6th Standard Syllabus & Materials
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Published on: 05/09/2026
Download Tamil Nadu 6th 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 Test
1.
_________is a Operating System.
Android
Chrome
Internet
Pendrive
2.
Find out Paid and Proprietary software from the given list
Windows
MAC OS
Adobe Photoshop
All the above
3.
LINUX is a
Paid Software
Licensed Software
Free and Proprietary software
Free and Open source software
4.
Which of the following is correct?
Free and Open source
Free and Traditional software
Passive and Open source
Passive and Traditional source
5.
Find out the part that is not found in CPU?
Mother Board
SMPS
RAM
Mouse
6.
Which is the national tree of India?
Neem tree
Jack tree
Banyan tree
Mango tree
7.
Which of the following medicinal plants has anticancer properties?
Amla
Tulasi
Turmeric
Aloe
8.
Which of the following is not a root ?
Potato
Carrot
Radish
Turnip
9.
Natural Mosquito repellant is
Nutmag
Bamboo
Ginger
Neem
10.
One of the following birds is an example of plant pollinator
Duck
Parrot
Humming bird
Dove
11.
Usage of chemical pesticides and fertilisers causes ________ pollution.
Air pollution
Water pollution
Noise pollution
None of the above
12.
It is an undesirable change that occurs in air and water.
Recycling
Reuse
Pollution
Reduce
13.
It is a biodegradable waste.
Plastic
Coconut Shell
Glass
Aluminium
14.
Producers are________
Animals
Birds
Plants
Snakes
15.
Identify the fresh water ecosystem.
Pond
Lake
River
All of them
16.
Natural adhesives are made from ________.
Protein
fat
starch
vitamins
17.
Phenol is ______.
carbolic acid
acetic acid
benzoic acid
hydrochloric acid
18.
Gypsum is added to the cement for_______.
fast setting
delayed setting
hardening
making paste
19.
The saponification of a fat or oil is done using _______________ solution for hot process.
Potassium hydroxide
Sodium hydroxide
Hydrochloric acid
Sodium chloride
20.
Soaps were originally made from___________ .
proteins
animal fats and vegetable oils
chemicals extracted from the soil
foam booster
21.
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is________.
make the expelled water go and seep near the bore well
use it for watering plants
to drink the expelled water after boiling and cooling
to use for cooking as the water is full of many nutrients
22.
About 30% of the fresh water is found in?
glaciers
ground water
other sources of water
0.3%
23.
Which of the following processes add water vapour to the atmosphere?
i. Transpiration
ii. Precipitation
iii. Condensation
iv. Evaporation
ii and iii
ii and iv
i and iv
i and ii
24.
Which of the following is not a part of water cycle?
evaporation
condensation
rain
distillation
25.
Around 97% of water available on earth is________ water
fresh
pure
salty
polluted
26.
Mariner’s compass is used to find the
speed
displacement
direction
motion
27.
Magnets lose their properties when they are
used
stored
hit with a hammer
cleaned
28.
A freely suspended magnet always comes to rest in the ________direction
North - east
South - west
East - west
North - south
29.
People who made mariner’s compass for the first time.
Indians
Europeans
Chinese
Egyptians
30.
An object that is attracted by magnet.
wooden piece
plain pins
eraser
a piece of paper
31.
The edible seeds of leguminous plants are called_________.
32.
The juice of the leaves of_____ plant relieves cough and bronchitis.
33.
I am the state tree of Tamilnadu . Who am I _____ ?
34.
_________is an example of textile fibre.
35.
Every year, October ______ is celebrated as world food day.
36.
The 3R’s are Reduce, __________ and Recycle.
37.
Water pollution can spread __________diseases in man.
38.
__________ is the process of converting waste materials into new materials.
39.
Temperature, light and wind are ________ factors.
40.
Primary consumers that eat plants are called _________.
41.
_________ is an example for natural adhesive.
42.
___________ fertilizer is ecofriendly.
43.
____________ is called as farmer’s best friend.
44.
Water, coconut oil and __________ are necessary for soap preparation.
