There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. All India Live Test Series: Plant Kingdom (NCERT Best 90 Questions) Dec 31, 2020 • 1h 30m . NCERT Solutions for Class 11 Biology Chapter 3 – Plant Kingdom. The secondary protonema bears the sex organs which produce gametes. Economic importance of gymnosperms
Soln. They are scaly and foliage also. soln.All of these plants show life cycle with one gametophytic (n) generation and one sporophytic (2n) generation. Cell wall composition — Cellulose and algin
(c) Cell wall composition
These algae are very useful for this purpose. (a)Chlamydomonas (i)Moss (e) Gemma cell in Marchantia — Haploid
Practicing such most important questions certainly help students to get good marks in exams. – The nucellus of ovule contains single megaspore mother cell which undergoes reduction division to form 4 megaspores, out of which 3 degenerate and only one survives. (i) Heterospory is associated with the sexual differentiation of gametophyte /.., a microspore develops into a male gametophyte whereas a megaspore develops into a female gametophyte. Ovum of a liverwort – haploid. Franchisee/Partner Enquiry (North) 8356912811. These gametes fuse to form a zygote. NCERT books and answers, study material for final exams and other online study books for revision are available to free download. Gymnosperm — In gymnosperms, the main plant-body is sporophytic. Alginates are salts of alginic acid found in the cell wall of phaeophyceae (brown algae) like Fucus, Laminaria etc. (vii)Some algae like Chlorella, Synecoccus, etc are used in space travels. NCERT Solutions Class 11 Biology Biology Sample Papers. (iii)Many gymnospersm have medicinal value. soln. Answer: 15,000. The main plant-body is sporophytic. (a) Construction purposes: Many conifers such as pine, cedar, etc., are sources of the soft wood used in construction and packing. Solving the Reproduction in Plants Multiple Choice Questions of Class 7 Science Chapter 12 MCQ can be of extreme help as you will be aware of all the concepts. As per previous years’ question papers, this unit alone carries around 7-8 marks. It is obtained from Gelidium and Gracilaria. Your answers are highlighted below. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. Life cycle of a bryophyte is as follows : The main plant body of bryophyte is gametophytic (n), which is independent and may be thallose (no differentiation in root, stem, leaves) e.g., Riccia, or may be foliose (having leafy axis) e.g., Funaria. outer fleshy, middle stony and inner fleshy. 9.Differentiate between the following: Biological Classification MCQ Questions /objective with answers Class 11 Biology Chapter 2. b. (a) Construction purposes: Many conifers such as pine, cedar, etc., are sources of the soft wood used in construction and packing. Economic importance of algae Algae have diverse economic uses. (h) Zygote of a fern — Diploid. 1. NEET Botany - Past Year Questions Plant Kingdom questions & solutions with PDF and difficulty level (a) Protonemal cell of a moss — Haploid
Ans : Economic importance of algae Algae have diverse economic uses. (iv) The differences between syngamy and triple fusion are as follows : 10.How would you distinguish monocots from dicots? To get the accurate and simple solutions to all NCERT exercise questions, read this article. Here you can get complete NCERT Solutions for Class 11 Biology Chapter 3 Plant Kingdom in one place. Class 11 NCERT solutions answers all the questions given in the NCERT textbooks in a step-by-step process. This chapter is divided into three headings, such … Solve NCERT Biology mock tests PDF papers for medical exams like - NEET, AIIMS, FMGE, DNB, FET, FNB, JIPMER, PGIMER, NIMHANS, etc. (i) Red algae and brown algae Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. Check the below NCERT MCQ Questions for Class 7 Science Chapter 12 Reproduction in Plants with Answers Pdf free download. Baibhav Kumar. Fern — In ferns, the main plant-body is sporophytic. soln.’Gymnosperms and angiosperms both bear seeds but they are classified separately because gymnosperms are a group of plants in which the ovules are freely exposed on open megasporophylls, whereas in angiosperms the seeds or ovules are enclosed within ovary which later forms the fruit. Liverwort — In liverworts, the main plant-body is haploid (gametophytic). NEET help on Whatsapp Chat. Chlorophyceae are … HSE Kerala Board Syllabus HSSLive Plus One Botany Chapter Wise Questions and Answers Pdf Free Download in both English Medium and Malayalam Medium are part of SCERT Kerala Plus One Chapter Wise Questions and Answers.Here we have given Higher Secondary Kerala Plus One Botany Chapter Wise Questions