, glucose is broken down in to ________.
Lactic acid
Citric acid
Acetic acid
Nitric acid
16.
An example for colonial form of algae is
Oscillatoria
Nostac
Volvox
Chlorella
17.
______ metal undergoes rusting.
tin
sodium
copper
iron
18.
The Pictorial symbol for water given by the alchemists was
19.
The spherical mirror with a reflecting surface curved inward is called
convex mirror
concave mirror
curved mirror
None of the above
20.
SI unit of temperature is __________
celsius
fahrenheit
kelvin
ampere
1.
(b)
flora
2.
(d)
Anthracite
3.
(a)
OH-
4.
(d)
Mars
5.
(d)
iron and steel
6.
(c)
sweat and sebaceous
7.
(a)
(i) and (iii)
8.
(a)
blue litmus to red
9.
(a)
solid
10.
(d)
Nm-1
11.
(a)
Lactobacillus acidophilus
12.
(c)
Nobelium
13.
(c)
Keyboard
14.
(b)
Conjunctiva
15.
(a)
Lactic acid
16.
(c)
Volvox
17.
(d)
iron
18.
(c)
19.
(b)
concave mirror
20.
(c)
kelvin
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
