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 with Answer Key 2020 - 2021 Part - 8
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.
The plants found in a particular area are known as ________
fauna
flora
endemic
rare
2.
The chemical mixed with LPG that helps in the detection of its leakage is __________
methanol
ethanol
camphor
mercapton
3.
Acids are ________ in taste.
sour
sweet
bitter
salty
4.
Chandrayaan - 1 was launched on
22nd October 2008
8th November 2008
22nd July 2019
22nd October 2019
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.
Which tool bar is used for drawing and editing controls in tux paint software?
Left Side: Toolbar
Right side: Toolbar
Middle: Tool bar
Bottom: Tool bar
7.
The period at which an organism attains sexual maturity is called _____________
puberty
adolescence
growth
maturity
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.
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
10.
The unit of charge is ______
Coulomb
Ampere
Radian
Steradian
11.
When the angle of inclination decreases the number of images formed _________
increase
decreases
remain same
none of the above
12.
The brown colour of a cut apple is due to
rusting
rancidity
browning
fermentation
13.
Fifth generation computer has ___________ Intelligence.
Transistors
Integrated Circuits
Microprocessor
Artificial Intelligence
14.
Maintenance of constant internal environment of the body is known as _________
Homeostasis
Homeophytes
Homeokinesis
Homeophilics
15.
Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to
Species
Genus
Class
Orders
16.
Limestone contains ______ mainly.
Calcium chloride
calcium carbonate
calcium nitrate
calcium sulphate
17.
The property which allows metals to be hammered into their sheets is ___________
ductility
malleability
conductivity
tensile strength
18.
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
10 cm
5 cm
20 cm
15 cm
19.
Pascal’s law is used in
hydraulic lift
brake system
pressing heavy bundles
All the above
20.
Luminous intensity is the intensity of ________
Laser light
UV light
visible light
IR light
1.
(b)
flora
2.
(d)
mercapton
3.
(a)
sour
4.
(a)
22nd October 2008
5.
(c)
20 Hz to 20000 Hz
6.
(a)
Left Side: Toolbar
7.
(a)
puberty
8.
(d)
All atoms of an elements are alike
9.
(c)
both positive and negative
10.
(a)
Coulomb
11.
(a)
increase
12.
(c)
browning
13.
(d)
Artificial Intelligence
14.
(a)
Homeostasis
15.
(b)
Genus
16.
(b)
calcium carbonate
17.
(b)
malleability
18.
(c)
20 cm
19.
(d)
All the above
20.
(c)
visible light
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