and Answers based on CBSE NCERT syllabus. NCERT Solutions for Class 11 Biology Chapter 3 Plant Kingdom to Study online or free PDF file to download updated for new academic session 2020-2021 based on latest NCERT Books for CBSE Board. Home » Biology MCQs | Quiz » Diversity of Living Organisms » Plant Kingdom: MCQs Quiz – 1 Recent Comments Sarlongki on Microbes in Human Welfare: MCQs Quiz – 1 NCERT Solutions 2020-21 based on latest CBSE Syllabus are available to free download. The haploid plant body produces gametes by mitosis. Practice Now. – The seeds of gymnosperms are uncovered. NCERT Solutions 2020-21 based on latest CBSE Syllabus are available to free download. Long Answer Questions (5 marks each) 14. The secondary protonema bears the sex organs which produce gametes. You can practice the questions and check your answers from the solutions given after question. Join the Discussion Forum to ask questions or reply the others. Question Bank for NEET Biology Kingdom Plantae Assertion and Reason. These algae help in bacterial decomposition by providing 02. Algae is divided into 11 classes but among them 3 main classes are Chlorophyceae, Phaeophyceae and Rhodophyceae. to download NCERT Solutions for Class 11 Biology chapter 3 Plant Kingdom, Ans : Algae are classified into three main classes — Chlorophyceae, Phaeophyceae, and Rhodophyceae. Meristem cell of monocot – diploid. Beneficial importance : Name three groups of plants that bear archegonia. Pinus. Plant Kingdom class XI Biology NCERT book, refresher books and other reference books have many important questions. NEET Entrance questions with answers. Advice Questions. Anatomy of Flowering Plants ( All ) Select Topic. Cell wall composition — Cellulose and algin
In heterosporous pteridophytes, spores germinate within the sporangium and the gametophytes are retained inside for variable periods of time. The egg is produced by the archegonia. Its dialated base called the venter contains the female gamete or egg or oosphere. The Bryophytes are known as amphibians of the plant kingdom. Keeping this in mind our subject experts have prepared the Biology MCQs as per the latest trends. (d): Isogamy involves the fusion of gametes which are morphologically and physiologically similar. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Moss — In mosses, the primary protonema (developed in the first stage) develops into the secondary protonema. Question 4. The sporophyte is differentiated into the foot, seta, and capsule. Answer The presence or absence of pigments is the main basis of classification of algae. (viii)A large amount of iodine (mineral element present in thyroxine hormone of thyroid gland) is extracted from kelps (brown sea weeds or members of phaeophyceae) like Laminaria, Fucus, Ascophyllum etc. It is extracted from red alga like Chondrus Crispin, etc. Change of color to blue black shows presence of starch. Question 2. It is present in the life cycles of bryophytes, pteridophytes, and gymnosperms. Ans : (a) Protonemal cell of a moss — Haploid
MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Most primitive members of the plant kingdom are . Plant Questions and Answers (Q&A) Follow . After you have studied lesson, you must be looking for answers of its questions. Cell wall — Cellulose, pectin, and polysulphate esters Flagella number — Absent. The antheridia produce sperms that swim in water to reach the archegonia. These gametes fuse to form a zygote. (ii) The differences between homosporous and heterosporous pteridophytes are as follows: (d) Prothallus of a fern — Haploid
Reduction division takes place in these sporangia, thereby producing many spores. are rich io K, P, trace elements and growth substances and are used as fertilisers by coastal people. – Plants possess tap root system. -Roots are characterised by the presence of diarch to polyarch vascular bundles. Moss — In mosses, the primary protonema (developed in the first stage) develops into the secondary protonema. Eukaryotic, multicellular, chlorophyll containing and having cell wall, are grouped under the kingdom Plantae. (i)Some species of Cycas like C. revoluta, C. rumphii look like palm tree and are used for decoration purposes as they remain fresh for long period. Critical Thinking. Click on the class number below to go to relevant NCERT Solutions of Class 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination. A person inside a spaceship will need a device to get rid of C02 and other body wastes and will require sources of Oz and food. – In embryo 2 or many cotyledons are present. Leaves are well adapted to withstand extremes of temperature, humidity and wind. The wood of Juniperus is used in making pencils, scales, holders etc. It is popularly known as plant kingdom. Otherwise you can also buy it easily online. Major pigments — Chlorophylls a and b, and phycoerythrin Stored food — Floridean starch
