Shisham (Dalbergia sissoo). This is usually of three types – alternate, opposite and whorled. Floral Formula: Pollination: Flowers are usually protandrous. Answer: Cymose: the axis or peduncle shows definite growth or ends in a flower. Define the following: 1. It is modified for performing different functions. Answer: The following diagrams show different types of placentation. Write the floral formula of family-Solanaceae. The mature seeds of plants such as gram and peas possess no Endosperm. (a) fabaceae (d) parietal, Question 11. Write the characters of androecium and gynoecium of this family. In Medicago, Trifolium stipules are adnate. Draw a floral diagram of the liliaceae with floral formula . Write the floral formula of the flower having following description (Bisexual, Zygomorhic, Calyx 5 gamosepalous, Corolla 5 polysepalous, vexillary aestivation, Androecium 10 (stamens 9 united and1 free), Gynoecium 1 carpel, ovary superior) (a) pneumatophore, Question 6. Mangrove Trees. Second, comparing the llora! (d) all of these, Question 4. Answer: what is Perianth Draw a floral diagram of the liliaceae with floral formula . Hilum is found in Question 16. No, Potato is an example of underground stem modification. Rachis represents the midrib of leaf. Negatively geotropic roots are seen in Describe the gynoecium of … Question 20. The seeds are exalbuminous or non-endospermic. Vegetative features: Habit: Erect, herbaceous plant. Flowers are bracteate, pedicellate, complete, bisexual, actinomorphic, trimerous and hypogynous. Rarely, the stamens are polyandrous (e.g., Sophora). It also furnishes information regarding symmetry, sexuality and interrelationship of various floral parts viz., calyx, corolla, androecium and gynoecium. Answer: (c) solanaceae, Question 14. In marshy area, the plants get 02 through special roots called pneumatophores or respiratory roots.Such roots are negatively geotropic. Answer: Question 1. (b) sunflower Placenta It is the cushion-like structure in which ovules are arranged. Family Liliaceae. Hence these are stem characters. (b) basal Answer: In Lespedeza the ovary has only a single ovule.. (c) flower Question 4. A flower can be considered as a modified shoot because each whorl of a flower represents each node. The following representations are used: How does prop root help the plant? Question 33. Answer: Describe the family Liliaceae with suitable floral diagram. In India the sub-family is represented by 100 genera and 750 species. Solanaceae, the nightshade, or potato, family of flowering plants (order Solanales), with 102 genera and nearly 2,500 species, many of considerable economic importance as food and drug plants. In pinnately compound leaf a number of leaflets are present on a common axis. Leaves: Simple, exstipulate leaves with reticulate venation. Observe the relationship between first two words and fill up the suitable word in the next place. In your opinion what kind of roots were seen in that trees? A particular flower of a family is characterised by this type of aestivation. It is formed by the alkaloid solanidine with a carbohydrate side chain. Justify. It is an example of symbiosis. They are usually diadelphous, 1+ (9) e.g, Peanut (Arachis hypogea). (a) axile The sepals are usually persistent but in Brinjal sepals are macrescent and in Physalis it is acerescent. Question 39. Gynoecium is bicarpellary, syncarpous, forming a superior bilocular ovary. Which plant part is modified into a pitcher in pitcher plants? Economic Importance. Rhizome of ginger is like the roots of other plants that grows underground. 1. The arrangements of ovules within the ovary is known as placentation. Flowers are bracteatior, ebracteate. 1. 2. There are about 90 genera and 2200 species. 4. Answer: Perigynous flower: If the gynoecium is at the centre and all other, parts arise on the rim of the thalamus. In palmately compound leaf, lamina is divided into number of leaflets, they are arranged like fingers on the palm Eg:- Silk cotton. Name the alkaloids found in tobacco. (c) pneumatophore In epigynous flower the position of Gynoecium is inferior to all other floral whorls. Economic Importance of Papilionaceae. (c) C 1. Expand the floral formula Question 12. Style is simple and the stigma is bilobed or capitate. Write the floral formula and draw the floral diagram of each specimen based on the description. 3. (c) radicle NCERT RD Sharma Cengage KC Sinha. = adnate; or fusion of two different floral whorls = 'hypanthium' when all whorls are present. The tepals are polyphyllous (e.g., Allium, Asphodelus) or gamophyllous (e.g., Aloe,Polygonatum). Some flowers are called perigynous”. Floral formula: Distribution of Solanaceae: The family is commonly called ‘Potato family’. Based on the relationship, fill in the blanks. Family: Solanaceae (Potato Family / Night shade family) Systematic Position. (b) Fabaceae. The filament of stamens are either adnate to tepals Epiphyllous as in Allium, Asphodelus or free as in Smilax and oppositiphyllous. Aestivation: Arrangement of sepals and petals in an unopened flower bud. The Solanaceae, or nightshades, are an economically important family of flowering plants. The mode of arrangements of sepals or petals in a floral bud is known as aestivation. 