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: 11/11/2020
11th Standard Botany - Secondary Growth English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021
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.
Assertion (A) : Heart wood is the dead part of wood.
Reason (R) : It resists microerganisims
A and R are wrong
A and R are coirect hut R is not the explanation for A
A is right, R is wrong
R explains A.
2.
Which of the following is a part of Radial system.
sieve tubes
companion cells
phloem rays
phloem parenchyma
3.
In dicot root, periderm originates from ____________
cortex
pericycle
xylem
medullary rays
4.
Bark does not include ____________
cortex
periderm
pith
secondary phloem
5.
Canada balsam is obtained from _________
Abies
Haematoxylin
Quercus
Cinchona
6.
Choose the wrong statement.
Intrafascicular cambium originates from procambium.
It is a part of primary meristem.
Interfascicular cambium is present inside the vasular bundle
It is a part of secondary meristem
7.
Match the following.
| (a) Phellum | i. Cork cambium |
| (b) Phellogen | ii. Secondary cortex |
| (c) Phelloderm | iii. Cork |
| (d) Phelloids | iv. lack suberin |
| a | b | c | d |
| iii | ii | iv | i |
| a | b | c | d |
| iii | i | ii | iv |
| a | b | c | d |
| ii | i | iii | iv |
| a | b | c | d |
| i | ii | iii | iv |
8.
The wood formed in spring season in called ____________
Hard wood
Soft wood
Early wood
Non porous wood
9.
The common bottle cork is a product of______.
Phellem
Phellogen
Xylem
Vascular cambium
10.
Usually, the monocotyledons do not increase their girth, because ____.
They possess actively dividing cambium
They do not possess actively dividing cambium
Ceases activity of cambium
All are correct
1.
(b)
A and R are coirect hut R is not the explanation for A
2.
(c)
phloem rays
3.
(b)
pericycle
4.
(c)
pith
5.
(a)
Abies
6.
(c)
Interfascicular cambium is present inside the vasular bundle
7.
(b)
| a | b | c | d |
| iii | i | ii | iv |
8.
(c)
Early wood
9.
(b)
Phellogen
10.
(b)
They do not possess actively dividing cambium
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