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 Book Back 1 Mark Questions Part - One
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 is one of the strategies to conserve water?
Water recycling
Increasing the number of bore wells
Using large overhead water tanks
Watering the plants using hose
2.
The Big Bang occurred ________ years ago.
13.7 billion
15 million
15 billion
20 million
3.
Which of the following does not contain natural dyes?
Potato
Beetroot
Carrot
Turmeric
4.
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through
wax
vacuum
water
empty vessel
5.
Graphite is used as lubricant in machines because
it is good conductor of electricity
it is made of slippery layers and has high melting point
it has high density
it is strong and soft
6.
The following is not a safety device.
Fuse
Trip switch
Ground connection
Wire
7.
Which of the following is a complex tissue?
Parenchyma
Collenchyma
Xylem
Sclerenchyma
8.
Bile helps in the digestion of________
proteins
sugar
fats
carbohydrates
9.
Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________
NO2
SO2
CO2
SO4
10.
The element that would form anion by gaining electrons in a chemical reaction is ___________.
Potassium
Calcium
Fluorine
Iron
11.
Transformer works on.
AC only
DC only
both AC and DC
AC nor effectively than DC
12.
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
13.
Food and Adulteration Act was enforced by Government of India in the year __________.
1964
1954
1950
1963
14.
A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of ____________.
chemotropism
thigmotropism
phototropism
geotropism
15.
Which is not a feature of chordates
Green glands
Sweat glands
Sebaceous gland
Mammary gland
16.
A real and enlarged image can be obtained by using a
convex mirror
plane mirror
concave mirror
17.
The correct electronic configuration of potassium is
2,8,9
2,8,1
2,8,8,1
2,8,8,3
18.
A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be
+4 ms-2
‒4 ms-2
‒0.25 ms-2
+0.25 ms-2
19.
__________ has the same properties throughout the sample
Pure substance
Mixture
Colloid
Suspension
20.
Rulers, measuring tapes and metre scales are used to measure
Mass
Weight
Time
Length
1.
(a)
Water recycling
2.
(a)
13.7 billion
3.
(a)
Potato
4.
(b)
vacuum
5.
(b)
it is made of slippery layers and has high melting point
6.
(d)
Wire
7.
(c)
Xylem
8.
(c)
fats
9.
(c)
CO2
10.
(c)
Fluorine
11.
(a)
AC only
12.
(a)
4200 Jkg-1K-1
13.
(b)
1954
14.
(c)
phototropism
15.
(a)
Green glands
16.
(c)
concave mirror
17.
(c)
2,8,8,1
18.
(a)
+4 ms-2
19.
(a)
Pure substance
20.
(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
