11th Standard Syllabus & Materials
11th Standard
TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A
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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.
Provide the characteristics of multiple or composite fruit.
2.
Mention the Types of Inflorescence Based On Position.
3.
Write briefly about the types of multiple fruit with example
4.
Write the name of units of these floral parts.
1. Calyx,
2. Corolla,
3. Perianth,
4. Androecium,
5. Gynoecium.
5.
Define Umbel.
1.
1. A Multiple or composite fruit develops from the whole inflorescence along with its peduncle on which they are borne.
2. A fleshy multiple fruits which develop from a spike or spadix.
3. The flowers fused together by their succulent perianth and at the same time, the axis bearing them become fleshy or juicy and the whole inflorescence forms a compact mass.
4. Example: Pineapple, Jackfruit, Mulberry
5. A multiple fruits which develops from hypanthodium inflorescence.
6. The receptacle develops further and converts into fleshy fruit which encloses a number of true fruit or achenes which develops from female flower of hypanthodium inflorescence.
7. Example: Ficus.
2.
1. Have you ever noticed the inflorescence arising from different positions? Where is the inflorescence present in a plant? Apex or axil? Based on position of inflorescences, it may be classified into three major types.
They are,
1. Terminal:
2. Inflorescence grows as a part of the terminal shoot.
3. Example: Raceme of Nerium oleander Axillary:
4. Inflorescence present in the axile of the nearest vegetative leaf.
5. Example: Hibiscus rosa-sinensis Cauliflorous
6. Inflorescence developed directly from a woody trunk.
7. Example: Theobroma cocoa, Couropita guianensis Observe the inflorescence of Jackfruit and Canon ball tree.
3.
A Multiple or composite fruit develops from the whole inflorescence along with its peduncle on which they are borne.
Sorosis: A fleshy multiple fruits which develops from a spike or spadix. The flowers fused together by their succulent perianth and at the same time the axis bearing them become fleshy or juicy and the whole inflorescence forms a compact mass. eg. Pineapple, Jackfruit, Mulberry.
Syconus: A multiple fruits which develops from hypanthodium inflorescence. The receptacle develops further and converts into fleshy fruit which encloses a number of true fruit or achenes which develops from female flower of hypanthodium inflorescence. eg. Ficus.
4.
1. Calyx - Sepals
2. Corolla - Petals
3. Perianth - Tepals
4. Androecium - Stamens
5. Gynoecium - Carpels.
5.
1. An inflorescence with the indeterminate central axis and pedicellate flowers arise from the common point of peduncle at the apex.
2. Compound umbel inflorescence is a branched umbel.
3. Each such umbel is called an umbellet.
4. Eg: Daucus carota (carrot).
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
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