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7th Standard
TN 7th Tamil рокро░рпБро╡роорпН -1 роЗропро▓рпН 1 - роЕроорпБродродрпНродрооро┐ро┤рпН - роТройрпНро▒ро▓рпНро▓ роЗро░рогрпНроЯро▓рпНро▓ Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Tamil рокро░рпБро╡роорпН -1 роЗропро▓рпН 1 - роЕроорпБродродрпНродрооро┐ро┤рпН - роОроЩрпНроХро│рпН родрооро┐ро┤рпН Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Poem - Your Space Important Questions And Answers Study Material - QB365 Set A
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TN 7th English T1 - Prose - A Prayer to the Teacher Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - The Listeners Important Questions And Answers Study Material - QB365 Set A
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Published on: 14/12/2020
7th Standard Science T1 - Atomic Structure English Medium Free Online Test 1 Mark Questions 2020-2021
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.
Atomic number is represented by the letter __________
A
N
P
Z
2.
The positively charged particle is _________
electron
proton
neutronnone
none
3.
Electron was discovered by ___________
J.J. Thomson
Chadwick
Goldstein
Delton
4.
Protons and neutrons are called __________
atom
nucleons
positive charge
negative charge
5.
One Nanometre is equal to _____________
108 m
10-9 m
10-5 m
109 m
6.
Whose theory does not propose anything about the positive and negative charges of an atoms.
J.J. Thomson
Dalton
Rutherford
Bohr
7.
____________ is made up of two or more atoms
Atoms
Molecule
Compound
None
8.
Nucleons comprises of _______.
Protons and electrons
Neutrons and electrons
Protons and neutrons
Neutrons and Positron
9.
_______ is positively charged.
Proton
Electron
Molecule
Neutron
10.
The basic unit of matter is ______.
Element
Atom
Molecule
Electron
1.
(d)
Z
2.
(b)
proton
3.
(a)
J.J. Thomson
4.
(b)
nucleons
5.
(b)
10-9 m
6.
(b)
Dalton
7.
(b)
Molecule
8.
(c)
Protons and neutrons
9.
(a)
Proton
10.
(b)
Atom
7th Standard Syllabus & Materials
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
