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 - Three
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.
How many types of page orientation are there in Libre office Writer?
1
2
3
4
2.
Organism that control insects and pests of plant crops is
bio-pesticides
bio-fertilizers
earthworms
neem leaves
3.
Sodium hydroxide is a ________
acid
base
oxide
alkali
4.
Which of the following is the working principle of Rockets?
Newton’s first law
Newton’s second law
Newton’s third law
All the above
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.
What is the short cut key for undo option?
Ctrl + Z
Ctrl + R
Ctrl + Y
Ctrl + N
7.
Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.
sweat
sebaceous
sweat and sebaceous
None of these
8.
Which one of the following organisms lack muscles and skeleton for movement?
Dog
Snail
Earth worm
Human being
9.
Solvay process is a method to manufacture
lime water
aerated water
distilled water
sodium carbonate
10.
The process of converting a liquid into a solid is called_________.
sublimation
condensation
freezing
deposition
11.
An imaginary line perpendicular to the reflecting surface is called
imaginary line
curved line
Perpendicular line
normal
12.
__________is an example for Lophotrichous
vibrio
Pseudomonas
Rhodospirillum
Corny bacterium
13.
Pen drive is _____device.
Output
Input
Storage
Connecting cable
14.
Binominal Nomenclature was first introduced in the year of
1970
1975
1978
1623
15.
Floridian starch is a reserve food material of
Chloroplyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
16.
Brine is a concentrated solution of ______.
Sodium sulphate
sodium chloride
calcium chloride
sodium bromide
17.
The property which allows metals to be hammered into their sheets is ___________
ductility
malleability
conductivity
tensile strength
18.
If the image and object distance is same, then the object is placed at
infinity
at F
between f and P
at C
19.
Which of the following liquids has more viscosity?
Grease
Water
Coconut oil
Ghee
20.
Closeness of two or more measured values is called as ______
accuracy
precision
error
approximation
1.
(b)
2
2.
(a)
bio-pesticides
3.
(b)
base
4.
(c)
Newton’s third law
5.
(c)
20 Hz to 20000 Hz
6.
(a)
Ctrl + Z
7.
(c)
sweat and sebaceous
8.
(c)
Earth worm
9.
(d)
sodium carbonate
10.
(c)
freezing
11.
(d)
normal
12.
(b)
Pseudomonas
13.
(c)
Storage
14.
(d)
1623
15.
(c)
Rhodophyceae
16.
(b)
sodium chloride
17.
(b)
malleability
18.
(d)
at C
19.
(a)
Grease
20.
(b)
precision
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
