11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

Published on: 08/06/2021
QB365 provides detailed and simple solution for every book back questions in class 11 Biology subject.It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 11th Standard Biology 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 Biology Test1.
Where is thymus gland located?
2.
Write the functions of (CCK) Cholecystokinin.
3.
Specify the symptoms of acromegaly
4.
Write the role of oestrogen in ovulation.
5.
Comment on homeostasis.
1.
It is a bilobed structure located just above the heart and aorta behind the sternum
2.
(i) CCK is known as Cholecystokinin.
(ii) CCK is secreted by a group of specialized endocrine cells in duodenum in response to the presence of fat and acid in the diet.
(iii) CCK acts on the gall bladder to release bile into duodenum and stimulates the secretion of pancreatic enzymes and its discharges.
3.
Acromegaly is due to excessive secretion of growth hormone in adults.
Symptoms of acromegaly are :
Over growth of hand bones, feet bones, jawbones malfunctioning of gonads, enlargement of viscera, tongue, lungs, heart, liver, spleen, and also endocrine glands like thyroid, adrenal etc.
4.
The hormone oestrogen is secreted by the ovaries.
1. It stimulates the pituitary gland to release Luteinizing hormone which induces ovulation and maintains corpus luteum. Ovulation is the release of egg from the ovary by rupture of follicular cells.
2. It stops production of follicular stimulating hormone so that only one egg mature in a cycle.
5.
(i) Hormones coordinate different physical, physiological, mental activities and maintain homeostasis.
(ii) Maintenance of constant internal environment of the body by the different coordinating system.
11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil பீடு பெற நில் - செய்யுள் - காவடிச்சிந்து Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil பீடு பெற நில் - உரைநடை - மலை இடப்பெயர்கள் : ஓர் ஆய்வு Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - துணைப்பாடம் - யானை டாக்டர் Important Questions And Answers Study Material - QB365 Set A
NEW11th Standard
TN 11th Tamil மாமழை போற்றுதும் - செய்யுள் - ஐங்குறுநூறு Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 11th Standard Subjects

Maths

Commerce

Economics

Biology

Business Maths and Statistics

Accountancy

Computer Science

Physics

Chemistry

Maths

Biology

Economics

Physics

Chemistry

History

Business Maths and Statistics

Computer Science

Accountancy

Computer Applications

History

Computer Technology

Commerce

Computer Applications

Computer Technology

Tamil

English

French
Tamilnadu Stateboard Standards