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 - Nine
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 correctly matched?
Apiculture - Honey bee
Pisciculture- Silk moth
Sericulture - Fish
Aquaculture - Mosquito
2.
Which part of plant consisting Nitrogen fixing bacteria?
Roots
Stems
Leaves
All the above
3.
Stars in a constellation form _____________.
No shape
any arbitrary shape
a recognisable shape
a straight line always
4.
Which one of the following is a pair of viral disease?
Filariasis, AIDS
Common cold, AIDS
Dysentry, Common cold
Typhoid, Tuberculosis
5.
The cathode of an electrochemical reaction involves ____________
oxidation
reduction
neutralisation
catenation
6.
In the sound wave produced by a vibrating turning fork as shown in the diagram, half the wave length is represented by:

BD
AB
AE
DE
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.
__________cable helps to establish internet connectivity.
Power card
Audio jack
Ethernet
USB
9.
The function of phloem fibres is__________
passage of food
store food
mechanical strength
preparation of food
10.
The fibres consists of
Parenchyma
Sclerenchyma
Collenchyma
None of above
11.
Excretion means______
taking in oxygen from the air and giving out carbon dioxide
disposal of harmful germs and worms from our body
distribution of digested food to the body tissues through blood
removal of nitrogenous wastes generated in the body
12.
An electric generator converts
electrical energy into mechanical energy
mechanical energy into heat energy
electrical energy into electrical energy
mechanical energy into electrical energy
13.
Among the following which one is not herbivore ___________.
Elephant
Cow
Zebra
Tiger
14.
Law of multiple proportions was proposed by _________
J. Ritcher
Rutherford
John Dalton
J.J Thomson
15.
Lipids provide _____ kcal energy per gram.
8 k Cal
9 k Cal
10 k Cal
12 k Cal
16.
If velocity of a body decreases in equal intervals of time it is termed ______
uniform acceleration
non-uniform acceleration
negative acceleration
positive acceleration
17.
Data processing involves________ steps
seven
four
six
eight
18.
Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.
geonasty
thigmonasty
chemonasty
photonasty
19.
When the reflecting surface is curved outwards the mirror formed will be
concave mirror
convex mirror
plane mirror
spherical mirror
20.
1 metric ton is equal to
100 quintals
10 quintals
1/10 quintals
1/100 quintals
1.
(a)
Apiculture - Honey bee
2.
(a)
Roots
3.
(c)
a recognisable shape
4.
(b)
Common cold, AIDS
5.
(b)
reduction
6.
(b)
AB
7.
(c)
A is right R is wrong
8.
(c)
Ethernet
9.
(c)
mechanical strength
10.
(b)
Sclerenchyma
11.
(d)
removal of nitrogenous wastes generated in the body
12.
(d)
mechanical energy into electrical energy
13.
(d)
Tiger
14.
(c)
John Dalton
15.
(b)
9 k Cal
16.
(c)
negative acceleration
17.
(c)
six
18.
(d)
photonasty
19.
(a)
concave mirror
20.
(b)
10 quintals
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