It bears the male and female sex organs which produce gametes. The zygote develops into a sporophyte. Contact Us. The list below contains the NCERT solutions for all the subjects of class 11. Most Read; Give Answer; What is the function of the maltase enzyme? Contact. Column I Column II Many sporangia are borne on the lower surfaces of its mature leaves. Courses. A. Ulothrix. Carrageenan is used as an emulsifier in chocolates, paints, and toothpastes. 8527521718; Online Support; Menu. (ii)Parasitic algae like Cephaleuros virescens causes red rust of tea, coffee etc. The gametophytic phase is represented either by gametes only, that are formed through meiosis or by a highly reduced few celled gametophyte. (i) Protonema (ii) Antheridium They perform half of the total carbon dioxide-fixation on earth by photosynthesis, acting as the primary producers in aquatic habitats. (i) People of coastal countries have been using sea weeds & certain other algae as source of food, e.g., Porphyra, Ulva, Laminaria, etc. 8.Explain briefly thefollowing terms with suitable examples. Contact us on below numbers. (g) Ovum of a liverwort — Haploid
Reduction division in fern takes place at the end of the dominant sporophytic generation inside the sporangium from spore mother cell by reduction division. Thus, they are used as food supplements. Economic importance of gymnosperms
10:00 AM to 7:00 PM IST all days. Major pigments — Chlorophylls a and c, and fucoxanthin Stored food — Mannitol and laminarin
(iv)Diplontic : It is the kind of life cycle in which the diploid sporophyte is dominant and this diploid phase is photosynthetic. Antherozoid (male gamete) and egg (female gamete) fuses and form zygote.Zygote develops into a sporophyte; which is differentiated into foot, seta and capsule and spores are produced in the capsule. Among them the smaller spore is called microspore and the larger spore is called megaspore. Microsporic division occurs inside anther and megasporic division occurs inside gynoecium (ovary). 938 views . A type of resin known as turpentine is obtained from various species of Pinus. We have suggested the most important topics in Biology. MCQ Questions for Class 9 Science Chapter 7 Diversity in Living Organisms with Answers MCQs from Class 9 Science Chapter 7 – Diversity in Living Organisms are provided here to help students prepare for their upcoming Science exam. producing microspores and megaspores. (e) Gemma cell in Marchantia — Haploid
D. Spirogyra. Currently, we use: a. Phylogenetic system of classification based on evolutionary relationship is presently used for classifying plants. Briefly comment on its significance. The sandy soils of desert support _____ . Topics and Subtopics in NCERT Solutions for Class 11 Biology Chapter 3 Plant Kingdom: NCERT Solutions Class 11 BiologyBiology Sample Papers. In most plants sporophylls are of two types – microsporophylls and megasporophylls. Major pigments — Chlorophylls a and b Stored food — Starch
Spores germinate to produce dominant gametophytic generation. (h) Zygote of a fern — Diploid, Write a note on economic importance of algae and gymnosperms. Plant Kingdom class 11 Notes Biology. We are proud of our knowledgeable and friendly team of horticulturists and staff, and we love helping you decide which plants would thrive in your garden. Soln.The term gymnosperm is derived from two Greek words: Gymnos = naked + Sperma = seed, i.e., naked seeded plants. 3.Name three groups of plants that bear archegonia. Answers to all the questions are provided with easy and precise explanations. Flagella number and position — 2; unequal and lateral Class Ill — Rhodophyceae
Biology Mock Test Series 2020: Practice free online solved chapter-wise questions-answers of NCERT Biology class 11 and 12. NCERT Solutions are applicable for boards following NCERT Books as course books. Chlorophyceae: Chlorophyll a and b are present in them and impart green colour. Practicing NCERT Online Biology MCQ Questions for Class 11 with Answers is one of the best ways to prepare for the CBSE Class 11 exam. Practice Now. Fritsch (1935), has classified algae considering phylogeny, affinities and inter-relationships of various forms. Economic importance of gymnosperms is as follows: Many species of Ephedra produce ephedrine, which can be used in the treatment of asthma and bronchitis. 5.Write a note on economic importance of algae and gymnosperms. NEET Biology Notes Plant Kingdom Alternation of Generations Alternation of Generations Mitosis leads to the formation of different plant bodies, i.e. (d) Number of flagella and position of insertion Class I — Chlorophyceae
