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 with Answer Key 2020 - 2021 Part - 4
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.
The major constituent of vinegar is
citric acid
acetic acid
oxalic acid
hydrochloric acid
2.
Which of the following does not contain natural dyes?
Potato
Beetroot
Carrot
Turmeric
3.
When the pitch of note by a harmonium is lowered, then the wave length of the note
first decreases and then increases
decreases
remains the same
increases
4.
In a pressure cooker, the food is cooked faster because
increased pressure lowers the boiling point
increased pressure raises the boiling point
decreased pressure raises the boiling point
increased pressure lowers the melting point
5.
Potential near a charge is the measure of its________ to bring a positive charge at that point.
force
ability
tendency
work
6.
Which muscles act involuntary?
(i) Striated muscles
(iii) Cardiac muscles
(ii) Smooth muscles
(iv) Skeletal muscles
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)
7.
Acids turn blue litmus paper to_______
Green
Red
Orange
Pink
8.
Transformer works on.
AC only
DC only
both AC and DC
AC nor effectively than DC
9.
Calorie is the unit of
heat
work
temperature
food
10.
Larva of frog is_________.
Trochophore
Asicidian
Tadpole
Balanoglossus
11.
Identify the most common larva of segmented worms?
Bipinnaria
Tadpole
Trochophore
Ascon
12.
Identify the monosaccharide
Amylose
Sucrose
Glucose
Lactose
13.
The direct change of state from solid to gas is called______
filtration
decantation
sublimation
evaporation
14.
The mirror used by a dental surgeon is _______________________
plane
convex
concave and convex
concave
15.
___________________% of water is used to produce carbohydrates by the plants.
0.01%
0.001%
0.1%
0.6%.
16.
_________is not the unit of length.
Muzham
Furlong
Mile
Hour
17.
Chlorophyll in a leaf is required for __________.
photosynthesis
transpiration
tropic movement
nastic movement
18.
The separation of denser particles from lighter particles done by rotation at high speed is called ________
Filtration
sedimentation
decantation
centrifugation
19.
The centrifugal force is
Real force
The force of reaction of centripetal force
Virtual force
Directed towards the centre of the circular path.
20.
Which among the following is not a device to measure mass?
Spring balance
Beam balance
Physical balance
Digital balance
1.
(b)
acetic acid
2.
(a)
Potato
3.
(d)
increases
4.
(b)
increased pressure raises the boiling point
5.
(a)
force
6.
(b)
(ii) and (iii)
7.
(b)
Red
8.
(a)
AC only
9.
(a)
heat
10.
(c)
Tadpole
11.
(c)
Trochophore
12.
(c)
Glucose
13.
(c)
sublimation
14.
(d)
concave
15.
(c)
0.1%
16.
(d)
Hour
17.
(a)
photosynthesis
18.
(d)
centrifugation
19.
(b)
The force of reaction of centripetal force
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
