100% FREE ACCESS9th 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 with Answer Key 2020 - 2021 Part - 6
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 of the following is not a member of the solar system?
An asteroid
A satellite
A constellation
A comet
2.
Diamond is not a good conductor of electricity because
it is very hard
it has no free electron
its structure is uniform
it is insoluble in water
3.
Which of the following solution is soapy to touch?
Acidic
Basic
Salt
Aqua regia
4.
d-block elements are otherwise known as_______
transition elements
inner transition elements
halogens
alkali metals
5.
Name the cable that connects CPU to the monitor.
Ethernet
VGA
HDMI
USB
6.
Which of the following is not a salivary gland?
Sublingual
Lachrymal
Submaxillary
Parotid
7.
You are given pure water to test the pH value using pH paper. It shows colour
White
black
green
black
8.
Elements in the modern periodic table are arranged in__________ groups and __________ periods.
7,18
18,7
17,8
8, 17
9.
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
10.
The body of soft-bodied animals are covered by__________.
Spicules
Scales
Bristles
Mantle
11.
Find the incorrect pair.
Earthworm - Metamerism
Roundworm - Pseudocoelom
Hydra Polyp - Medusa
Starfish - Asymmetrical
12.
Identify the protein deficiency disease
Marasmus
Pellagra
bow legs
Goitre
13.
Maximum number of electrons that can be accommodated in an energy level is given by the formula ___________
n2
2n2
3n2
2n3
14.
Gas particles can be forced to get closer and can be easily compressed. So _______ increases.
pressure
volume
mass
weight
15.
Identify the emerald green sea slug________________.
Vaucheria litorea
Nepenthes
Drosera
Elysia chlorotica
16.
A body moving along a circular path has _______
constant speed
constant velocity
no radial acceleration
no tangential velocity
17.
Density is_________.
\(\frac{volume}{mass}\)
\(\frac{mass}{volume}\)
\(\frac{area}{volume}\)
\(\frac{volume}{area}\)
18.
Force involved in uniform circular motion is given by _____________.
f = mv2/r
f = mvr
f = mr2/v
f = v2/r
19.
Find the group having only marine members
Mollusca
Porifera
Coelenterata
Echinodermata
20.
Among the following the odd pair is
8O18,9F19
18Ar40,7N14
14Si30, 15P31
24Cr54, 19K39
1.
(c)
A constellation
2.
(b)
it has no free electron
3.
(b)
Basic
4.
(a)
transition elements
5.
(b)
VGA
6.
(b)
Lachrymal
7.
(c)
green
8.
(b)
18,7
9.
(a)
Copper rod
10.
(d)
Mantle
11.
(d)
Starfish - Asymmetrical
12.
(a)
Marasmus
13.
(b)
2n2
14.
(a)
pressure
15.
(d)
Elysia chlorotica
16.
(a)
constant speed
17.
(b)
\(\frac{mass}{volume}\)
18.
(a)
f = mv2/r
19.
(d)
Echinodermata
20.
(d)
24Cr54, 19K39
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
