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 Book Back 1 Mark Questions with Answer Key Part - 3
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.
Binomial name of Nilavembu is
Leucas aspera
Andrographis paniculata
Crotolaria juncea
Cassia fistula
2.
Which one of the following is not an exotic breed of cow?
Jersey
Holstein-Friesan
Sahiwal
Brown Swiss
3.
_________is an Operating System.
Android
Chrome
Internet
Pendrive
4.
The primary organ infected during tuberculosis is
bone marrow
intestine
spleen
lungs
5.
All the factors of biosphere which affect the ability of organisms to survive and reproduce are called as _______________.
biological factors
abiotic factors
biotic factors
physical factors
6.
The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?
4
5
2
3
7.
Raagav brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of
Polystyrene
PVC
Polypropylene
LDPE
8.
Clouds float in atmosphere because of their low
density
pressure
velocity
mass
9.
Which of the following is a complex tissue?
Parenchyma
Collenchyma
Xylem
Sclerenchyma
10.
The structural and functional unit of the kidney is__________
villi
liver
nephron
ureter
11.
The nature of the tooth paste commonly used is in nature
acidic
basic
neutral
neutral
12.
The element that would form anion by gaining electrons in a chemical reaction is ___________.
Potassium
Calcium
Fluorine
Iron
13.
The unit of magnetic flux density is
weber
weber/metre
weber/metre2
weber. metre2
14.
The specific heat capacity of water is
4200 Jkg-1K-1
420 Jg-1K-1
0.42 Jg-1K-1
4.2 Jkg-1K-1
15.
Food and Adulteration Act was enforced by Government of India in the year __________.
1964
1954
1950
1963
16.
Find the group having only marine members
Mollusca
Porifera
Coelenterata
Echinodermata
17.
When the reflecting surface is curved outwards the mirror formed will be
concave mirror
convex mirror
plane mirror
spherical mirror
18.
______ is essential to perform separation by solvent extraction method.
Separating funnel
centrifuge machine
filter paper
sieve
19.
A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be
+4 ms-2
‒4 ms-2
‒0.25 ms-2
+0.25 ms-2
20.
Transpiration is best defined as _________
loss of water by the plant
evaporation of water from the aerial surfaces from the plant
loss of water in the form of water vapour from the underground parts of the plant body
release of water from the plant into the atmosphere
1.
(b)
Andrographis paniculata
2.
(c)
Sahiwal
3.
(a)
Android
4.
(d)
lungs
5.
(b)
abiotic factors
6.
(a)
4
7.
(c)
Polypropylene
8.
(a)
density
9.
(c)
Xylem
10.
(c)
nephron
11.
(b)
basic
12.
(c)
Fluorine
13.
(c)
weber/metre2
14.
(a)
4200 Jkg-1K-1
15.
(b)
1954
16.
(d)
Echinodermata
17.
(a)
concave mirror
18.
(a)
Separating funnel
19.
(a)
+4 ms-2
20.
(b)
evaporation of water from the aerial surfaces from the plant
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