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 - 3
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.
Microbes that generally enter the body through nose are likely to affect
gut
lungs
liver
lymph nodes
2.
In some xerophytes, leaves are modified into spines as an adaptation ________________.
to reduce transpiration rate
to store water
to reduce consumption of water
all of the above
3.
Number of free electron(s) in each carbon of graphite is
one
Two
Three
Four
4.
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
5.
Bases ionise in water to form______ions
H+
H3O+
OH-
O2-
6.
Gastric glands do not secrete__________
renin
pepsin
lipase
none of the above
7.
Noble gases are placed in_____________ group in the modern periodic table.
13th
18th
17th
2nd
8.
Nerve cell does not contains
axon
nerve endings
tendons
dendrites
9.
The temperature at which a liquid gets converted into its vapour state is called its________
melting point
boiling point
dew point
freezing point
10.
Bond formed between a metal and non-metal atom is usually____________
ionic bond
covalent bond
co-ordinate bond
metallic bond
11.
SI unit of temperature is
fahrenheit
joule
celsius
kelvin
12.
Lipases are _________.
Carbohydrates
Vitamins
Minerals
Enzymes
13.
All life can be divided into________major categories.
one
two
three
four
14.
Scaly skin, nerve disorders are due to the deficiency of ______
Vitamin B3
Vitamin B6
Vitamin B12
Vitamin B2
15.
The pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant_______
volume
temperature
pressure
rate
16.
Shoots are said to_____________.
Negative phototropism
Positive phototropism
Positive hydrotropism
Negative chemotropism
17.
The slope of the velocity time graph for uniformly accelerated motion give _____
speed
acceleration
displacement
velocity
18.
The animal without skull is
Acrania
Acephalia
Apteria
Acoelomate
19.
The area under velocity time graph represents
Velocity of the moving object
Displacement covered by the moving object
Speed of the moving object
20.
______ is essential to perform separation by solvent extraction method.
Separating funnel
centrifuge machine
filter paper
sieve
1.
(b)
lungs
2.
(a)
to reduce transpiration rate
3.
(a)
one
4.
(c)
pressure increases with depth
5.
(c)
OH-
6.
(c)
lipase
7.
(b)
18th
8.
(c)
tendons
9.
(b)
boiling point
10.
(a)
ionic bond
11.
(d)
kelvin
12.
(d)
Enzymes
13.
(b)
two
14.
(b)
Vitamin B6
15.
(b)
temperature
16.
(b)
Positive phototropism
17.
(b)
acceleration
18.
(a)
Acrania
19.
(b)
Displacement covered by the moving object
20.
(a)
Separating funnel
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
