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
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TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A

Published on: 24/07/2018
In this question paper, it covers the important one mark question from the term I syllabus. It covers the book back and creative questions.
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.
_________ belongs to the generation IV of the computer
Microprocessor
Artificial intelligence
Transistor
Vacuum Tubes
2.
Tube like alimentary canal is found in
Hydra
Earthworm
Starfish
Ascaris
3.
Hermaphrodite organisms are
Hydra, Tapeworm, Earthworm, Amphioxus
Hydra, Tapeworm, Earthworm, Ascidian
Hydra, Tapeworm, Earthworm, Balanoglossus
Hydra, Tapeworm, Ascaris, Earthworm
4.
The physician who discovered that scurvy can be cured by ingestion of citrus fruits is ______________
James Lind
Louis Pasteur
Charles Darwin
Isaac Newton
5.
During photosynthesis plants exhale _______.
Carbon dioxide
oxygen
hydrogen
helium
6.
Dysentery is caused by
Entamoeba
Euglena
Plasmodium
Paramecium
7.
The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)
80, 80, 35
35, 55, 80
35, 35, 80
35, 45, 35
8.
The field of view is maximum for ________
plane mirror
concave mirror
convex mirror
9.
Filtration method is effective in separating _______ mixture
Solid-solid
solid-liquid
liquid-liquid
liquid-gas
10.
______ is essential to perform separation by solvent extraction method.
Separating funnel
centrifuge machine
filter paper
sieve
11.
The centrifugal force is
Real force
The force of reaction of centripetal force
Virtual force
Directed towards the centre of the circular path.
12.
Which of the following graph represents uniform motion of a moving particle?




13.
The chemical reaction occurs during photosynthesis is ________.
CO2 is reduced and water is oxidized
water is reduced and CO2 is oxidized
both CO2 and water are oxidized
both CO2 and water are produced
14.
Rulers, measuring tapes and metre scales are used to measure
Mass
Weight
Time
Length
15.
The process of affecting the natural composition and the quality of food substance is known as _______________
16.
Deficiency diseases can be prevented by taking _______________ diet.
17.
Blue revolution is the rearing of ______________.
18.
The excretory opening of Porifera is ________
19.
Large _________ mirrors are used to concentrate sunlight to produce heat in solar furnaces
20.
In going from a rarer to denser medium, the ray of light bends _________
21.
Plants inhale and exhale continuously through the __________.
22.
The number of neutrons present in \(_{ 3 }^{ 7 }{ Li }\) is ------
23.
Calcium and Argon are examples of a pair of __________
24.
Alcohol can be separated from water by _________________
25.
Consider an object is rest at position x = 20m. Then its displacement – time graph will be straight line to _____________ the axis.
26.
__________ is positively hydrotropic as well as positively geotropic.
27.
1500C = __________ K
28.
1 kg of rice is weighed by ______
29.
Metre is the unit of ________
30.
Fishes have two chambered heart.
31.
Vitamins are required in large quantities for normal functioning of the body -
32.
The distance from centre of curvature of the mirror to the pole is called the focal length of the mirror.
33.
An object is placed at distance of 3 cm from a plane mirror. The distance of the object and image is 3 cm.
34.
Electrons have negligible mass and charge.
35.
If the velocity – time graph of a particle is a straight line inclined to X-axis then its displacement – time graph will be a straight line?
36.
The velocity – time graph of a particle falling freely under gravity would be a straight line parallel to the x axis
37.
Scientific term used to represent the bending of roots towards water is called geotropism.
38.
Aspirin is composed of 60% Carbon, 4.5% Hydrogen and 35.5% Oxygen by mass. Aspirin is a mixture.
39.
Transistor
40.
Potassium
41.
Calcium
42.
Used as Dentist’s mirror
43.
Coin inside water appearing slightly raised
44.
Charge of proton
45.
Mass of electron
46.
Constant retardation
47.
Motion with non uniform acceleration
48.
Roots growing downwards into soil
1.
(a)
Microprocessor
2.
(a)
Hydra
3.
(a)
Hydra, Tapeworm, Earthworm, Amphioxus
4.
(a)
James Lind
5.
(b)
oxygen
6.
(a)
Entamoeba
7.
(d)
35, 45, 35
8.
(c)
convex mirror
9.
(b)
solid-liquid
10.
(a)
Separating funnel
11.
(b)
The force of reaction of centripetal force
12.
(b)

13.
(a)
CO2 is reduced and water is oxidized
14.
(d)
Length
15.
( )
Adulteration
16.
( )
balanced
17.
( )
Fishes
18.
( )
Ostia
19.
( )
concave
20.
( )
towards the normal
21.
( )
Stomata
22.
( )
4
23.
( )
isobars
24.
( )
fractional distillation
25.
( )
Parallel to
26.
( )
Root
27.
( )
1773.15 oK
28.
( )
common (beam) balance
29.
( )
length
30.
(a)
31.
(b)
32.
(b)
33.
(a)
34.
(a)
35.
(a)
36.
(b)
37.
(b)
38.
(a)
39.
II generation
40.
Muscular fatigue
41.
Osteoporosis
42.
Concave mirror
43.
Refraction
44.
1.6 x 10-19C
45.
9.31 x 10-28g
46.

47.

48.
Positive geotropism
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