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 Part - Three
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.
Which of the following is correct?
Free and Open source
Free and Traditional software
Passive and Open source
Passive and Traditional source
3.
Diptheria affects the
Lungs
Throat
Blood
Liver
4.
Identify the incorrect statement with respect to adaptations of earthworm.
Earthworm has a stream lined body with no antennae or fins.
Each segment of earthworm has setae.
Many earthworms become inactive in a process called hibernation, during winter season.
Earthworms remain in its burrow during day time, to avoid sunlight.
5.
Which of the following does not contain natural dyes?
Potato
Beetroot
Carrot
Turmeric
6.
The maximum speed of vibrations which produces audible sound will be in
seawater
ground glass
dry air
Human blood
7.
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
8.
Electric field lines________ from positive charge and__________ in negative charge.
start; start
end; start
start; end
end; end
9.
Unstriated muscles are found in
blood vessels
gastrointestinal tract
urinary bladder
all of these
10.
The structural and functional unit of the kidney is__________
villi
liver
nephron
ureter
11.
pH value of human blood is_________
7.0
7.4
7.6
7.6
12.
Oxidising agents are also called as____________because they remove electrons form other substances.
electron donors
electron acceptors
reducing agents
Ionic agents
13.
The sprouting of onion and potatoes can be delayed by the process of _______________
irradiation
freezing
Salting
Canning
14.
The area under velocity time graph represents
Velocity of the moving object
Displacement covered by the moving object
Speed of the moving object
15.
The non-directional movement of a plant part in response to temperature is called ________.
thermotropism
Thermonasty
chemotropism
thigmonasty
16.
Identify the animal having four chambered heart
Lizard
Snake
Crocodile
Calotes
17.
When a beam of white light passes through a prism it gets
Reflected
deviated and dispersed
only deviated
refracted
18.
The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)
80, 80, 35
35, 55, 80
35, 35, 80
35, 45, 35
19.
The separation of denser particles from lighter particles done by rotation at high speed is called ________
Filtration
sedimentation
decantation
centrifugation
20.
Which among the following is not a device to measure mass?
Spring balance
Beam balance
Physical balance
Digital balance
1.
(a)
Eudrilus fetida
2.
(a)
Free and Open source
3.
(b)
Throat
4.
(c)
Many earthworms become inactive in a process called hibernation, during winter season.
5.
(a)
Potato
6.
(b)
ground glass
7.
(b)
it has no free electron
8.
(b)
end; start
9.
(d)
all of these
10.
(c)
nephron
11.
(b)
7.4
12.
(b)
electron acceptors
13.
(a)
irradiation
14.
(b)
Displacement covered by the moving object
15.
(b)
Thermonasty
16.
(c)
Crocodile
17.
(b)
deviated and dispersed
18.
(d)
35, 45, 35
19.
(d)
centrifugation
20.
(a)
Spring balance
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