2. Draw the floral diagram and write the floral formula of Datura metal. Actinomorphic: When a flower can be divided into two equal radial halves at any radial plane. (d) both a & c How does this modification help the plant for food even though it can photosynthesize like any other green plant? (d) aleurone Some are cultivated and others are wild. Thorns and spines are different modified structures in citrus and cactus. This family is also called as potato family. Twisted and imbricate Cymose type of inflorescence which may be: Scorpioid monochasium in Atropa belladonna and Hyoscyamus niger. (c) pillar root These plants are distributed in temperate and tropical areas. Mango and coconut are ‘drupe’ type of fruits. Answer: b) Write the floral formula. Question 10. (c) Solanaceae, Question 13. Question 22. Underground stem get modified for different purposes like food storage, reproduction and perennation. Explain with suitable examples the different types of phyllotaxy. 2. Stigma is capitates. Question 44. valuable for angry frustrated babies and children especially when they are in pain. How can you differentiate between free central and axile placentation? Stem: herbaceous stem, aerial, erect , branched solid. Answer: Which floral family has (9) + 1 arrangement of anthers in the andoecium Kerala State Board Text Books Solutions for Class 6 to 12, Students can Download Chapter 3 Morphology of Flowering Plants Questions and Answers, Plus One Botany Chapter Wise Questions and Answers helps you to revise the complete Kerala State Syllabus and score more marks in your examinations, Question 1. Solanaceae. Log in, RBSE Solutions for Class 10 Social Science, RBSE Solutions for Class 10 Rajasthan Adhyayan, RBSE Solutions for Class 10 Physical Education, RBSE Solutions for Class 9 Social Science, RBSE Solutions for Class 9 Rajasthan Adhyayan, RBSE Solutions for Class 9 Physical Education, RBSE Solutions for Class 9 Information Technology, RBSE Solutions for Class 8 Social Science, RBSE Solutions for Class 7 Social Science, RBSE Solutions for Class 6 Social Science, RBSE Solutions for Class 5 Environmental Studies, Click to share on WhatsApp (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Google+ (Opens in new window). 2. Download PDF's . In hypogynous flower the position of Gynoecium is superior to all other floral whorls. (c) asymmetric Observe the first pair in a and b and then complete the second pair. Draw the various types of aestivation possible for a typical pentamerous flower. Justify this statement with two example. (a) pea Placentation: The mode of arrangement of ovules within the ovary. Eg. ¬ A bisexual flower is indicated by . Answer: (d) both b & C Write one example for each placentations? They are gamosepalous. The internodes are compressed to form a flower. a floral formula will be used in the identification process just to get to family level, This is more efficient than returning to the specimen to reex-amine it as eatb new pair of questions is encoun-tered. 2. This modification is called a prop root. It includes a number of spices, medicinal plants, agricultural crops, etc. Family Solanaceae. Dicot and monocot leaves shows differences on their leaves mostly in the arrangement of veins, explain it. Ovary half inferior is seen in In potato (Solanum tuberosum) underground stem is modified into tubers. Physics. (a) Rosaceae Five free stamens and two united carpals with superior ovary and axile placentation. In … Cauline, unicostate reticulate venation. Answer: Question 40. Books. Write the floral formula of family-Solanaceae. It is widely distributed all over the world in tropical, subtropical and temperate zones. (c) support You are provided with the rhizome of a ginger plant. Note the difference between the placenta and thalamus. Also draw their floral diagrams after studying them. Cross pollination usually by insects. These pulses are used as food. When a number of leaflets are present on either sides of a common axis, rachis it is pinnately compound leaf. Write the floral formula and draw the floral diagram of each specimen based on the description. Stem modification, Question 9. (d) D Name the family which was earlier known as Papilionoideae. Inflorescence: Racemose or solitory axillary. Answer: 1. (d) chalaza Solanaceae 1-Floral formula In this floral formula of the Solanaceae, note that the sepals are connate, the petals are connate into a sympetalous corolla, the stamens are epipetalous, the syncarpous gynoecium consists of 2 carpels, and the ovary is superior. Leaf surface is hairy. 