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: 11/12/2020
8th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Five
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.
Permanent hardness of water is due to the presence of __________
Sulphates and Chlorides
Dust particles
Carbonates and Bicarbonates
Other soluble particles
4.
Mangalyaan was sent to ________
Moon
Mars
Venus
Mercury
5.
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
6.
In Tux Math, space cadet option is used for_________.
simple addition
division
drawing
multiplication
7.
Adolescence is the period of life between _____________ years of age.
10 to 16
11 to 17
11 to 19
11 to 20
8.
Cathode rays are made up of
neutral particles
positively charged particles
negatively charged particles
None of the above
9.
Fuse is
a switch
a wire with low resistance
a wire with high resistance
a protective device for breaking an electric circuit
10.
If you apply some heat energy to a substance, which of the following can take place in it?
Expansion
Increase in temperature
Change of state
All the above
11.
The unit for surface tension is _________
Nm
N-1m
N-1m-1
Nm-1
12.
Electric current (I) = ____________
Qt
t/Q
Q/t
Q/t2
13.
Which of the following does not possess metallic lustre?
Copper
Calcium
aluminium
gold
14.
The erythrocyte is placed in _________ solution which has lesser concentration of solutes and greater concentration of water than in the cytoplasm.
Hypotonic
Hypertonic
Neutral
Acidic
15.
The edible mushroom is _________
Polyporus
Agaricus
Pennicillium
Aspergillus
16.
Which of the following factor induces electrolysis?
Heat
light
electricity
catalysis
17.
The non-metal which conduct current is
carbon
oxygen
aluminium
sulphur
18.
Focal length is equal to half of the
centre of curvature
axis
radius of curvature
None of the above
19.
Which of the following liquids has more viscosity?
Grease
Water
Coconut oil
Ghee
20.
Quantities other than base quantities are called as
supplementary quantities
derived quantities
professional quantities
energy quantities
1.
(c)
soil treatment
2.
(a)
basic
3.
(a)
Sulphates and Chlorides
4.
(b)
Mars
5.
(c)
20 Hz to 20000 Hz
6.
(a)
simple addition
7.
(c)
11 to 19
8.
(c)
negatively charged particles
9.
(d)
a protective device for breaking an electric circuit
10.
(d)
All the above
11.
(d)
Nm-1
12.
(c)
Q/t
13.
(b)
Calcium
14.
(a)
Hypotonic
15.
(b)
Agaricus
16.
(c)
electricity
17.
(a)
carbon
18.
(c)
radius of curvature
19.
(a)
Grease
20.
(b)
derived quantities
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
