9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 08/12/2020
9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - One
Download Tamil Nadu 9th 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.
Which one of the following is refered as red worms?
Eudrilus fetida
Eudrilus eugieniae
Perionyx excavatus
Lampito mauritii
2.
Radiochemistry deals with
oxidants
batteries
isotopes
nanoparticles
3.
Which of the following statement best describes frequency?
the number of complete vibrations per second.
the distance travelled by a wave per second.
the distance between one crest of wave and the next one.
the maximum disturbance caused by a wave.
4.
Diamond is not a good conductor of electricity because
it is very hard
it has no free electron
its structure is uniform
it is insoluble in water
5.
Aerenchyma is found in
epiphytes
hydrophytes
halophytes
xerophytes
6.
Which one of the following substance is not a constituent of sweat?
Urea
Protein
Water
Salt
7.
____________compounds have high melting and boiling points.
Covalent
Coordinate
Ionic
Coordinate
8.
Transformer works on.
AC only
DC only
both AC and DC
AC nor effectively than DC
9.
A device in which the loss of heat due to conduction, convection and radiation is minimized in
Solar cell
Solar cooker
Thermometer
Thermos flask
10.
Identify the single celled organism.
Fern
Rabbit
Cat
Pond algae
11.
Law of multiple proportions was proposed by _________
J. Ritcher
Rutherford
John Dalton
J.J Thomson
12.
In which direction of the motion of the particles does centripetal force act?
parallel
radial
tangential
perpendicular
13.
Moment is equal to_________of an hour.
\(\frac{1}{40}\)
\(\frac{1}{80}\)
\(\frac{1}{60}\)
\(\frac{1}{20}\)
14.
The animal without skull is
Acrania
Acephalia
Apteria
Acoelomate
15.
The plant part which exhibits negative geotropism is __________.
root
stem
branch
leaves
16.
The correct electronic configuration of potassium is
2,8,9
2,8,1
2,8,8,1
2,8,8,3
17.
When the reflecting surface is curved outwards the mirror formed will be
concave mirror
convex mirror
plane mirror
spherical mirror
18.
The separation of denser particles from lighter particles done by rotation at high speed is called ________
Filtration
sedimentation
decantation
centrifugation
19.
In a 100m race, the winner takes 10s to reach the finishing point. The average speed of the winner is
5ms-1
20ms-1
40ms-1
10ms-1
20.
Choose the correct one
mm < cm < m < km
mm > cm > m > km
km < m < cm < mm
mm > m > cm > km
1.
(a)
Eudrilus fetida
2.
(c)
isotopes
3.
(a)
the number of complete vibrations per second.
4.
(b)
it has no free electron
5.
(b)
hydrophytes
6.
(b)
Protein
7.
(c)
Ionic
8.
(a)
AC only
9.
(d)
Thermos flask
10.
(d)
Pond algae
11.
(c)
John Dalton
12.
(d)
perpendicular
13.
(a)
\(\frac{1}{40}\)
14.
(a)
Acrania
15.
(b)
stem
16.
(c)
2,8,8,1
17.
(a)
concave mirror
18.
(d)
centrifugation
19.
(d)
10ms-1
20.
(a)
mm < cm < m < km
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
