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 - Eight
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 micro organism helps in fermentation?
Yeast
Mould
Mushroom
Rhizopus
2.
The quality and taste of honey depends upon the flower visited by _____________.
bees
flies
farmer
queen bee
3.
Hydrocarbons on burning in the air give CO2 and _____________.
Water and heat
CO and Heat
Water and CO
Water and Sulphur dioxide
4.
Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.
decrease
increase
remains the same
5.
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.
6.
The carbon atoms in fullerene are arranged in mixed
Tetragon and Pentagon
Pentagon and Hexagon
Hexagon and Heptagon
Heptagon and Octagon
7.
Which of the following are the is a weak bases?
NH4OH & NaOH
Ca(OH)2& KOH
NH4OH & Ca(OH)2
NaOH & KOH
8.
If in the circuit, power dissipation is 150 W, then R - is___________

2\(\Omega \)
6\(\Omega \)
5\(\Omega \)
4\(\Omega \)
9.
Tendon connects
cartilage with muscles
bone with muscles
ligament with muscles
bone with bone
10.
If Dobereiner is related with 'law of triads', then Newlands is related with __________.
Modern periodic law
Hund's rule
Law of octaves
Pauli's Exclusion principle
11.
Find the correct statement about frog.
Heart is three chambered
Two chambered heart
'S' shaped
Heart is four chambered
12.
Lipases are enzymes which breaks down __________.
Proteins
Fats
Carbohydrates
Food
13.
Our bodies contain radioisotopes such as ___________which continuously emit radiation.
Potassium 40
Iodine 131
Cobalt 60
Carbon 14
14.
The second law of refraction is stated by ____________________
C.V. Raman
Gallileo
Newton
Snell
15.
Among the following which one is most biodiverse terrestrial place?
Africa
America
Argentina
Amazon.
16.
To measure the diameter of a thin wire_________is used.
Screw gauge
Water gauge
Meter gauge
Wind gauge
17.
When a body starts from rest, the acceleration of the body after 2 second in _____________ of its displacement.
Half
Twice
Four times
One fourth
18.
The physician who discovered that scurvy can be cured by ingestion of citrus fruits is ______________
James Lind
Louis Pasteur
Charles Darwin
Isaac Newton
19.
Transpiration takes place through _____________.
fruit
seed
flower
stomata
20.
Filtration method is effective in separating _______ mixture
Solid-solid
solid-liquid
liquid-liquid
liquid-gas
1.
(a)
Yeast
2.
(a)
bees
3.
(a)
Water and heat
4.
(a)
decrease
5.
(c)
Many earthworms become inactive in a process called hibernation, during winter season.
6.
(b)
Pentagon and Hexagon
7.
(c)
NH4OH & Ca(OH)2
8.
(b)
6\(\Omega \)
9.
(b)
bone with muscles
10.
(c)
Law of octaves
11.
(a)
Heart is three chambered
12.
(b)
Fats
13.
(a)
Potassium 40
14.
(d)
Snell
15.
(d)
Amazon.
16.
(a)
Screw gauge
17.
(a)
Half
18.
(a)
James Lind
19.
(d)
stomata
20.
(b)
solid-liquid
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