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 Reaching the age of Adolescence 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.
___________ intake needs to be increased to prevent osteoporosis in later life.
Potassium
Phosphorus
Iron
Calcium
2.
During menstruation, the progesterone level is ___________
decreased
increased
ceased
normal
3.
Androgen production is regulated by ___________
GH hormone
LH hormone
TSH hormone
ACTH hormone
4.
___________ are the chemical substances, secreted by endocrine glands.
Hormones
Enzymes
Proteins
Fatty acids
5.
The sperm is produced by ____________
penis
ovary
uterus
testes
6.
Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.
sweat
sebaceous
sweat and sebaceous
None of these
7.
Adam’s apple is the growth of the ________
pharynx
thyroid
larynx
parathyroid
8.
During puberty, the region below the waist become wider in _____________
boys
girls
Both a and b
None of these
9.
The period at which an organism attains sexual maturity is called _____________
puberty
adolescence
growth
maturity
10.
Adolescence is the period of life between _____________ years of age.
10 to 16
11 to 17
11 to 19
11 to 20
1.
(d)
Calcium
2.
(c)
ceased
3.
(b)
LH hormone
4.
(a)
Hormones
5.
(d)
testes
6.
(c)
sweat and sebaceous
7.
(c)
larynx
8.
(b)
girls
9.
(a)
puberty
10.
(c)
11 to 19
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