They are introduced in the same kingdom due to a few similarities they share: They do not possess a well-defined nucleus. NCERT Class 11 Biology Notes PDF Having said that, during class 12, Biology is an essential subject as well as a difficult one with many problems diagrams and many concepts. Question No : 1 Bacteria are found to be primitive organisms because they. Full explained Notes are here. Which one is the wrong pairing for the disease and its causal organism? Three kingdom classification. Q.1 What is diatomaceous earth? Biological classification is the process of grouping living organisms. NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination.Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11. Why then is the simpler common name not used instead of the complex scientific/botanical name in biology? Akinetes- These are thick-walled spore-like structures with abundant food reserves. Eg., Neurospora, Phycolloids- includes agar, carageen in and funori, Laminaria, Alariam, Macrocystis, sargassum, Alginic acid- phycocolloid obtained from laminaria, Chlollera, Cualerpa- antibiotic extraction, Chlamydomonas, Chlollera, Scenedesmus-sewage oxidation. This system of classification failed to classify all the known organisms. They may be formed either singly or by the division of protoplast to form several aplanospores. However, in the absence of light, they behave as heterotrophs. These rings are the fruiting bodies of the fungus and are known as ‘fairy ring’. The insectivorous plants trap the insects and digest them by the proteolytic enzymes secreted by the epidermis of the leaves. If you want to score high in the NEET Exam, then this session will help you to get more marks. A.11.Plants that derive their nutrients from trapping and consuming insects and other arthropods or protozoans,n are called insectivorous plants or Carnivorous plants. Biological Classification. Q.4. Class 11 Biology Important Questions. Q.2. Based on their shapes, bacterias are classified into 5 groups: Based on the composition of their cell wall, bacterias are classified into 2 groups: Based on their mode of respiration or their oxygen demand, bacterias are classified into 2 groups: Based on the mode of nutrition, bacteria are classified into 2 groups: For more information on any other biological concepts, keep exploring BYJU’S website. Biological Classification MCQ Questions /objective with answers Class 11 Biology Chapter 2. A.12. The chemosynthetic bacteria are autotrophic or heterotrophic? Zoospores- Motile, naked spores with two, four or many flagella. Diatoms are also called as ‘pearls of ocean’, why? They are also known as conidia or gonidia. It is made up of silica. Answer and Explanation: ADVERTISEMENTS: 1. Q.11. NCERT books and answers, study material for final exams and other online study books for revision are available to free download. A.4. This system of classification is more scientific, accurate and natural. Enlist the various algae and fungi that have commercial values in medicines, food, and chemicals. What are the advantages of five kingdom classification? 1 Class 11 Biology Important Questions. These are formed to survive under unfavourable conditions. Q.9. , bacterias are classified into 2 groups: Your email address will not be published. They are obligate parasites and attack specific hosts. A.2. The nutrients in the centre get exhausted and grow in diameter thereby forming a circle. Carnivorous plants. The cell wall of diatoms forms two thin overlapping cells. b. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. c. Five kingdom classification. Download MCQs for NEET Biology Biological Classification, Get MCQs for Biological Classification Biology for important topics for all chapters based on 2021 syllabus and pattern. Spiral shaped bacteria also called the spirilla. Aplanospores- These spores are non-motile. This improves the crop yield. Robert Whittaker proposed the five-kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. Aristotle’s classification- Aristotle was the earliest to attempt a more scientific basis for classification of organisms.- He classified plants to trees, shrubs & herbs and animals into 2 groups- those with red blood & without red blood.Linnaeus’s Two-kingdom classification- Linnaeus (1758) classified organisms into Two Kingdoms- Kingdom Plantae & Kingdom … The mycelium of the mushroom absorbs nutrients from the soil. They possess a small light-sensitive eyespot. Q.12.Name a few plants that are partially heterotrophic. … The nutrients present in the polluted water bodies enhance the growth of algal plants such as Nostoc and Oscillatoria. Animals were classified on the basis of presence or absence of red blood cells. Detailed Solutions are provided for all the CBSE Class 11 Biology MCQs Multiple Choice Questions with Answers and you can use them to get an idea on the fundamentals. Why is Neurospora an important genetic tool? Question No : 3 Bacteria were regarded to be plants because, Question No : 4 A fungus contains cells with two nuclei from different genomes. What is the nature of the cell wall in diatoms? They are known as the connecting-link between plants and animals because they possess features common to both plants and animals. The solutions are provided by our experts, keeping in mind the students’ understanding level. Their body is made up of siliceous shell known as a frustule. NCERT Class 11 Biology Books in English PDF Download. Download latest questions with answers for Biology Biological Classification in pdf free or … It is used in the production of ethyl alcohol, tar, ammonia, etc. Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. The advantages of the five-kingdom classification are: Q.7.How many types of bacteria are there? Robert Whittaker proposed the five-kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. For eg., Mucor, Absidia, etc. Plants which depend on other plants and animals for their nutrition are known as parasitic plants. Q.4. Why then is the simpler common name not used instead of the complex scientific/botanical name in biology? Biogas is produced by methanogens from animal dung. Corkscrew-shaped bacteria also called the spirochaetes. What features of Trypanosoma make it fall under the kingdom Protista? A.3. Comma shaped bacteria also called the vibrios. That is why cyanobacteria are used in agricultural fields. Q.2. What is the difference between a virus and a viroid? NCERT Solutions Class 11 Biology Chapter 2 Biological Classification. All living organisms are classified into different categories or. Q.3.Give an example of insectivorous plants. Also Access Class 11 Biology Sample papers, Your email address will not be published. The accumulation of large deposits of diatoms that forms a covering of silica extending over several 100m for billions of years. CBSE Class 11 Biology Worksheets PDF. He classified plants as herbs, shrubs, and trees. Q.6. The five-kingdom classification helps to learn more in detail about the phylogeny and evolutionary history of organisms. A.9. A.6. Acidic bogs are the best examples of insectivorous plants. Neurospora can be grown easily under laboratory conditions by providing organic salts, carbohydrates and vitamin. A.2. For eg., Chlamydomonas possess biflagellate zoospores, Ulothrix possess quadriflagellate zoospores and Oedogonium possess multiflagellate zoospores. Class 11 NCERT Biology Books are created by the best professors who are experts in Biology and have good knowledge in the subject. NCERT Solutions are applicable for all boards like Gujrat, UP, MP, CBSE, etc. Also read: Crop Improvement. The best app for CBSE students now provides Biological Classification class 11 Notes Biology latest chapter wise notes for quick preparation of CBSE exams and school based annual examinations. The common name of pea is simpler than its botanical (scientific) name Pisum sativum. Tetraspores- Tetraspores are produced by diploid plants of some algae. Design in accordance with the latest CBSE syllabus as well as examination pattern, this books aid students in getting good marks in the exam. Asexual reproduction in algae involves the formation of several kinds of spores. 57 Questions with Answers and Explanations on Biological Classification for Biology Students. Q.9. Eg., Microspora. Practice the multiple choice questions to test understanding of important topics in the chapters. A virus contains DNA or RNA as the genetic material and a protein coat whereas the viroids do not have a protein coat but RNA as genetic material. Download CBSE Important Questions for CBSE Class 11 Biology … 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 … A.2. Biological Classification Kingdoms PDF Free Download Notes . All questions and answers from the NCERT Book of Class 11 Science Biology Chapter 2 are provided here for you for free. (1) late blight of potato-Alternaria solani (2) Black rust of wheat-Puccinia graminis (3) Loose smut of wheat-Ustilago nuda (4) Root-knot of vegetables-Meloidogyne sp. There are around 4,000 identified species of parasitic plants. Fungi are used in alcohol and yeast preparation due to their fermentation property. A.7. A.6. Discuss the salient features of viruses with the help of diagram. 1. Answer: The classification systems have undergone several changes with time. All the CBSE Worksheets for Class 11 Biology provided in this page are provided for free which can be downloaded by students, teachers as well as by parents. Bacteria are found in pairs, chains or clusters and also some species exits as single cells. The Biological Classification exercise solutions will help you to answer the exercise questions with ease. The role of fungi in our daily life are as follows: Few fungi such as Agaricus compestris are highly rich in nutrients and are used as food. Give an account of the asexual reproduction by spores in algae. Diatoms are the main producers in the ocean. What similarities do a virus and non-living objects share? They can be crystallized and precipitated. This fungus belongs to, Question No : 5 Ustilago causes plant diseases (called smuts) because, Question No : 6 In some viruses, RNA is present instead of DNA indicating that, Question No : 7 When a moist bread is kept exposed in air, it becomes mouldy and black because, Competitive Exam India | Copyright @2017-2018 | About Us | Contact Us, Hosting partner DigitalOcean - Click here to get $10 joining bonus, DigitalOcean - Click here to get $10 joining bonus. Cuscuta and Cassytha are examples of parasitic plants. Download as PDF 1. Q.10. They are formed near the end of the mother cell. Here you will find Chapter Wise NCERT MCQ Questions for Class 11 Biology with Answers PDF Free Download based on the important concepts and topics given in the textbook. NCERT Solutions for Class 11 Biology in English Medium updated for new academic session 2020-21 in PDF format free. Some fungi possess the soil binding capacity and make the soil good for cultivation. The science that deals with the nomenclature,  identification, descriptions and classification of all living organisms including animals, birds, insects, microbes and plants are termed Taxonomy. Q.3. We have provided Biological Classification Class 11 Biology MCQs Questions with Answers to help students understand … Eg., Rhizobium. These Class 11 Biology MCQ Objective Questions with Solutions PDF cover all topics involved in the latest CBSE Class 11 Biology Syllabus. What do you understand by ‘phycobiont’ and ‘mycobiont’? What is the role of fungi our daily lives? Eg., Dermocarpa. Trypanosoma falls under the kingdom Protista due to the following reasons: The nucleus is centrally located and the nucleus contains an endosome. Bacteria are found to be primitive organisms because they. This page provides students with additional important questions to practice to test their knowledge. This plant gets accumulated over a period of time and gets hardened thereby converting into peat. The eukaryotic kingdoms in the five-kingdom classification are: Q.7. Download CBSE Class 11 Biology VBQs Biological Classification pdf, Value Based Questions and answers for Biology value points as per CBSE NCERT syllabus, Biological ClassificationQuestions: Q.7. CBSE Biology Chapter 2 Biological Classification class 11 Notes Biology in PDF are available for free download in myCBSEguide mobile app. Ointments, toothpaste, creams, cosmetics, etc. These are a special type of haploid aplanospores formed within tetrasporangium. Eg., Peziza, It is a flask-shaped structure. They can grow and multiply when inside the host. Thus, studying all these will require some extra effort and students have to keep revising and practising to fully master the topic. A.7. A.5. Why are diatoms referred to as ‘pearls of the ocean’? 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. 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