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 - Three
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 part of plant consisting Nitrogen fixing bacteria?
Roots
Stems
Leaves
All the above
2.
____________ Present in the lemon juice acts as electrolyte.
Sulphuric acid
Nitric acid
Hydrochloric acid
Citric acid
3.
Hydrocarbons on burning in the air give CO2 and _____________.
Water and heat
CO and Heat
Water and CO
Water and Sulphur dioxide
4.
Stars in a constellation form _____________.
No shape
any arbitrary shape
a recognisable shape
a straight line always
5.
Speed of sound in solids does not depend upon __________.
temperature
density
medium
pressure
6.
Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.
decrease
increase
remains the same
7.
The primary organ infected during tuberculosis is
bone marrow
intestine
spleen
lungs
8.
Which of the following does not contain natural dyes?
Potato
Beetroot
Carrot
Turmeric
9.
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.
10.
The resistance of a straight conductor is independent of__________
temperature
material
cross sectional area
shape of cross section
11.
Curdling of milk protein is done by___________
pepsin
rennin
lipase
maltase
12.
_____________plays an important role in a computer as an inpute device
Keyboard
Scanner
Printer
Mouse
13.
The function of phloem fibres is__________
passage of food
store food
mechanical strength
preparation of food
14.
The length of Bluewhale is_________.
15 m
20 m
25 m
35 m
15.
Identify the gas which prevents the growth of fungus.
Nitrogen
Oxygen
Carbon-di-oxide
Hydrogen
16.
Our bodies contain radioisotopes such as ___________which continuously emit radiation.
Potassium 40
Iodine 131
Cobalt 60
Carbon 14
17.
Particles of matter are in constant motion as they possess ______energy.
potential
kinetic
solar
wind
18.
___________________% of water is used to produce carbohydrates by the plants.
0.01%
0.001%
0.1%
0.6%.
19.
The centre of the reflecting surface of a spherical mirror is _____________________
centre of curvafure
focus
pole
radius of curvature
20.
To measure the diameter of a thin wire_________is used.
Screw gauge
Water gauge
Meter gauge
Wind gauge
1.
(a)
Roots
2.
(d)
Citric acid
3.
(a)
Water and heat
4.
(c)
a recognisable shape
5.
(d)
pressure
6.
(a)
decrease
7.
(d)
lungs
8.
(a)
Potato
9.
(a)
the number of complete vibrations per second.
10.
(d)
shape of cross section
11.
(b)
rennin
12.
(a)
Keyboard
13.
(c)
mechanical strength
14.
(d)
35 m
15.
(a)
Nitrogen
16.
(a)
Potassium 40
17.
(b)
kinetic
18.
(c)
0.1%
19.
(c)
pole
20.
(a)
Screw gauge
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