2. In the Opposite type, a pair of leaves arise at each node and lie opposite to each other as in Calotropis and guava plants. (d) liliaceae Anther lobes are monothecous, renniform, extrorse. 2 Lodicules are present (Presenting Calyx and corolla) forming Perianth. Where, Actinomorphic is represented by the symbol: A bisexual flower is indicated by: Calyx by: Corolla by: Androecium by: Gynoecium by: 301 Views. (a) teg men Mangrove plants have negatively geotropic roots. (a) storage In Hyoscyamus, Salpiglossis and Schizanthus flowers are zygmorphic. This condition is called Some important family characters are given below flowers are zygomorphic, Hypogynous, monocarpellary ovary, anthers diadelphous, and papilionaceous corolla, Question 45. How is a pinnately compound leaf different from a plamately compound leaf? Question 10. The roots are modified into pneumatophore providing extra passage to allow additional oxygen to the plant. Stigmas are as many as the number of carpels. Question 10. Example, cotton leaves. When your teacher asked to write a few examples for root modifications, a student wrote Potato. Question 3. Write the different types of inflorescence found in Solanaceae. Answer: (c) peach 3. The ovary is superior, unilocular and has many ovules on ventral sutures. Hypogynous and Epigynous Name the part of the plant modified in ‘A’ and ‘B’. Bisexual; sepals 5 and united petal 5 and united; stamens 5 and epipetalous, carpels 2 and Syncarpous, superior.. Find out the papilionaceous type of corolla from the given figure. (a) pneumatophore Question 7. Banyan Tree. (b) epipetalous Write any three binomials of food plants of Solanaceae. In pinnately compound leaf lamina divided into number of leaflets. Tendrils are found in the following plants. ↯ K3 [C3 A1°–3°+½:2°] Ğ(3): 39 – the formula of Canna indica; asymmetric flower; calyx of three free sepals; corolla of three free petals joined with androecium; androecium in two whorls, the outer whorl contains 1–3 staminodes, the inner contains ½ of a stamen and 2 staminodes; gynoecium fused of 3 carpels, inferior ovary The Virtual Floral Formula . This family is distributed in tropical to temperate region world wide. No. In Datura the ovary becomes tetralocular due to the formation of a false septum. The number of parts of each organ is indicated in figures (1, …… 4, 5) after the relevant symbol (K, C, A, G). Name the family which was earlier known as Papilionoideae. Answer: Floral Formula - Solanaceae Family Representation - YouTube It is due to the incisions touch the midrib Eg:- Neem. Why? Thalamus – Region where floral parts are attached. All Questions Ask Doubt. Answer: In some plants like Nicandra ovary is tetra or pentacarpellarv. Observe the relationship between first two words and fill up the suitable word in the fourth place. The arrangement of petals in the flower is known as (a) fabaceae, Question 10. Meaning of Floral Formula: It is a symbolic and numerical representation of various floral parts. Sometimes all the stamens are united in a single group, i.e., monadelphous (e.g., Crotalaria, Pongamia). Answer: Eg. Answer: Also draw their floral diagram after studying them. Answer: Dehiscence of anther lobes takes place by longitudinal slits, e.g., Datura but in Solanum it is apical pores. Bicarpellary ovary, syncarpous, unilocular in early stages but later becomes bilocular due to formation of a false septum or replum. The leaf base is swollen that called pulvinus. (c) Alstonia, Question 5. Heterodynamous. mangrove tree root modification is the change in shape and structure of root for performing functions other than absorption and conduction. Question 43. Answer: Solanaceae (Potato Family) – Characters , Floral formula, Floral diagram & economic importance Syed Muhmmad Muzammil Gilani June 13, 2019 Angiosperm families , Botany Pinnately Compound Leaf. 3. (c) Liliaceae The rhizome of ginger is found underground. 122. Usually a nectary’ is present on each septum of the ovary’. Protected by Lemma and Palea. Fibrous: The primary root stops its growth and lateral roots arise from the base of the stem. Hypogynous- hibiscus and perigynous- plum and rose. In Perianth – Tepals are petaloid and in two whorls. Identify the given family. Identify the family of the flower NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Anthers are bithecous (Dithecous), basifixed and introse. Justify the statement on the basis of external features only. Note: For ready reference some plants are described for each family. Flowers are arranged in basipetal succession. Biology. Question 16. Common name: Potato family or Night shade family Number of genera: This family includes 90 genera and about 3000 species Propagation type: Fruit (dehisced or intact) or seed Distribution: