11th Standard Syllabus & Materials
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TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A
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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: 13/05/2022
QB365 provides detailed and simple solution for every Creative Questions in class 11 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.
latest Creative QuestionsDownload 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.
Name any 3 types of cell wall thickenings in tracheids and draw a diagram of the same.
2.
Differentiate stomata and hydathodes?
3.
Write a few sentences about vascular bundle of a Monocot stem.
4.
Draw a diagram of stomata and label the parts.
5.
Name the types of wood fibres?
1.
Cell wall thickening in tracheids
(i) Annular
(ii) Spiral
(iii) Reticulate

2.
| Stomata | Hydathode |
|---|---|
| 1. Stomatal aperture is guarded by two guard cells. | The aperture of hydathodes is of cuticularized cells |
| 2. The two guard cells are generally surrounded by subsidiary cell. | Subsidiary cells are absent. |
| 3. Opening and closing of the stomatal aperture is regulated by guard cells. | Hydathode pores always remain open. |
3.
(i) Vascular bundles are scattered (atactostele) in the parenchymatous ground tissue. Each vascular bundle is surrounded by a sheath of sclerenchymatous fibres called bundle sheath.
(ii) The vascular bundles are conjoint, collateral, endarch and closed.
(iii) Vascular bundles are skull or oval shaped
4.

5.
(i) Libriform fibres
(ii) Fibre tracheids
(iii) Septate fibres
(iv) Gelatinous fibres
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