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 - Six
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.
In a covalent bond formation
transfer of electrons takes place
equal sharing of electrons between two atoms takes place.
electrons are shared by one atom only.
electrons are donated by one atom and shared by both atoms.
2.
Which of the following are infrasonic waves?
5 kHz
25 Hz
10 Hz
15000 Hz
3.
Which of the following are Indian cattle?
i. Bos indicus
ii. Bos domesticus
iii. Bos bubalis
iv. Bos vulgaris
i and ii
i and iii
ii and iii
iii and iv
4.
The antibiotic Penicillin is obtained from ___________
plant
microorganism
animal
sunlight
5.
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
6.
The act of bringing swallowed food back to the mouth is called___________
egestion
ingestion
micturition
regurgitation
7.
Assertion (A): Non-metals are electronegative.
Reason (R) : Non-metal lose electrons to form cation
Both A & R are right
Both A & R are wrong
A is right R is wrong
A is wrong R is right
8.
The function of phloem fibres is__________
passage of food
store food
mechanical strength
preparation of food
9.
In a certain type of cell division the diploid number of chromosome is reduced to half. This kind of division occurs in
testis
ovary
both ovary and testis
all body cells
10.
Ice does not melt rapidly because of
high specific heat capacity
high latent of fusion
high heat capacity
high latent heat of fusion
11.
The element that would form anion by gaining electrons in a chemical reaction is ___________.
Potassium
Calcium
Fluorine
Iron
12.
Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?
Copper rod
Aluminium rod
Both of them
None of them
13.
The binomial name of star fish is_________.
Pila globosa
Asterias rubens
Hydra vulgaris
Amoebaproteus
14.
Blood clot is prevented by the vitamin _________ .
A
D
E
K
15.
Elements which have valence electrons 1 or 2 or 3 are ____________
metal
non-metal
rare metal
valuable metal
16.
Identify the emerald green sea slug________________.
Vaucheria litorea
Nepenthes
Droseta
Elysia chlorotica
17.
The velocity time graph is parallel to X-axis it shows _______.
uniform velocity of an object
non-uniform velocity
stationary position of an object
acceleration motion of an object
18.
Which is not a feature of chordates
Green glands
Sweat glands
Sebaceous gland
Mammary gland
19.
Change in the number of neutrons in an atom changes it to
an ion
an isotope
an isobar
another element
20.
The area under velocity – time graph represents the
velocity of the moving object
displacement covered by the moving object
speed of the moving object
acceleration of the moving object
1.
(b)
equal sharing of electrons between two atoms takes place.
2.
(c)
10 Hz
3.
(b)
i and iii
4.
(b)
microorganism
5.
(b)
20
6.
(d)
regurgitation
7.
(c)
A is right R is wrong
8.
(c)
mechanical strength
9.
(c)
both ovary and testis
10.
(d)
high latent heat of fusion
11.
(c)
Fluorine
12.
(a)
Copper rod
13.
(b)
Asterias rubens
14.
(a)
A
15.
(a)
metal
16.
(d)
Elysia chlorotica
17.
(a)
uniform velocity of an object
18.
(a)
Green glands
19.
(b)
an isotope
20.
(b)
displacement covered by the moving object
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