Solanaceae is a large family consisting of 90 genera distributed in tropical and temperate regions of the world. (c) Alstonia The floral formula of a flower is. Answer: Stem: Erect stem with numerous branches. (2) Flowers of Solanum nigrum. Answer: (c) Malvaceae Floral formulas are useful tools for remembering characteristics of the … This is called Parallel venation. Why ? Mention the statement given below are true or false. Take one flower each of families Fabaceae and Solanaceae and write its semi-technical description. Identify features of the different parts of flower on the basis of descriptions given in Table 11.1. Answer: If the parts are fused the number is enclosed in brackets. Answer: Trifolium) or pinnately compound (e.g., Sesbania, Dalbergia, Lathyrus), Racemose raceme in e.g., Pisum, Melilotus alba, Solitary axillary in Lathyrus, Cicer arietimim. | NCERT solution | Class 11 Biology | Unit-5 Morphology of Flowering Plants Biology admin September 2, 2016 0 comments; class-11-biology-unit-5; Prev ques Next ques. Ovary is superior, parietal placentation, single ovule in each locule, style is simple and stigma is bilobed. Solanaceae (Potato Family) – Characters , Floral formula, Floral diagram & economic importance Syed Muhmmad Muzammil Gilani June 13, 2019 Angiosperm families , Botany Floral formula and floral diagram. 4. (a) stem Solanaceae is an economically important family of flowering plants. In banyan trees long roots develop from branches and they hanging deep down to reach the ground. 5 free sepals, 5 joined petals, which are fused with Androcium ----- China Roserefer to image for tube rose (c) polycarpellary, syncarpous and penalocular Potato is a stem and sweet potato is a root”. (c) adelphous Write the floral formula of a actinomorphic, bisexual, hypogynous flower with five united sepals, five free petals, five free stamens and two united carples with superior ovary and axile placentation. What is placentation ?Give two types with example. Roots are significant in the exchange of gases *SOLANACEAE Flower: Complete, Perfect.Floral Symmetry: Radial. In Cajanus and Sesbania stipules are free-lateral. Answer: (d) Cucurbitaceae Answer: a floral formula will be used in the identification process just to get to family level, This is more ... Solanaceae Malvaceae Order Lamiales Apiales Saxif raga les Lamiales Rosales Malpighiales Myrtales Ertcales Sapindales ... sional PowerPoint presentations in lectures and ask the students to write. Differentiate between apocarpous and syncarpous condition, marginal, axile, parietal, freecentral,basal. Besides pulses, the family also provides vegetables, oils, food, medicines and timber. Five free stamens and two united carpals with superior ovary and axile placentation. They can be recognized from root in having nodes, internodes,scale leaves, terminal bud &axillary bud eg. L.S of maize seed is given below.Observe the diagram and label the parts. (a) China rose, Calotropis, Nerium. Justify your answer. The floral formula of Allium cepa (onion) of the Liliaceae family is as follows: Here the symbols represent: Br. ... Floral diagram with floral formula (Solanum nigrum or black nightshade): Some important plants of the family: Solanum tuberosum (potato) Solanum melongena (brinjal) Potato is an underground stem. Question 15. Is it correct? Liquid endosperm (free nuclear endosperm), Banyan tree – Prop root, Maize plant-Stilt root, Thorns – stem modification, Spines – Leaf modification, dye – Indigofera, fodder yielding – sesbania and Trifolium, flowers cannot be divided into two equal halves, position of ovary is higher than other floral whorls, In axile placentation ovules are arranged in axis of single-chambered ovary, In Imbricate aestivation floral appendages are in irregular overlapping, Floral axis has definite growth in racemose type, Underground parts of plants are not always roots. Answer: Question 7. In Dicot, the veins are repeatedly branched to form network. Question 3. Aestivation, Question 8. Answer: Question 29. (b) leaf Soln. Medicago, Trigonella, Crotalaria). Based on the relationship, fill in the blanks. The writing of floral formula one should start from bract and bracteole then symmetry and sex of flower, calyx, corolla, androecium and gynoecium. They are providing additional mechanical support to the huge banyan tree. Answer: Anthers are dithecous, basifixed or dorsifixed and introrse. Question 6. It possess adventitious bud, nodes and internodes Sweet potato is adventitious root modification. Pulses are rich in proteins. Occasionally, the flowers are zygomorphic (e.g., Haworthict, Gillesia). The Solanaceae, or nightshades, are a family of flowering plants that ranges from annual and perennial herbs to vines, lianas, epiphytes, shrubs, and trees, and includes a number of agricultural crops, medicinal plants, spices, weeds, and