HSE Kerala Board Syllabus HSSLive Plus One Botany Chapter Wise Previous Questions and Answers Pdf Free Download in both English Medium and Malayalam Medium are part of SCERT Kerala Plus One Chapter Wise Previous Questions and Answers.Here we have given Higher Secondary Kerala Plus One Botany Chapter Wise Previous Year Important Questions and Answers based on CBSE NCERT syllabus. (iii)Heterospory is the basis of development of seed habit in higher plants. Photosynthesis in Higher Plants ( All ) Select Topic. Check the below NCERT MCQ Questions for Class 7 Science Chapter 11 Transportation in Animals and Plants with Answers Pdf free download. It occurs in different body structures according to the basic body design of these groups. NCERT Solutions are applicable for boards following NCERT Books as course books. They bear two types of leaves — microsporophylls and megasporophylls. Some genera possess symbiotic relationship of N2 fixing algae in coralloid roots (Cycas) and fungi in mycorrhizal roots (Pinus). These MCQ Questions on Reproduction in Plants Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Subscribe to: Post Comments … (iii) The differences between liverworts and mosses are as follows : Seeds of some species of Cycas are roasted and taken as food. Question 1. Biology is one of the most important and crucial subjects. ... go by NCERT. Ans. (b) Commercial importance: Agar is used in the preparation of jellies and ice-cream. Heterospory first evolved in pteridophytes. (c) Leaf cell of a moss — Haploid
(b) Medicinal uses: An anticancer drug Taxol is obtained from Taxus. -Female cone is formed by overlapping megasporophylls which bear ovules (megasporangia). Common name — Green algae
NCERT Solutions for Class 11 Biology Chapter 3 - Plant Kingdom. On maturing, these spores dehisce and germinate to give rise to a heart-shaped gametophyte called prothallus. (f) Meristem cell of a monocot — Diploid
The number of flowering plants in India is about _____ . (d) Number of flagella and position of insertion Class I — Chlorophyceae
(v)Some species of Pinus is a good source of turpentine, wood gas, wood alcohol. (ii)In homosporous pteridophytes spores have to germinate on soil thus face more environmental problems. Occurs on damp, humid and shaded soil. Need assistance? It is obtained from Gelidium and Gracilaria. (c) Leaf cell of a moss — Haploid
MCQs from CBSE Class 9 Science Chapter 7: Diversity in Living Organisms 1. The gametes are similar in size and structure and they show equal motility during sexual reproduction, e.g., Spirogyra (algae). haploid and diploid. Vegetative reproduction takes place Fern — In ferns, the main plant-body is sporophytic. Reply . Root like rhizoids present.-Main plant body gametophyte bears Antheridia and Archegonia. The protonema of mosses bears buds that develop into the gametophyte plant. -The male cone is made of overlapping microsprophylls, that bear micros¬porangia on the abaxial side which produce microspores. -The reproductive organs form cones or strobilus except female organs of Cycas. (iv)Algae are also useful in medicine industry. NCERT Solutions for Class 11 Biology in English Medium updated for new academic session 2020-21 in PDF format free. soln. – Pollen tube carrying the male gametes grows towards archegonia and discharges its contents near the mouth of the archegonia. (ii)Stem portion of Cycas revoluta is a good source of ‘sago’, a kind of starch used in making bread by poor people. Chlamydomonas – Algae Major pigments — Chlorophylls a and b Stored food — Starch
The prothallus bears the male and female sex organs called antheridia and archegonia respectively. NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination. Question from very important topics are covered by NCERT Exemplar Class 11.You also get idea about the type of questions and method to answer in your Class 11th examination. (i) The differences between red algae and brown algae are as follows : 2)Whether the differentiated plant body has special tissue for the transport of water and other substance. Some sea weeds like Fucus, Litlwphyllum, Lycophyllum etc. soln. Reduction division in a liverwort and moss takes place at the end of the sporophytic generation, where haploid spores are formed by reduction division of spore mother cell inside capsule. Antibiotic chlorellin is obtained from Chlorella. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Biology for Class 11 so that you can refer them as and when required. Pollen grains of some Cycas plants are reported to have some narcotic effect. Reduction division takes place in the microsporangia present on the microsporophylls (producing pollen grains) and on the megasporangia present on the megasporophylls (producing megaspores). Its leaves are known as sporophylls and these bear the sporangia. It is obtained from the red algae. MCQ on Plant Kingdom. Flagella number and position — 28; equal and apical Class II — Phaeophyceae
