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 - Five
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 not an exotic breed of cow?
Jersey
Holstein-Friesan
Sahiwal
Brown Swiss
2.
One of the means of indirect transmission of a disease is
sneezing
coughing
vectors
droplet infection
3.
Chlorinated hydrocarbons are used as
fertilizers
pesticides
food colourants
preservatives
4.
The carbon atoms in fullerene are arranged in mixed
Tetragon and Pentagon
Pentagon and Hexagon
Hexagon and Heptagon
Heptagon and Octagon
5.
The size of an air bubble rising up in water
decreases
increases
remains same
may increase or decrease
6.
Brush bordered epithelium is found in
stomach
small intestine
fallopian tube
trachea
7.
Excretion means______
taking in oxygen from the air and giving out carbon dioxide
disposal of harmful germs and worms from our body
distribution of digested food to the body tissues through blood
removal of nitrogenous wastes generated in the body
8.
pH value of human blood is_________
7.0
7.4
7.6
7.6
9.
The element that would form anion by gaining electrons in a chemical reaction is ___________.
Potassium
Calcium
Fluorine
Iron
10.
An electric generator converts
electrical energy into mechanical energy
mechanical energy into heat energy
electrical energy into electrical energy
mechanical energy into electrical energy
11.
Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?
Copper rod
Aluminium rod
Both of them
None of them
12.
The outermost shell of an atom is called its________ shell.
inner
outer
valence
sub shell
13.
A mixture can be separated into its constituents by_____
Physical
Chemical
Electrical
Magnetic
14.
The radius of curvature of the spherical mirror is equal to __________.
focal length
twice the focal length
thrice the focal length
half of the focal length
15.
The velocity time graph is parallel to X-axis it shows _______.
uniform velocity of an object
non-uniform velocity
stationary position of an object
acceleration motion of an object
16.
Food and Adulteration Act was enforced by Government of India in the year __________.
1964
1954
1950
1963
17.
Find the group having only marine members
Mollusca
Porifera
Coelenterata
Echinodermata
18.
When a beam of white light passes through a prism it gets
Reflected
deviated and dispersed
only deviated
refracted
19.
______ is essential to perform separation by solvent extraction method.
Separating funnel
centrifuge machine
filter paper
sieve
20.
The tropic movement that helps the climbing vines to find a suitable support is ________.
phototropism
geotropism
thigmotropism
chemotropism
1.
(c)
Sahiwal
2.
(c)
vectors
3.
(b)
pesticides
4.
(b)
Pentagon and Hexagon
5.
(b)
increases
6.
(d)
trachea
7.
(d)
removal of nitrogenous wastes generated in the body
8.
(b)
7.4
9.
(c)
Fluorine
10.
(d)
mechanical energy into electrical energy
11.
(a)
Copper rod
12.
(c)
valence
13.
(a)
Physical
14.
(b)
twice the focal length
15.
(a)
uniform velocity of an object
16.
(b)
1954
17.
(d)
Echinodermata
18.
(b)
deviated and dispersed
19.
(a)
Separating funnel
20.
(c)
thigmotropism
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