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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: 11/11/2020
11th Standard Botany - Plant Growth and Development English Medium Free Online Test One Mark Questions 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.
The name Gibberellin was coined by .............
Went
Kurosawa
Yabuta
Lethan
2.
The growth rate becomes zero in .............. phase.
Decelerating
maturation
exponential
lag
3.
.............. is a day neutral plant.
Bryophyllum
Wheat
Tobacco
Tomato
4.
Bio Assay of ABA was done with
cotton bolls
Pineapple
Rice
Sugarcane
5.
The.term kinetin was coined by .................
Skoog
Haberlandt
Kurosawa
Lethon
6.
Kurosawa found plants suffering from Bakanae disease. This led to discovery of ................
GA
Cytokinin
ethylene
2,4, D
7.
During exponential phase of growth one of the following changes does not occur. Identify it ___________
Addition of protoplasm
Growth rate becomes zero
Deposition of cell wall material
Development of central vacuole
8.
The term synergistic action of hormones refers to ____________
When two hormones act together but brings about opposite effects.
When two hormones act together and contribute to the same function.
When one hormone affects more than one function.
When many hormones bring about opposite effects
9.
Seed dormancy allows the plants to
overcome unfavourable climatic conditions
develop healthy seeds
reduce viability
prevent deterioration of seeds
10.
Select the wrong statement from the following:
Formative phase of the cells retain the capability of cell division.
In elongation phase development of central vacuole takes place.
In maturation phase thickening and differentiation takes place.
In maturation phase, the cells grow further.
1.
(c)
Yabuta
2.
(b)
maturation
3.
(d)
Tomato
4.
(c)
Rice
5.
(a)
Skoog
6.
(a)
GA
7.
(b)
Growth rate becomes zero
8.
(b)
When two hormones act together and contribute to the same function.
9.
(a)
overcome unfavourable climatic conditions
10.
(d)
In maturation phase, the cells grow further.
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