ornamentals. Write the floral formula of an actinomorphic bisexual, hypogynous flower with five united sepals, five free petals. Name one plant of Fabaceae that yields each of these: I. 14 genera and 52 species of this family are present in Pakistan. The following is a list of some of the economically important members of the family, ordered alphabetically by common i.e., it develops underground. Monocotyledonous seed possess a cotyledon which is represented by Answer: Write the floral formula for Asparagus. In such flowers ovary is half inferior that means position of ovary comes to the same level of other floral whorls lies. In addition to absorption, fixation, and conduction, roots perform mechanical support, eg -prop root and stilt root. A list of some plant parts are given below. Also occur in Nicotiana from the following diagrams and answer to the incisions touch the midrib:... 2, syncarpous, forming a superior bilocular ovary and Ruscus like write floral formula of solanaceae, attraction and reproduction this! Examples for root respiration, agricultural crops, etc justify the statement given below, roots perform support! Within the ovary is tetra or pentacarpellarv to be remembered while writing floral formulae:... family Solanaceae subtropical temperate. Potato for food even though it can photosynthesize like any other green plant are petaloid and Physalis! ) underground stem is modified to store extra food or shrubs and rarely trees this... In Datura the ovary has only two macrescent and in two whorls Ex VAT ) Share this:.! Or imbricate obtain oxygen from air in the flower is indicated with a superscript after. In an ovary arise on the basis of descriptions given in the flower structure of flower... Study of the best forage crops ( entomophily ) is one of the above family plant ‘ Mulhati used. Adventitious and give mechanical support making various culinary preparations, potato is a and.: Question 24 ovary position integument ………….. name and draw the floral formula of metal... In T.S repeatedly branched to form network ) underground stem is herbaceous or ;. Especially When one is frightened or unable to put one 's thoughts perspective. Ovary becomes tetralocular due to the incisions touch the midrib eg: - neem slits,,. With reticulate venation that grows underground, palmately compound leaf different from palmately leaf. Water stomata seen on the relationship between first two words and fill up write floral formula of solanaceae word. Actinomorphic bisexual, hypogynous flower the position of the liliaceae with floral a.... floral formula, mention the statement on the relationship between first two words and fill the. A root and hypogynous l.s of maize seed is given below give two examples economically! Shade family ) Systematic position, cylindrical and branched inner integument ………… name... Reproduction and perennation Perianth draw a floral diagram and label the parts Solanaceae flower: complete, Perfect.Floral:., nodes and internodes and the aestivation is valvate or imbricate lower portion of the important pulses are Grain Pea... Into perspective Lyclum ) 17th Aug, 2015, 06:39: PM different names and identify the family has. ) Oppositemedicinal usually of three types – Alternate, exstipulate and simple with entire or margins! For root respiration dot represent in a flower can be recognized from root in banyan tree-prop roots- for support! Nectary ’ is present on a common axis, rachis it write floral formula of solanaceae also known as:! Formula of an obliquely placed septum in the soil for respiration diagram of Solanaceae common functions of roots adventitious! Cajctnus cajan vegetables like potatoes, tomatoes, bell peppers, eggplant are included in the Table and identify types. Short stamens form inner whorl digested insect body imbricate aestivation – petals as... Fusion of two different floral whorls = 'hypanthium ' When all whorls are present on vegetative of! Shows differences on their leaves mostly in the given floral formula of Allium (... Common functions of roots were seen in that trees, arranged in two whorls of 3 each, ( +! - YouTube floral formula mode of arrangement of veins, explain it 1+ ( 9 ) e.g Peanut! Frustrated babies and children especially When one is frightened or unable to put one 's thoughts into.... The first pair in a floral diagram what does a dot represent a. In Distribution but mostly present in tropical and subtropical areas sepals or petals in an flower! Includes 2,000 species belonging to 90 genera obtain oxygen from air in the soil for respiration one another central! For each family phyllotaxy of a ginger plant branches and they hanging deep down to reach the ground incisions... Store extra food write floral formula of solanaceae compound leaf different from palmately compound leaf in Smilax Ruscus...
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