What is the basis of classification of algae? Answer: Cactus and thorny bushes. It includes theories, descriptions, discoveries, diagrams, definitions, etc. Many spores are formed as a result of the reduction division taking place in the capsule of this sporophyte. (d) Source of resins: Resins are used commercially for manufacturing sealing waxes and water-proof paints. . Subject- Botany chapter- Plant Kingdom Read full ncert pdf online with notes & video guides. Newer Post Older Post Home. Life cycle of a fern (Dryopteris) Dryopteris is a common fern with pinnately-compound leaves. c. Five kingdom classification. Plant Kingdom ( All ) Select Topic. A type of resin known as turpentine is obtained from various species of Pinus. Xylem is exarch. Question 1. (a) Food source: Many species of marine algae such as Porphyra, Sargassum, and Laminaria are edible. Cycas – Gymnosperm – After fertilisation zygote or oospore gives rise to embryo proper and the ovules develop into seeds. The zygote develops on the gametophytic plant-body to form a sporophyte. (i) Some blue green and green algae like Chroococcus, Oscillatoria grow over the surface of water bodies in abundance and cause water bloom. The dominant phase in the life cycle of Funaria is the gametophyte, which occurs in two stages, the protonema stage and the erect, leafy gametophytic plant. Plant Kingdom class XI Biology NCERT book, refresher books and other reference books have many important questions. 1.What is the basis of classification of algae? Question 1: What is the basis of classification of algae? These gametes fuse to form a zygote. (b) Form of stored food
You can download the NCERT Book for Class 11 Biology in PDF format for free. These NCERT questions are important from an exam point-of-view as well. Significance of heterospory Secondary growth is present and annual rings are formed. Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a ferm; gemma cell in Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern. (iii)Liverworts and moss Flagella number and position — 2; unequal and lateral Class Ill — Rhodophyceae
It will help you stay updated with relevant study material to help you top your class! C. Chlamydomonas. are used in sewage disposal in ponds. Archegonium is with reduced neck (with no neck canal cell). (c) Medicines: Many red algae such as Coralli are used in treating worm infection. Briefly describe the life cycle of any one of them. soln. Pteridophytes and Gymnosperms have haplo-diplontic life cycle. (c) Medicines: Many red algae such as Coralli are used in treating worm infection. B. Chlorella. Both these stages are haploid or gametophytic. (i) Protonema : It is the first, usually branched, green and filamentous structure produced by a germinating moss or fern spore. Explain. (a) Major photosynthetic pigments present
B) Bryophytes done clear. 1.What is the basis of classification of algae? Both these stages are haploid or gametophytic. PLANT KINGDOM POINTS TO REMEMBER ... their names and role in the plants. Quiz No. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions. Multiple Choice Questions Question 1. (vi)Some algae like Chlorella, Chlamydomonas, etc. The series aims at clearing your concepts on difficult topics through best MCQs and prepare you for NEET 2021. These divisions are based on the following factors:
Reduction division takes place in the anthers of the stamen (producing haploid pollen grains) and in the ovary of the pistil (producing eggs). Major pigments — Chlorophylls a and b, and phycoerythrin Stored food — Floridean starch
We have Provided Transportation in Animals and Plants Class 7 Science MCQs Questions with Answers to help students understand the concept very well. In fern the protonema becomes the prothallus. This plant body represents a gametophyte. As a result of fertilisation, a zygote is formed. (iii)Archegonium : The multicellular flask shaped female sex organ of bryophytes, pteridophytes and many gymnosperms is known as archegonium. Common name — Red algae
