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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 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.
The process of air passing in and out the lungs is called ___________.
Inhalation
Exhalation
Breathing
None of these
9.
In the absence of oxygen, glucose is broken down in to ________.
Lactic acid
Citric acid
Acetic acid
Nitric acid
10.
__________ is tough and thick white sheath that protect the inner parts of the eye.
sclera
conjunctiva
cornea
iris
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.
(c)
Breathing
9.
(a)
Lactic acid
10.
(a)
sclera
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
