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: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 9 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload 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 fibres consists of
Parenchyma
Sclerenchyma
Collenchyma
None of above
2.
To prevent the entry of food into the trachea, the opening is guarded by__________
epiglottis
glottis
hard palate
soft palate
3.
Acids in plants and animals are organic acids. Whereas acids in rocks and minerals are_________
Inorganic acids
Weak acids
citric acid
ascorbic acid
4.
Atoms having 1, 2 or 3 electrons in its valence shell will readily form_____________
cation
anion
Calcium
electron
5.
Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their__________
atomic numbers
atomic masses
similarities
anomalies
6.
The specific heat capacity of water is
4200 Jkg-1K-1
420 Jg-1K-1
0.42 Jg-1K-1
4.2 Jkg-1K-1
7.
_________ belongs to the generation IV of the computer
Microprocessor
Artificial intelligence
Transistor
Vaccum Tubes
8.
The physician who discovered that scurvy can be cured by ingestion of citrus fruits is ______________
James Lind
Louis Pasteur
Charles Darwin
Isaac Newton
9.
Mesoglea is present in
Porifera
Coelenterata
Annelida
Arthropoda
10.
Change in the number of neutrons in an atom changes it to
an ion
an isotope
an isobar
another element
11.
_________ is used as reflectors in torchlight.
concave mirror
convex mirror
plane mirror
None of these
12.
Slope of the velocity - time graph gives
speed
displacement
distance
acceleration
13.
The tropic movement that helps the climbing vines to find a suitable support is ________.
phototropism
geotropism
thigmotropism
chemotropism
14.
The constituents that form a mixture are also called
Elements
Compounds
Alloys
Components
15.
Rulers, measuring tapes and metre scales are used to measure
Mass
Weight
Time
Length
1.
(b)
Sclerenchyma
2.
(a)
epiglottis
3.
(a)
Inorganic acids
4.
(a)
cation
5.
(a)
atomic numbers
6.
(a)
4200 Jkg-1K-1
7.
(a)
Microprocessor
8.
(a)
James Lind
9.
(a)
Porifera
10.
(b)
an isotope
11.
(a)
concave mirror
12.
(d)
acceleration
13.
(c)
thigmotropism
14.
(d)
Components
15.
(d)
Length
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