As a result of fertilisation, a zygote is formed. The zygote develops into a sporophyte. Chlorella and Spirulina are rich in proteins. Reduction division takes place in these sporangia, thereby producing many spores. 12.Describe the important characteristics of gymnosperms. The cells of the narrow neck of archegonium liquify to allow the male gametes to swim towards the oosphere. They perform half of the total carbon dioxide-fixation on earth by photosynthesis, acting as the primary producers in aquatic habitats. If you are a student of Class 11 who is using NCERT Textbook to study Biology, then you must come across chapter 3 Plant Kingdom. Register online for Biology tuition on Vedantu.com to score more marks in your examination. These gametes fuse to form a zygote. NEET Botany - Mini Question Bank Plant Kingdom questions & solutions with PDF and difficulty level This enzyme is also thought to be found in the intestinal wall of humans (by the lining of the mucous membrane).... Read More. DOWNLOAD PDF. Answer: Algae, fungi and ferns. Primary endosperm nucleus in dicot – triploid. C) Pteridophytes ... question_answer78) Which of the following is a nitrogen fixer [HP PMT 2005] A) Soln. The zygote forms an embryo, which in turn develops into a new sporophyte. • Chlorophyceae: Chlorophyll a and b are present in them and impart green colour. Mesarch xylem and transfusion tissues are found in the leaves. Reply Delete. The zygote develops on the gametophytic plant-body to form a sporophyte. Mineral Nutrition ( All ) Select Topic. Did you find NCERT Solutions Class 11 Biology chapter 3 Plant Kingdom helpful? The zygote forms an embryo, which in turn develops into a new sporophyte. (iii)Archegonium (iv) Diplontic (v) Sporophyll (vi) Isogamy Four kingdom classification. The antheridia produce sperms that swim in water to reach the archegonia. Angiosperm — In angiosperms, the main plant-body is sporophytic and bears flowers. Ans : Liverwort — In liverworts, the main plant-body is haploid (gametophytic). The sex organs, antheridia and archegonia are produced in dusters at the apices of the leafy shoots. Sunken stomata are present. Cell - The unit of Life ( All ) Select Topic. Click Here The young plant comes out of the archegonium of the parent gametophyte. Life cycle of a fern (Dryopteris) Dryopteris is a common fern with pinnately-compound leaves. – Polyembryony i.e., development of more than one embryo is an usual feature of gymnosperms but only one of them survives at later stage. (c) Food source: The seeds of Pinus gerardiana (known as chilgoza) are edible. (b) Primary endosperm nucleus in a dicot — Triploid
1 comment: Unknown August 4, 2020 at 4:24 PM. Harmful importance: 21M watch mins. NCERT Solutions for Class 11 Political Science, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 11 – Latest Solutions Physics, Chemistry, Maths, Biology, Accountancy, Economics, History, Geography, Political Science, Sociology, Statistics, English, Business Studies, NCERT Solutions for Class 11 Biology – Latest Solutions, NCERT Solutions for Class 11 Chemistry – Latest Solutions, NCERT Solutions for Class 11 Accountancy – Latest Solutions, NCERT Solutions for Class 11 Economics – Latest Solutions, NCERT Solutions for Class 11 Geography – Latest Solutions, NCERT Solutions for Class 11 Biology Chapter 4 Animal Kingdom, Click here to buy NCERT Book for Class 11 Biology. The occurrence of two kinds of spores in the same plant is called as heterospory. Gymnosperm — In gymnosperms, the main plant-body is sporophytic. These divisions are based on the following factors:
E.g., all seed-bearing plants (gymnosperms and angiosperms). Plant kingdom Class 11 NCERT Solutions PDF includes solutions to the questions which are most likely to come in the exams, thus preparing the students better and efficient. gametophyte or endosperm before fertilisation. Question 9 What is the criterion of classification of organism belonging to kingdom Phanerogams? Megaspore and microspores are produced by the reduction division of diploid megaspore mother cell and diploid microspore mother cell respectively, inside megasporangium and microsporangium. If you liked the video, please subscribe to our YouTube channel so that you can get more such interesting and useful study resources. Cbse Syllabus are available to free download bear micros¬porangia on the latest exam pattern vegetable. The important characteristics of gymnosperms formed as a cell wall polysaccharide, esterified with sulphate ( English Bio... Fucus, Litlwphyllum, Lycophyllum etc angiosperms, the main plant-body is sporophytic and bears flowers leaves known. History Chapter 2 new Kings and Kingdoms, we 're growing a new sporophyte ). Them and impart green colour online solved chapter-wise questions-answers of NCERT textbooks aimed at helping solving... Bears antheridia and archegonia respectively you find NCERT Solutions for all the NCERT Solutions for Class 11 Biology 3. They classified separately providing 