8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A

Published on: 11/12/2020
8th Standard Science Organisation of Life English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 8th 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.
_________million alveoli located at the end of branchial tubes
480
300
100
200
2.
_____is a thin transparent membrane that is spread across the sclera
Cornea
Conjunctiva
Retina
Ciliary body
3.
_______tissues for conduction of nerve impalses
Epithelial
Muscular
Nervous
Supporting
4.
_________are called as building blocks of life
Cells
nucleus
Cell organelles
tissues
5.
_________make up organs
Cells
Tissues
Organ system
None of the above
6.
The erythrocyte is placed in _________ solution which has lesser concentration of solutes and greater concentration of water than in the cytoplasm.
Hypotonic
Hypertonic
Neutral
Acidic
7.
Osmosis is the movement of water molecules from a ______.
Higher concentration to a region of lower concentration.
Lower concentration to a region of higher concentration.
Both of these
None of these
8.
_________ cells are specialised cells that can be transformed into any kind of cells.
Nerve
Stem
Heart
Bone
9.
In the absence of oxygen, glucose is broken down in to ________.
Lactic acid
Citric acid
Acetic acid
Nitric acid
10.
Maintenance of constant internal environment of the body is known as _________
Homeostasis
Homeophytes
Homeokinesis
Homeophilics
1.
(a)
480
2.
(b)
Conjunctiva
3.
(c)
Nervous
4.
(a)
Cells
5.
(b)
Tissues
6.
(a)
Hypotonic
7.
(b)
Lower concentration to a region of higher concentration.
8.
(b)
Stem
9.
(a)
Lactic acid
10.
(a)
Homeostasis
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards