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 - 10
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.
If the ruler is not displayed in the screen, __________ option is clicked.
View -> ruler
View -> task
File -> save
Edit -> paste
2.
Which of the following is not present in Panchagavya?
Cow dung
Cow’s urine
Curd
Sugar
3.
Magnesium hydroxides are used for treating_______
acidity
head pain
teeth decay
None of these
4.
Cryogenic fuels are stored at
room temperature
low temperature
very low temperature
very high temperature
5.
Noise is produced by
vibrations with high frequency.
regular vibrations.
regular and periodic vibrations.
irregular and non-periodic vibrations.
6.
Androgen production is regulated by ___________
GH hormone
LH hormone
TSH hormone
ACTH hormone
7.
Why do underwater divers wear fin-like flippers on their feet ?
To swim easily in water
To look like a fish.
To walk on water surface
To walk over the bottom of the sea (sea bed).
8.
Which of the following is known as azote?
Oxygen
Nitrogen
Sulpher
Carbon dioxide
9.
The process of converting a liquid into a solid is called_________.
sublimation
condensation
freezing
deposition
10.
Electric current (I) = ____________
Qt
t/Q
Q/t
Q/t2
11.
Mirrors which magnify the object placed close to them.
Convex mirror
Concave mirror
Plane mirror
ellipsoid mirror
12.
__________is an example for Lophotrichous
vibrio
Pseudomonas
Rhodospirillum
Corny bacterium
13.
Compound obtained from living sources such as plants and animals are called
In Organic Compounds
Organic Compounds
Synthetic Compounds
Artificial Compounds
14.
_________are called as building blocks of life
Cells
nucleus
Cell organelles
tissues
15.
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
16.
An example for colonial form of algae is
Oscillatoria
Nostac
Volvox
Chlorella
17.
Which of the following factor induces electrolysis?
Heat
light
electricity
catalysis
18.
The property which allows metals to be hammered into their sheets is ___________
ductility
malleability
conductivity
tensile strength
19.
The distance from the pole to the focus is called
Pole length
focal length
principal axis
None of the above
20.
SI unit of temperature is __________
celsius
fahrenheit
kelvin
ampere
1.
(a)
View -> ruler
2.
(d)
Sugar
3.
(a)
acidity
4.
(c)
very low temperature
5.
(d)
irregular and non-periodic vibrations.
6.
(b)
LH hormone
7.
(a)
To swim easily in water
8.
(b)
Nitrogen
9.
(c)
freezing
10.
(c)
Q/t
11.
(b)
Concave mirror
12.
(b)
Pseudomonas
13.
(b)
Organic Compounds
14.
(a)
Cells
15.
(a)
Hypotonic
16.
(c)
Volvox
17.
(c)
electricity
18.
(b)
malleability
19.
(b)
focal length
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