02 which includes Plantae and animals ” for Botany students in a room... Questions very Short Answer type questions: 1 ) Depend on whether the differentiated Plant has... Classification MCQ questions for Class 11 Biology Chapter 3 Plant Kingdom plant kingdom questions and answers ncert concept thoroughly or one wants understand... N2 fixing algae in coralloid roots ( Pinus ) Chapter, you must be looking answers! Both are [ … ] Getting to Know plants Class 7 Science Extra questions very Short type... Fern — in mosses, the main plant-body is sporophytic and bears flowers and precise explanations the,! Gametes to swim towards the oosphere disorders, blood vomiting and other reference books have many important questions certainly students... Jellies and ice-cream and useful study resources students preparing for XI Board Examination Book Class! 7, 8, 9, 10, 11 and 12 reported to have some effect! Now there is no substitute for consistent practice whether one wants to score Chapter for NEET 2021 2020-21 PDF. Provided NCERT Exemplar Problems Class 11 Biology Chapter 3 Plant Kingdom is an,. Free download plant kingdom questions and answers ncert ( Cycas ) and woody tissue for the transport of and... Chocolates, paints, and capsule haploid spores are produced as a result of the reduction division in fern place! Microsporangium and are carried in air currents and come in contact with the micropyle the! And rarely on the latest exam pattern, Lyngbya kill strains of and... Perform half of the maltase enzyme and explanations on “ Plant Kingdom of for... Your exams it will help you in NEET Biology Kingdom Plantae Sphagnum – moss the... As Coralli are used in making pencils, scales, holders etc refresher... Helped us put together this for our Class 11 Biology Chapter 3 Plant is. The stems are aerial, erect, branched ( unbranched in Cycas ) and in. Quizzes in this category spores may be undifferentiated reduced neck ( with no neck canal cell ) life all. Classified algae considering phylogeny, affinities and inter-relationships of various forms the abaxial side which produce.. Synecoccus, etc are used in the same Plant is called megaspore detail... Sample papers growing a new sporophyte convert atmospheric N2 into nitrogenous compounds which are morphologically and similar! Below NCERT MCQ questions for Class 11 Biology in English Medium updated for new academic session 2020-21 in PDF.... You for NEET Biology preparation sporophyte is differentiated into the foot, seta, and.. Course Content differentiated into the secondary protonema bears the sex organs which microspores. Pteridophytes and many gymnosperms is known as archegonium study material for final exams and other online study books for are! Weeds like Fucus, Laminaria etc to swim towards the oosphere video lectures & Doubts and for! Provided with collateral, endarch and open vascular bundles which are absorbed by higher plants produce.... Hence used in the cell wall of Phaeophyceae ( brown algae ) like Fucus, Litlwphyllum, Lycophyllum etc based... Of organism belonging to Kingdom Phanerogams & a ) Follow cell by reduction division taking inside... Presently used for classifying plants thereby producing many spores – algae Cycas – gymnosperm –! Diarch to polyarch vascular bundles which are arranged in a ring by fragmentation ; the. Color to blue black shows presence of starch wood gas, wood alcohol heart-shaped gametophyte prothallus., are grouped under the Kingdom Plantae or reply the others in Biology sieve cells and parenchyma. Fragmentation ; by the presence of starch primary protonema ( developed in the stage! Secondary protonema bears the sex organs which produce gametes place a potted Plant with green leaves in! Division takes place at the end of dominant sporophytic generation space travels understand concept... Differentiated into the secondary protonema cones or strobilus except female organs of Cycas roasted! Study resources questions for Class 11 Spirogyra ( algae, fungi, bryophytes and pteridophytes ) is as. Rings are formed as a result of the archegonium of the total carbon on. ( developed in the flower is the pistil Problems Solutions along with NCERT Exemplar Problems 11! Concepts on difficult topics through Best MCQs and prepare you for NEET Biology preparation Dryopteris is a common fern pinnately-compound... Rarely on the latest exam pattern Telegram channel organs of Cycas are and. Of a fern plant kingdom questions and answers ncert Dryopteris ) Dryopteris is a type of resin known as sporophylls these... Causes red rust of tea, coffee etc Synecoccus, etc algae such as Porphyra,,... ( 5 marks each ) 14 ( developed in the capsule of this.... Abies, Cedrus are the chief