45.
_________ gas causes tears in our eyes while cutting onions.
46.
Water cycle is also called as_______.
47.
Water levels in rivers increase greatly during________.
48.
_________is built on rivers to regulate water flow and distribute water.
49.
The process of changing water into its vapour is called________.
50.
Only _____percent of natural water is available for human consumption.
51.
A magnet always has __________ poles.
52.
In olden days, sailors used to find direction by suspending a piece of ___________.
53.
Paper is not a ______ material.
54.
The Materials which are attracted towards the magnet are called________.
55.
Artificial magnets are made in different shapes such as __________, __________ and ____________.
56.
LINUX
57.
Keyboard
58.
Hardware
59.
Software
60.
MAC OS
61.
Millet
62.
Clove
63.
Neem
64.
Hardwood
65.
Fibre yielding plant
66.
Smoke
67.
Desert
68.
Fertilizers
69.
Sewage
70.
Biotic factor
71.
Phenol
72.
Gypsum
73.
Fertilizers
74.
Cement
75.
Soap
76.
Frozen water
77.
Cloud
78.
Sun light
79.
Surface water
80.
Flood
81.
Magnetic poles
82.
Repulsion
83.
Attraction
84.
Compass
85.
Attraction, repulsion, pointing direction, illumination.
86.
Lift, escalator, electromagnetic train, electric bulb.
87.
Iron nail, pins, rubber tube , needle.
1.
(a)
Android
2.
(d)
All the above
3.
(d)
Free and Open source software
4.
(a)
Free and Open source
5.
(d)
Mouse
6.
(c)
Banyan tree
7.
(a)
Amla
8.
(a)
Potato
9.
(d)
Neem
10.
(c)
Humming bird
11.
(b)
Water pollution
12.
(c)
Pollution
13.
(b)
Coconut Shell
14.
(c)
Plants
15.
(d)
All of them
16.
(c)
starch
17.
(a)
carbolic acid
18.
(b)
delayed setting
19.
(b)
Sodium hydroxide
20.
(b)
animal fats and vegetable oils
21.
(b)
use it for watering plants
22.
(b)
ground water
23.
(c)
i and iv
24.
(d)
distillation
25.
(c)
salty
26.
(c)
direction
27.
(c)
hit with a hammer
28.
(d)
North - south
29.
(c)
Chinese
30.
(b)
plain pins
31.
( )
Pulses.
32.
( )
Tulsi
33.
( )
Palm tree
34.
( )
Cotton
35.
( )
16
36.
( )
Reuse
37.
( )
Diseases
38.
( )
Recycling
39.
( )
Abiotic
40.
( )
Herbivore
41.
( )
Starch
42.
( )
Natural (Organic)
43.
( )
Earthworm
44.
( )
Sodium hydroxide
45.
( )
Propane thiols oxide
46.
( )
hydrological cycle
47.
( )
rainy days
48.
( )
Dams
49.
( )
evaporation
50.
( )
3
51.
( )
two
52.
( )
lode stones
53.
( )
magnetic
54.
( )
magnetic Materials
55.
( )
Oval shape, Disc shape, Cylindrical shape
56.
Free and Open source Software
57.
Input Device
58.
RAM
59.
Geogebra
60.
Paid and Proprietary Software
61.
Cereals
62.
Spice
63.
Chloramine
64.
Teakwood
65.
Hemp
66.
Air pollution
67.
Terrestrial Ecosystem
68.
Land pollution
69.
Water Pollution
70.
Animals
71.
C6H5 OH
72.
CaSO4.2H2O
73.
NPK
74.
RCC
75.
NaOH
76.
Pole
77.
Water vapour
78.
Evaporation
79.
Lake
80.
Increased rain fall
81.
Maximum magnetic strength
82.
Like poles
83.
Opposite poles
84.
Magnetic needle
85.
illumination
Reason: illumination is not a magnetic Property.
86.
Electric bulb
Reason: Electro magnet is not used in electrlc bulb.
87.
Rubber tube
Reason: Rubber tube is a non-magnetic substances.
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