9th Standard Syllabus & Materials
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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
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Published on: 08/12/2020
9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Seven
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 one of the following is refered as red worms?
Eudrilus fetida
Eudrilus eugieniae
Perionyx excavatus
Lampito mauritii
2.
The cathode of an electrochemical reaction involves ____________
oxidation
reduction
neutralisation
catenation
3.
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through
wax
vacuum
water
empty vessel
4.
The pH value of neutral solution is______
=7
<7
none of the above
-7
5.
Unstriated muscles are found in
blood vessels
gastrointestinal tract
urinary bladder
all of these
6.
Which of the following is not a part of female reproductive system?
Ovary
Uterus
Testes
Fallopian tube
7.
Ice does not melt rapidly because of
high specific heat capacity
high latent heat of fusion
high heat capacity
high latent heat of fusion
8.
Oxidising agents are also called as____________because they remove electrons from other substances.
electron donors
electron acceptors
reducing agents
Ionic agents
9.
An electric generator converts
electrical energy into mechanical energy
mechanical energy into heat energy
electrical energy into electrical energy
mechanical energy into electrical energy
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.
Vitamin E is otherwise known as _________ .
Riboflavin
Thiamine
Tocopherol
Calciferol
13.
Gel are______solutions with liquid dispersed in solid
True
Suspension
Colloid
Homogeneous
14.
___________________% of water is used to produce carbohydrates by the plants.
0.01%
0.001%
0.1%
0.6%.
15.
Mirrors having spherical surface of reflection are __________________
plane mirror
lenses
spherical mirrors
prism
16.
The plant which respond to gravity is termed as_________________.
Gravitropism
Thermotropism
Seismotropism
Phototropism
17.
Unit of time is_________.
km
mm
second
cm
18.
Poikilothermic organisms are
Fish, Frog, lizard, man
Fish, Frog, lizard, cow
Fish, Frog, lizard, snake
Fish, Frog, lizard, crow
19.
Among the following the odd pair is
8O18,9F19
18Ar40,7N14
14Si30, 15P31
24Cr54, 19K39
20.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is
0o
45o
90o
120o
1.
(a)
Eudrilus fetida
2.
(b)
reduction
3.
(b)
vacuum
4.
(a)
=7
5.
(d)
all of these
6.
(c)
Testes
7.
(d)
high latent heat of fusion
8.
(b)
electron acceptors
9.
(d)
mechanical energy into electrical energy
10.
(d)
Mantle
11.
(d)
Starfish - Asymmetrical
12.
(c)
Tocopherol
13.
(c)
Colloid
14.
(c)
0.1%
15.
(c)
spherical mirrors
16.
(a)
Gravitropism
17.
(c)
second
18.
(c)
Fish, Frog, lizard, snake
19.
(d)
24Cr54, 19K39
20.
(b)
45o
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