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: 06/09/2019
Botany - Cell - The Unit of Life
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.
Match the columns and identify the correct option:
| Column I | Column II | ||
| A | Thylakoids | 1. | Disc-shaped sacs in Golgi apparatus |
| B. | Cristae | 2. | Condensed structure of DNA |
| C. | Cisternae | 3. | Flat membranous sacs in stroma |
| D | Chromatin | 4. | Infoldings in mitochondria |
| A | B | C | D |
| (iii) | (iv) | (ii) | (i) |
| A | B | C | D |
| (iv) | (iii) | (i) | (ii) |
| A | B | C | D |
| (iii) | (iv) | (i) | (ii) |
| A | B | C | D |
| (iii) | (i) | (iv) | (ii) |
2.
Keeping in view the fluid mosaic model for the structure of cell membrane which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other.
Neither lipid nor proteins can flip-flop
Both lipid and proteins can flip flop
While lipids can rarely flip-flop proteins cannot
While proteins can flip-flop lipids cannot
3.
Many cells function properly and divide mitotically even though they do not have.
plasma membrane
cytoskeleton
mitochondria
plastids
4.
Sequences of which of the following is used to know the phylogeny.
mRNA
rRNA
tRNA
HnRNA
5.
The two subunits of ribosomes remain united at critical ion level of _______.
Magnesium
Calcium
Sodium
Ferrous
6.
State the protoplasm theory.
7.
Bring out the significance of Transmission Electron Microscope.
8.
9.
Draw the ultra structure of plant cell.
10.
1.
(c)
| A | B | C | D |
| (iii) | (iv) | (i) | (ii) |
2.
(c)
While lipids can rarely flip-flop proteins cannot
3.
(d)
plastids
4.
(b)
rRNA
5.
(a)
Magnesium
6.
(i) Corti first observed protoplasm Felix Dujardin (1835) observed a living juice in animal cell and called it "Sarcode". Purkinje (1839) coined the term protoplasm for sap inside a plant cell. Hugo Van Mohl (1846) indicated importance of protoplasm.
(ii) Max Schultze (1861) established similarity between Protoplasm and Sarcode and O. Hertwig (1892) proposed a theory which later on called 'protoplasm theory' Huxley (1868) proposed protoplasm as a "physical basis of life".
7.
(i) A beam of electron passes through the specimen to form an image. It provides two dimensional image.
(ii) The magnification is 1-3 lakhs times and resolving power is 2 - 10 Å.
8.
9.
Ultra Structure of Plant Cell
10.
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
