8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard கணிதம் இயற்கணிதம் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set B
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
Tamilnadu 8th Standard Social Science பொருளியல் - பொது மற்றும் தனியார் துறைகள் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - நீதித்துறை Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - பாதுகாப்பு மற்றும் வெளியுறவுக் கொள்கை Important Questions And Answers Study Material - QB365
Published on: 05/08/2019
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.
Fifth generation computer has ___________ Intelligence.
Transistors
Integrated Circuits
Microprocessor
Artificial Intelligence
2.
__________ is tough and thick white sheath that protect the inner parts of the eye.
sclera
conjunctiva
cornea
iris
3.
Floridian starch is a reserve food material of
Chloroplyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
4.
______ is a prokaryotic micro organisms.
Virus
algae
fungi
bacteria
5.
The pigment responsible for browning of apples is______.
Hydrated iron (II) oxide
melanin
starch
ozone
6.
Pencil lead contains
graphite
diamond
aluminium
sulphur
7.
Symbol of Mercury is
Ag
Hg
Au
Pb
8.
The refractive index of water is
1.0
1.33
1.44
1.52
9.
The spherical mirror used as a rear view mirror in the vehicle is
concave mirror
convex mirror
plane mirror
None of the above
10.
The unit of viscosity is
Nm2
poise
kgms–1
no unit
11.
Unit of pressure is
pascal
Nm–2
poise
Both (a) & (b)
12.
SI unit stands for
International system of units
Integrated System of units
International symbol of units
Integrated symbol of units
13.
Luminous intensity is the intensity of ________
Laser light
UV light
visible light
IR light
14.
Which one the following systems of unit is the British System of unit?
CGS
MKS
FPS
SI
15.
The angle formed at the vertex of the cone is______
16.
_________ is a device which produces numerous pattern of images
17.
_______ nerve is located at the end of the eyes behind the retina.
18.
The book “Genera Plantarum” was written by _________
19.
_______ are the infectious protein particles.
20.
Electrolysis of Brine solution gives ______ gases.
21.
Water contains _______ and ______ element
22.
Nature of the images formed by a convex mirror is _________.
23.
Hydraulic lift works under the principle of _____.
24.
_______ is used to measure electric current.
25.
The solid angle is measured in _______.
26.
Frictional force acts always along direction of the moving body
27.
Precision is the process of finding the solution by means of estimation
28.
Heat given to a substance will increase its temperature
29.
Pinus is a closed seeded plant.
30.
Female anopheles mosquito is a carrier of dengue virus.
31.
Light energy may come out due to chemical reactions.
32.
Using barometers, one can measure the height of a building.
33.
Rolling friction is slightly greater than the sliding friction.
34.
Force acting on a given area is called pressure.
35.
The number 4.582 can be rounded off as 4.58.
36.
Amount of substance gives the number of particles present in the substance.
37.
SI units are metric system of units.
38.
1 atm
39.
Peritrichous
40.
Fifth generation computer
41.
Pteropsida
42.
Application Software
43.
Glucose
44.
Ginko biloba
45.
Tuberculosis
46.
Tarnishing
47.
Boron
48.
Parobolic mirror
49.
Kinetic friction
50.
Temperature
1.
(d)
Artificial Intelligence
2.
(a)
sclera
3.
(c)
Rhodophyceae
4.
(d)
bacteria
5.
(b)
melanin
6.
(a)
graphite
7.
(b)
Hg
8.
(b)
1.33
9.
(b)
convex mirror
10.
(b)
poise
11.
(d)
Both (a) & (b)
12.
(a)
International system of units
13.
(c)
visible light
14.
(c)
FPS
15.
( )
Solid angle
16.
( )
Kaleidoscope
17.
( )
Optic
18.
( )
Bentham and Hooker
19.
( )
Prions
20.
( )
Chlorine and hydrogen
21.
( )
Hydrogen and Oxygen
22.
( )
virtual image
23.
( )
Pascal's law
24.
( )
Ammeter
25.
( )
Steradian
26.
(b)
27.
(b)
28.
(a)
29.
(b)
30.
(b)
31.
(a)
32.
(b)
33.
(b)
34.
(b)
35.
(a)
36.
(a)
37.
(a)
38.
1.01 x lO5 Nm-2
39.
E.coli
40.
Artificial Intelligence
41.
Nephrolepis
42.
Microprocessor
43.
CO2 water and heat
44.
Living fossil
45.
Bacteria
46.
Chemical reaction
47.
As a fuel for ignition in rocket
48.
Radio telescopes
49.
objects are in motion
50.
Measure of hotness or coldness
8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - புவிப்படங்களைக் கற்றறிதல் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - கண்டங்களை ஆராய்தல் (ஆப்பிரிக்கா, ஆஸ்திரேலியா மற்றும் அண்டார்டிகா) Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - தொழிலகங்கள் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science வரலாறு - காலங்கள் தோறும் இந்தியப் பெண்களின் நிலை Important Questions And Answers Study Material - QB365
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