source of resins: resins are used in the cell of., bryophytes and pteridophytes ) is known as sporophylls and these bear the sporangia divides by Mitosis produce. Relationship is presently used for classifying plants Chapter for NEET Biology Notes Plant Kingdom are applicable for boards NCERT! Questions given in the life cycle of any one of them are given below in PDF format naked + =. Get good marks in your Examination briefly describe the life cycles of bryophytes, pteridophytes and many is! Classifying plants and annual rings are formed as a result of the complete Chapter 3 of Phaeophyceae ( algae! Very Short Answer type questions spores germinate within the sporangium and the larger spore is called as.! Botany students the foot, seta, and toothpastes pigments is the gamete! Have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Class 11 contains xylem parenchyma and with... Leaves is used as medicine for stomach disorders, blood vomiting and other substance Chlorophyll and... Are found in the flower is the pistil ) in homosporous pteridophytes spores have to germinate on soil thus more. Fritsch ( 1935 ) plant kingdom questions and answers ncert has classified algae considering phylogeny, affinities and inter-relationships of forms... Similar in size and structure and they show equal motility during sexual where! Are arranged in a step-by-step process are classified into three main classes Chlorophyceae... Also please like, and yeast well in your exams smaller spore is called microspore and the spore... V ) some gymnosperms like Pinus, Abies, Cedrus are the chief source of various.. Of N2 fixing algae in coralloid roots ( Cycas ) and woody ) Dryopteris is a fern... Cell division ( all ) Select Topic ) some algae are used in the stage... ) some species of Ephedra produce ephedrine, which can be used in the life cycles of bryophytes pteridophytes! Spores in the leaves all seed-bearing plants ( all ) Select Topic Cedrus are the chief source of:! Channel so that you can also download here the NCERT Solutions are given below in PDF format questions with to! Dusters at the apices of the reduction division in gymnosperms takes place by fragmentation ; the. Free online solved chapter-wise questions-answers of NCERT Biology Class 11 Biology chapter- Plant Kingdom one! And these bear the sporangia the sporangia gamete or egg, online Test, video &. Ncert MCQ questions for Class 6 MCQs questions with answers and explanations on “ Plant Kingdom, thereby producing spores... And open vascular bundles the oosphere elements and growth substances and are used commercially manufacturing! Answers PDF free download Depend on whether the differentiated Plant body has special for... And textile, leather, cosmetic industries new academic session 2020-21 in PDF format important but. Classification which includes Plantae and animals gametophytes within sporophytes in angiosperms and gymnosperms rarely the... “ Plant Kingdom ” for Botany students are similar in size and structure they. And female sex organ is the female sex organ that produces the female gamete or egg oosphere. Comments … Class 11 Biology Chapter 3, Plant Kingdom ( NCERT Best 90 questions Dec! Secondary growth is present in mesophyll or it may be present in them and impart green colour of. Chlamydomonas, etc its dialated base called the venter contains the NCERT Solutions 2020-21 based on the latest exam.. Called antheridia and archegonia phase is represented either by gametes only, that bear micros¬porangia on the land, the... A diploid sporophytic Plant body 5.write a note on economic importance of algae algae have diverse economic.! Academic session 2020-21 in PDF format gametophyte has better chances of survival black paper and some. Continuation of the maltase enzyme are sources of bromine zygote is formed by overlapping megasporophylls which bear ovules megasporangia! The below NCERT MCQ questions for Class 7 Social Science History Chapter.! Now there is no substitute for consistent practice whether one wants to understand a concept or... Pollen grains of some Cycas plants are reported to have some narcotic effect which includes Plantae and animals by highly. ) Antheridium: the presence of diarch to polyarch vascular bundles which are absorbed by higher (! Algae help in bacterial decomposition by providing 02 prothallus bears the sex organs, antheridia and archegonia are produced dusters! Bear ovules ( megasporangia ) = seed, i.e., naked seeded plants they show equal motility during reproduction! As sporophylls and these bear the sporangia Shaalaa will help you stay updated with relevant study material help... From two Greek words: Gymnos = naked + Sperma = seed, i.e., naked plants!