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Published on: 13/07/2024
MF SCI BB 7
Download Tamil Nadu 7th 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.
| A | B | C |
| 1. Melting | Change of state from liquid to solid | Ticking of clock |
| 2. Condensation | Change of state from liquid to gas | Formation of ice cube |
| 3. Evaporation | Change of state from solid to liquid | Collecting flowers |
| 4. Freezing | Change of state from gas to liquid | Ice cube to water |
| 5. Periodic change | Occurs at irregular time intervals | Water to steam |
| 6. Non-periodic change | Occurs at regular time intervals | Steam to water drops |
2.
Goat
3.
Sweet Liquid
4.
Broilers
5.
Peace silk
6.
Cocoons
7.
Carbon – di –oxide
8.
Phosphorus
9.
Antacid
10.
Analgesic
11.
Antipyretic
12.
Rayon
13.
Teflon
14.
Bakelite
15.
PVC
16.
Nylon
17.
Mangalyaan
18.
Chandrayaan-2
19.
GSAT-19
20.
GSAT-14
21.
Rohini
22.
Band of seven colors
23.
The sun
24.
Regular reflection
25.
Wide light source
26.
The Moon
27.
Fire fly
28.
Plane Mirror
29.
Rectilinear propagation
30.
Animalia
31.
Plantae
32.
Fungi
33.
Protista
34.
Monera
35.
Food producer
36.
Power house
37.
Control room
38.
Suicidal bag
39.
Transporting channel
40.
Fuse
41.
Miniature circuit Breaker
42.
Circuit
43.
Switch
44.
Cell
45.
Melting point of water
46.
Boiling point of water
47.
Heat
48.
Normal temperature of human body
49.
Clinical thermometer
50.
Mass
51.
Volume
52.
Density
53.
Length
54.
Area
55.
Mass
56.
Volume
57.
Density
58.
Stability
59.
Centre of gravity of the geometrical shaped objects
60.
Speed of ship
61.
Light travelling through vacuum
62.
Positively charged Particle
63.
Hydrogen
64.
Iron
65.
Neutral Particle
66.
Valency
67.
Typhoid
68.
Hepatitis
69.
Tuberculosis
70.
Cholera
71.
Rabies
72.
Displacement
73.
Distance
74.
Area
75.
Sucker
76.
Hooks
77.
Phylloclade
78.
Fern
79.
Petal
80.
Video Story
81.
Virtual Reality
82.
Vector
83.
Raster
84.
Animations
1.
| A | B | C |
| 1. Melting | Changes of state from solid to liquid | Ice cube to water |
| 2. Condensation | Change of state from gas to liquid | Steam to water drops |
| 3. Evaporation | Change of state from liquid to gas | Water to steam |
| 4. Freezing | Change of state from liquid to solid | Formation of ice cube |
| 5. Periodic change | Occurs at regular time intervals | Ticking of clock |
| 6. Non-periodic change | Occurs at inegular time intervals | Collecting flowers |
2.
Meat
3.
Honey
4.
Poultry
5.
Andhra Pradesh
6.
Silk worm
7.
leads to respiratory problem
8.
spontaneous combustion
9.
ORS Solution
10.
reduce pain
11.
reduce body temperature
12.
Wood pulp
13.
Non-stick cookwares
14.
Thermosetting plastic
15.
Thermoplastic
16.
Fibre
17.
PSLV-XL C25
18.
GSLV Mark III M1
19.
GSLV-Mark III
20.
GSLV-D5
21.
SLV-3
22.
Spectrum of light
23.
Primary source of light
24.
Glossy surface
25.
Penumbra
26.
Non-luminous object
27.
luminous object
28.
Periscope
29.
Pinhole camera
30.
Butterfly
31.
Neem
32.
Moulds
33.
Euglena
34.
Bacteria
35.
Chloroplast
36.
Mitochondria
37.
Nucleus
38.
Lysosome
39.
Endoplasmic reticulum
40.
Reset by hand, circuit becomes complete once again
41.
safety device used in electric circuit
42.
A complete path for the flow of an electric current
43.
Used to open or close a circuit
44.
A device which converts chemical energy into electrical energy.
45.
0oC
46.
100°C
47.
A form of energy
48.
37°C
49.
Kink
50.
amount of a substance
51.
measuring jar
52.
g / cm3
53.
rope
54.
plane figures
55.
kg
56.
m3
57.
kg / m3
58.
Larger base area
59.
Geometric centre
60.
Knot
61.
Uniform velocity
62.
Proton
63.
Monovalent
64.
Fe
65.
Neutron
66.
Electrons in the outermost Orbit
67.
Salmonella
68.
Yellow urine
69.
Mycobacterium
70.
Cramps in legs
71.
Hydrophobia
72.
Metre
73.
light year
74.
m2
75.
Chrysanthemum
76.
Bignonia
77.
Opuntia
78.
Spore
79.
Attracts insect
80.
Microsoft Photostory
81.
3D
82.
Illustrator
83.
Pixels
84.
Visual Communication
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
