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: 08/01/2019
Revision Test One Mark Test
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.
The symbiotic association of fungi and vascular plants is
Lichen
Rhizobium
Mycorhizae
Azotobacter
2.
The production and management of fish is called
Pisciculture
Sericulture
Aquaculture
Monoculture
3.
The most fatal form of Malaria is caused by
Plasmodium ovale
Plasmodium falciparum
Plasmodium malariae
Plasmodium vivax
4.
The ice sheets from the north and south poles and the icecaps on the mountains, get converted into water vapour through the process of ______________.
evaporation
condensation
sublimation
infiltration
5.
Ceres is a _______.
Meteor
Star
Planet
Astroid
6.
Who proposed the heliocentric model of the universe?
Tycho Brahe
Nicolaus Copernicus
Ptolemy
Archimedes
7.
This type of food protect us from deficiency diseases.
Carbohydrates
Vitamins
Proteins
Fats
8.
The antibiotic Penicillin is obtained from ___________
plant
microorganism
animal
sunlight
9.
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
TV transmitter
tuning fork
water
slinky
10.
When the pitch of note by a harmonium is lowered, then the wave length of the note
first decreases and then increases
decreases
remains the same
increases
11.
The maximum speed of vibrations which produces audible sound will be in
seawater
ground glass
dry air
Human blood
12.
If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be
34
20
15
0.2
13.
Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?
stretched strings
stretched membranes
air columns
metal plates
14.
Plastic resin codes are shown as three chasing arrows in a ______________ with a number in the middle or letters (an acronym of that plastic type).
Logo
Recycling symbol
Square
Triangle
15.
The lead pencil contains
Graphite
Diamond
Lead
Charcoal
16.
Plastics made of Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) are made of resin code ___________
2
5
6
7
17.
Which of the following does not contain double bond
CO2
C2H4
HCl
O2
18.
Number of free electron(s) in each carbon of graphite is
one
Two
Three
Four
19.
In a pressure cooker, the food is cooked faster because
increased pressure lowers the boiling point
increased pressure raises the boiling point
decreased pressure raises the boiling point
increased pressure lowers the melting point
20.
Clouds float in atmosphere because of their low
density
pressure
velocity
mass
21.
Ganoderma lucidum, is commonly known as __________ mushroom.
22.
The rotational period of the Sun near its poles is ________.
23.
A sound wave has a frequency of 4 k hz and wavelength 2 m. Then the velocity of sound is ____________ .
24.
Different methods of formation of carbon is the main reason for its ____________.
25.
The weight of the body immersed in a liquid appears to be_____________ than its actual weight.
26.
Ongole is an exotic breed of cattle.
27.
Anthraquinones is obtained from Ocimum sanctum.
28.
The process of vaccination was developed by Jenner.
29.
One of the differences between virus and viroid is the presence of protein coat in viroid and its absence in virus.
30.
Aestivation is an adaptation to overcome cold condition.
31.
Poorly developed root is an adaptation of mesophytes.
32.
Satellites nearer to the Earth should have lesser orbital velocity.
33.
ISS is a proof for international cooperation.
34.
Hydraulic press is used in the extraction of oil from oil seeds.
35.
The weight of fluid displaced determines the buoyant force on an object.
36.
BCG
37.
WHO
38.
DPT
39.
HIV
40.
ORS
1.
(c)
Mycorhizae
2.
(a)
Pisciculture
3.
(b)
Plasmodium falciparum
4.
(c)
sublimation
5.
(d)
Astroid
6.
(b)
Nicolaus Copernicus
7.
(b)
Vitamins
8.
(b)
microorganism
9.
(a)
TV transmitter
10.
(d)
increases
11.
(b)
ground glass
12.
(b)
20
13.
(d)
metal plates
14.
(d)
Triangle
15.
(a)
Graphite
16.
(d)
7
17.
(c)
HCl
18.
(a)
one
19.
(b)
increased pressure raises the boiling point
20.
(a)
density
21.
( )
Lingzhi Mushroom
22.
( )
more
23.
( )
800 m/s or 8000 rns-1
24.
( )
Allotropy
25.
( )
lesser
26.
(b)
27.
(b)
28.
(a)
29.
(b)
30.
(b)
31.
(b)
32.
(b)
33.
(a)
34.
(a)
35.
(a)
36.
Bacillus Calmette Guerin
37.
World Health Organisation
38.
Diphtheria, Pertussis, Tetanus
39.
Human Immunodeficiency Virus
40.
Oral Rehydration Solutions
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
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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
