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: 09/12/2020
9th Standard Science Fluids English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
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.
When a solid is partly or wholly immersed in a fluid, it experiences an apparent loss in ____________.
weight
buoyant force
liquid displaced
None
2.
An iron ball is weighed in air and then in water by a spring balance.
Its weight in air is more than in water.
Its weight in water is more than in air
Its weight is same both in air and water.
Its weight is zero in water.
3.
Air gets ____________ as we go down below the sea level like mines
heavier
thinner
greater
lesser
4.
Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.
decrease
increase
remains the same
5.
In CGS system pressure is measured in ____________.
dyne cm-2
dyne
dyne cm-3
None
6.
Instrument used to measure relative density
Hydrometer
Lactometer
Barometer
Pycnometer
7.
Unit of thrust is _____________.
Newton
Pascal
cm3
km
8.
An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom as shown in graph. This is because

more volume of liquid is dispaced
more weight of liquid is displaced
pressure increases with depth
all the above
9.
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
10.
Clouds float in atmosphere because of their low
density
pressure
velocity
mass
1.
(a)
weight
2.
(a)
Its weight in air is more than in water.
3.
(a)
heavier
4.
(a)
decrease
5.
(a)
dyne cm-2
6.
(d)
Pycnometer
7.
(a)
Newton
8.
(c)
pressure increases with depth
9.
(b)
increased pressure raises the boiling point
10.
(a)
density
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