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 - One
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.
__________ is the coal of superior quality.
Peat
Lignite
Bituminous
Anthracite
2.
In acidic solutions blue litmus changes into ______ colour.
blue
green
red
white
3.
Cryogenic fuels are stored at
room temperature
low temperature
very low temperature
very high temperature
4.
A compass is used for __________
plotting magnetic lines
detection of magnetic field
navigation
All of these
5.
Which of the following are the characteristics of vibrations?
i. Frequency
ii. Time period
iii. Pitch
iv. Loudness
i and ii
ii and iii
iii and iv
i and iv
6.
___________ are the chemical substances, secreted by endocrine glands.
Hormones
Enzymes
Proteins
Fatty acids
7.
External ear (pinna )is supported by
bone
cartilage
tendon
capsule
8.
Which of the following statements made by Dalton has not undergone any change?
Atoms cannot be broken.
Atoms combine in small, whole numbers to form compounds.
Elements are made up of atoms.
All atoms of an elements are alike
9.
Carbon dioxide with water changes
blue litmus to red
red litmus to blue
blue litmus to yellow
doesn’t react with litmus
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.
Pen drive is _____device.
Output
Input
Storage
Connecting cable
13.
_________ cells are specialised cells that can be transformed into any kind of cells.
Nerve
Stem
Heart
Bone
14.
Floridian starch is a reserve food material of
Chloroplyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
15.
Based on shape, the bacteria are classified into _______ types.
2
3
4
5
16.
The burning of matchstick is an example for chemical reaction based on______
Contact in physical states
electricity
light
catalyst
17.
A form of non-metal which has high ductility is
nitrogen
oxygen
chlorine
carbon
18.
The distance from the pole to the focus is called
Pole length
focal length
principal axis
None of the above
19.
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
20.
Electric current is a ______quantity
base
supplementary
derived
professional
1.
(d)
Anthracite
2.
(c)
red
3.
(c)
very low temperature
4.
(d)
All of these
5.
(c)
iii and iv
6.
(a)
Hormones
7.
(b)
cartilage
8.
(d)
All atoms of an elements are alike
9.
(a)
blue litmus to red
10.
(c)
both positive and negative
11.
(c)
Gas
12.
(c)
Storage
13.
(b)
Stem
14.
(c)
Rhodophyceae
15.
(c)
4
16.
(a)
Contact in physical states
17.
(d)
carbon
18.
(b)
focal length
19.
(c)
Both (a) & (b)
20.
(a)
base
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
